TW201630605A - 經取代之二氫吡唑酮類及其用途 - Google Patents
經取代之二氫吡唑酮類及其用途 Download PDFInfo
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Classifications
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Abstract
本申請係關於新穎的經取代二氫吡唑酮衍生物、其製備方法、其於治療及/或預防疾病之用途以及其用於製備供治療及/或預防疾病(特別是心血管疾病和血液疾病以及腎臟疾病)和供促進傷口癒合之醫藥品之用途。
Description
本申請係關於新穎的經取代二氫吡唑酮衍生物、其製備方法、其於治療及/或預防疾病之用途以及其用於製備供治療及/或預防疾病(特別是心血管疾病和血液疾病以及腎臟疾病)和供促進傷口癒合之醫藥品之用途。
人體或其組成之氧供應缺乏,因為其持續及/或其限度,而損傷組織體或其組成之正常的功能運作,或造成功能運作完全破壞稱為缺氧(hypoxia)。缺氧可因吸入之空氣中可利用的氧減少(例如於高海拔期間)、外部呼吸病症(例如肺功能運作受到妨礙或呼吸道阻塞所造成)、心輸出量減少(例如心功能不全、帶有肺栓塞之急性右心室超負荷)、血液氧運送能力太低(例如貧血或中毒,如一氧化碳中毒所造成)、局部受限於血流量降低而造成血管閉塞(典型地例如心缺血、下肢或腦缺血、糖尿病大血管及微血管病變)或亦因組織需氧量增加而造成[Eder,Gedigk(ed.),Allgemeine Pathologie and pathologische Anatomie,33rd ed.,Springer Verlag,Berlin,1990]。
人體對急性或慢性地適應氧供應量減少之情況有一限定程度之能力。除了立即的反應外,其包括(尤其是)增加心輸出量及呼吸
輸出量及藉由植物性-神經控制機制之局部血管擴張,缺氧帶來了許多基因轉錄上之改變。此處基因產物之功能係用來補償氧氣缺乏。因此,數種糖解酵素之表現及葡萄糖轉運子I增加,而使得無氧性ATP產生增加並可能得以在氧缺乏下存活[Schmidt,Thews(ed.),Physiologie des Menschen,27th ed.,Springer Verlag,Berlin,1997;Löffler,Petrides(ed.),Biochemie and Pathobiochemie,7th ed.,Springer Verlag,Berlin,2003]。
再者缺氧導致血管表皮細胞生長因子VEGF之表現增加,因而刺激了缺氧組織中之血管再生(血管新生作用)。流經缺血組織之血液因此長期得以改善。在各種心血管疾病及血管阻塞疾病之情形下,此反調節作用顯然非常不適當。[參見:Simons and Ware,Therapeutic angiogenesis in cardiovascular disease,Nat.Rev.Drug.Discov.2(11),863-71(2003)]。
再者,就全身性缺血之情形,在腎的間質纖維母細胞中優先形成之胜肽赫爾蒙紅血球生成素(erythropoietin)表現增加。藉此刺激骨髓中紅血球之形成,而血液之氧運送能力因而增加。此效應已被表現優秀之運動員用於所謂的高原訓練(high altitude training)中。血液之氧運送能力降低,例如大量出血後所導致的貧血,通常造成了腎臟中紅血球生成素產生增加。就某些貧血之形式,此調節機制可能被擾亂或其正常值可能會往下降。因此,例如在患有腎功能不全之病患中,紅血球生成素的確係在腎薄壁細胞中產生,但對於血液之氧運送能力則量明顯地下降,其造成了所謂的腎貧血。腎貧血,特別是亦由腫瘤或HIV感染所造成之貧血,習知係以非經腸投予重組的人類紅血球生成素(rhEPO)來治療。對此
昂貴的治療,目前仍無可供口服的醫藥品之替代療法存在。[參見:Eckardt,The potential of erythropoietin and related strategies to stimulate erythropoiesis,Curr.Opin.Investig.Drugs2(8),1081-5(2001);Berns,Should the target hemoglobin for patients with chronic kidney disease treated with erythropoietic replacement therapy be changed?,Semin.Dial.18(1),22-9(2005)]。最近的研究證實,除了紅血球生成增加作用外,紅血球生成素對缺氧組織亦具有保護(抗凋亡)作用,特別是對各自獨立的心及腦。再者,根據最近的研究,以紅血球生成素治療降低了心功能不全患者平均罹病之嚴重度[參見:Caiola及Cheng,Use of erythropoietin in heart failure management,Ann.Pharmacother.38(12),2145-9(2004);Katz,Mechanisms and treatment of anemia in chronic heart failure,Congest.Heart.Fail.10(5),243-7(2004)]。
由缺氧所引起之上述基因具有共同的特性為,在缺氧下基因表現增加係由所謂的缺氧誘導因子(HIF)所造成。HIF為一種異二聚體轉錄因子,其包含一α及一β亞單位。有三種HIF α同質體描述,其中HIF-1 α及HIF-2 α具高度同源性且對缺氧誘發基因表現很重要。β亞單位(其2種同質物已有描述),亦稱為ARNT(芳基烴受體核轉位子),係以組成性表現,然而α亞單位之表現則依細胞中氧含量而定。在正常氧量下,HIF α蛋白會多-泛素化,然後蛋白酶體性地降解。在缺氧下,此降解受到抑制,使得HIF α與ARNT二聚化並可活化其目標基因。於其目標基因之調控序列中,HIF二聚體在此與所謂的缺氧反應元件(HRE)結合。功能性的HRE已在許多缺氧誘發基因之調控元件中偵測出(請參見:
Semenza,Hypoxia-inducible factor 1:oxygen homeostasis and disease pathophysiology,Trends Mol.Med.7(8),345-50(2001);Wenger and Gassmann,Oxygen(es)and the hypoxiainducible factor-1,Biol.Chem.378(7),609-16(1997)]。
作為此HIF α調節基礎之分子機制經由數個獨立的研究團隊之努力已確立出。該機制係從各種物種中保存下來:HIF α係藉由一種稱為PHD或EGLN之氧依賴脯胺醯基4-羥化酶亞類,在二個特定的脯胺醯基上來羥基化(人類HIF-1 α亞單位之P402及P564)。該HIF脯胺醯基4-羥化酶為鐵依賴之2-酮戊二酸轉化二氧化酶[Epstein等人,C.elegans EGL-9 and mammalian homologs define a family of dioxygenases that regulate HIF by prolyl hydroxylation, Cell 107(1),43-54(2001);Bruick and McKnight,A conserved family of prolyl-4-hydroxylases that modify HIF,Science 294(5545),1337-40(2001);Ivan等人,Biochemical purification and pharmacological inhibition of a mammalian prolyl hydroxylase acting on hypoxia-inducible factor,Proc.Natl.Acad.Sci.U.S.A.99(21),13459-64(2002)]。該等酵素係於2001年首次作為脯胺醯基羥化酶[Aravind及Koonin,The DNA-repair protein AIkB,EGL-9,and leprecan define new families of 2-oxoglutarate- and iron-dependent dioxygenases,Genome Biol.2(3),research0007.1-0007.8,Epub 2001 Feb 19]。
pVHL腫瘤抑制蛋白,與延長因子(elongin)B及C共同形成所謂的VBC複合物,其能使HIF α亞單位適應E3泛素連接酶,與脯胺醯基羥化HIF α亞單位結合。因為HIF α亞單位之脯胺醯基4-羥化作用及其隨後的降解的發生係作為細胞內濃縮氧氣之功
能,所以HIF脯胺醯基4-羥化酶亦稱為細胞氧氣之感應器。這些酵素之三種同質物已辨識出:EGLNI/PHD2、EGLN2/PHD1及EGLN3/PHD3。其中二種酵素(EGLN2/PHD1及EGLN3/PHD3)即使在缺氧下亦能轉錄誘發出且可能主導著在慢性缺氧下所觀察到的HIF α量之降低。[參見:Schofield及Ratcliffe,Oxygen sensing by HIF hydroxylases,Nat.Rev.Mol.Cell.Biol.5(5),343-54(2004)]。
HIF脯胺醯基4-羥化酶之選擇性藥理抑制作用使得HIF-依賴的目標基因之基因表現增加,且因而有利於許多疾病症狀之治療。就心血管系統疾病之情況,特而言之,改善此等疾病之方向,係希望引發新血管及改變缺血器官從有氧性至無氧性ATP產生之代謝狀況。改善慢性創傷之血管化,促進癒合的過程,特別是難治療的下肢潰瘍及其他慢性皮膚創傷之情況。在某些疾病形式中(特別是腎貧血之病患)引發內生性紅血球生成素,同樣為吾人鎖定之治療目標。
迄今,在科學文獻中所描述的HIF脯胺醯基4-羥化酶抑制劑無法符合此等需求而得到醫藥品。這些競爭性的酮戊二酸類似物(例如N-草醯基甘胺酸),其特徵為作用效力非常低,因此在活體模型中,於誘發HIF目標基因上仍然無顯示作用。或彼等為鐵複合劑(螯合劑),例如去鐵胺(desferroxamine),其係作為含鐵二氧化酶之非專一抑制劑,且雖然其在活體中可誘發目標基因,例如紅血球生成素,但明顯地因可用的鐵複合了而妨害了紅血球生成。
本發明之目標係提供可用於治療疾病,特別是心血管及血液疾病之新穎的化合物。
在本發明內文中,化合物目前係描述用來作為HIF脯胺醯基
4-羥化酶之專一抑制劑並以此專一作用機制為基礎,於於活體中非經腸及口服給藥後,誘發HIF目標基因(例如紅血球生成素)及此生物學上的過程,藉此導致例如紅血球生成。
具有殺細菌及/或殺真菌作用之2-雜芳基-4-芳基-1,2-二氫吡唑酮係揭示於EP 165 448及EP 212 281中。2-雜芳基-4-芳基-1,2-二氫吡唑酮作為脂氧化酶抑制劑供治療呼吸道、心血管及發炎疾病之用途,係申請於EP 183 159中。具有殺細菌活性之2,4-聯苯-1,2-二氫吡唑酮係描述於DE 2 651 008中。特定2-吡啶基-1,2-二氫吡唑酮之製備及藥理特性係記載於Helv.Chim.Acta 49(1),272-280(1966)中。WO 96/12706、WO 00/51989及WO 03/074550申請具有二氫吡唑酮部分結構之化合物,而用於治療各種疾病,以及用於治療神經精神疾病之經羥基-和烷氧基取代之二吡唑係揭示於WO 2006/101903中。再者,用於治療疼痛及各種CNS疾病之經雜芳基取代之吡唑衍生物係描述於WO 03/051833及WO 2004/089303中。其間WO 2006/114213揭示了2,4-二吡啶基-1,2-二氫吡唑酮作為HIF脯胺醯基4-羥化酶之抑制劑。
化合物3-甲基-1-(吡啶-2-基)-4-(1-吡啶-2-基-3-甲基-1H-吡唑-5-基)-2H-3-吡唑啉-5(1H)-酮(其他名稱:5,5'-二甲基-2,2'-二-吡啶-2-基-1',2'-二氫-2H,3'H-3,4'-二吡唑-3'-酮)之x-光晶體結構係記載於Acta Crystallogr.,Section E:Structure Reports Online E57(11),o1126-o1127(2001)[Chem.Abstr.2001:796190]中。特定的3',5-二甲基-2-苯基-1'-(1,3-噻唑-2-基)-1'H,2H-3,4'-二吡唑-5'-醇衍生物之合成係描述於Indian J.Heterocyclic Chem.3(1),5-8(1993)[Chem.Abstr.1994:323362]中。個別的4-(吡唑-5-基)-吡唑啉-5-酮衍生物之製備及
互變異構現象係記載於J.Heterocyclic Chem.27(4),865-870(1990)[Chem.Abstr.1991:428557]中。迄今,對於這些出版刊物中所提及之化合物之治療用途仍無描述。化合物2-第三-丁基-1'-[4-(4-氯苯基)-1,3-噻唑-2-基]-3',5-二甲基-1'H,2H-3,4'-二吡唑-5'-醇在WO 2007/008541中係列為試驗化合物。
本發明係提供通式(I)之化合物:
其中R1 代表下式之雜芳基基團
其中* 係指與二氫吡唑酮環之連結點,A 在每次個別發生時係指C-R4或N,其中最多二個環成員A同時代表N,及E 係指O、S或N-R5,R2 代表下式之雜芳基基團
其中# 係指與二氫吡唑酮環之連結點,G 在每次個別發生時係指C-R6或N,其中最多二個環成員G同時代表N,J 係指O、S或N-R7及L 在每次個別發生時係指C-R8或N,其中最多二個環成員L同時代表N,其中R4、R6及R8為相同或不同且在各個別的情形下係各自獨立地代表氫或由下列組成之群中選出之取代基:鹵素、氰基、硝基、(C1-C6)-烷基、(C3-C7)-環烷基、4-至10-員雜環烷基、苯基、5-或6-員雜芳基、-C(=O)-R9、-C(=O)-OR10、-C(=O)-NR11R12、-O-C(=O)-R13、-O-C(=O)-NR14R15、-NR16-C(=O)-R17、
-NR18-C(=O)-OR19、-NR20-C(=O)-NR21R22、-NR23-SO2-R24、-SO2-R25、-SO2-NR26R27、-OR28、-SR29及-NR30R31,其中(i)(C1-C6)-烷基本身可以相同或不同的方式經由下列組成之群中選出之基取代一至三次:鹵素、氰基、酮基、(C3-C7)-環烷基、4-至10-員雜環烷基、苯基、5-或6-員雜芳基、-C(=O)-R9、-C(=O)-OR10、-C(=O)-NR11R12、-O-C(=O)-R13、-O-C(=O)-NR14R15、-NR16-C(=O)-R17、-NR18-C(=O)-OR19、-NR20-C(=O)-NR21R22、-NR23-SO2-R24、-SO2-R25、-SO2-NR26R27、-OR28、-SR29及-NR30R31,其中於上文所提及之環烷基、雜環烷基、苯基及雜芳基本身各可以相同或不同方式經下列各基取代至高三次:鹵素、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,(ii)(C3-C7)-環烷基、4-至10-員雜環烷基、苯基及5-或6-員雜芳基本身各可以相同或不同的方式經由下列組成之群中選出之基取代一至三次:(C1-C6)-烷基、鹵素、氰基、酮基、-C(=O)-R9、-C(=O)-OR10、-C(=O)-NR11R12、
-O-C(=O)-R13、-O-C(=O)-NR14R15、-NR16-C(=O)-R17、-NR18-C(=O)-OR19、-NR20-C(=O)-NR21R22、-NR23-SO2-R24、-SO2-R25、-SO2-NR26R27、-OR28、-SR29及-NR30R31,其中於上文所提及之烷基可本身以相同或不同方式經下列各基取代至高三次:鹵素、氰基、羥基、三氟甲氧基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基、(C1-C4)-烷氧基羰基、(C3-C7)-環烷基、4-至7-員雜環烷基、苯基及/或5-或6-員雜芳基,(iii)R9、R10、R11、R13、R14、R17、R19、R21、R24、R25、R26、R28、R29及R30每次個別發生係各自獨立地代表由下列組成之群中選出之基:氫、(C1-C6)-烷基、(C3-C7)-環烷基、4-至10-員雜環烷基、苯基及5-或6-員雜芳基、其中(C3-C7)-環烷基、4-至10-員雜環烷基、苯基及5-或6-員雜芳基本身各可以相同或不同方式經下列各基取代至高三次:鹵素、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、經基羰基及/或(C1-C4)-烷氧基-羰基,及(C1-C6)-烷基可以相同或不同方式經下列各基
取代一至三次:鹵素、氰基、羥基、三氟甲氧基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基、(C1-C4)-烷氧基羰基、(C3-C7)-環烷基、4-至7-員雜環烷基、苯基及/或5-或6-員雜芳基,(iv)R12、R15、R16、R18、R20、R22、R23、R27及R31每次個別發生係各自獨立地代表由下列組成之群中選出之基:氫及(C1-C6)-烷基,其中(C1-C6)-烷基可以相同或不同方式經下列各基取代一至三次:鹵素、氰基、羥基、三氟甲氧基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及/或其中(v)R11和R12、R14和R15、R16和R17、R18及R19、R20和R21、R21和R22、R23和R24、R26和R27以及R30和R31於各配對的情況下,可與其相鍵結之原子共同形成一5-或6-員雜環烷基環,其可以相同或不同方式經下列各基取代一至三次:鹵素、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰及/或(C1-C4)-烷氧基羰基,及R5及R7為相同或不同且各自獨立地代表氫或由下列組
成之群中選出之取代基:(C1-C6)-烷基、(C3-C7)-環烷基、4-至7-員雜環烷基、苯基及5-或6-員雜芳基,其中(i)(C1-C6)-烷基本身可以相同或不同方式經由下列組成之群中選出之基取代一至三次:鹵素、氰基、酮基、(C3-C7)-環烷基、4-至7-員雜環烷基、苯基、5-或6-員雜芳基、-C(=O)-R9、-C(=O)-OR10、-C(=O)-NR11R12、-O-C(=O)-R13、-O-C(=O)-NR14R15、-NR16-C(=O)-R17、-NR18-C(=O)-OR19、-NR20-C(=O)-NR21R22、-NR23-SO2-R24、-SO2-R25、-SO2-NR26R27、OR28、-SR29及-NR30R31,其中於上文所提及之環烷基、雜環烷基、苯基及雜芳基本身各可以相同或不同方式經下列各基取代至高三次:鹵素、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及(ii)(C3-C7)-環烷基、4-至7-員雜環烷基、苯基及5-或6-員雜芳基本身各可以相同或不同方式經由下列組成之群中選出之基取代一至三次:(C1-C6)-烷基、鹵素、氰基、酮基、-C(=O)-R9、-C(=O)-OR10、-C(=O)-NR11R12、
-O-C(=O)-R13、-O-C(=O)-NR14R15、-NR16-C(=O)-R17、-NR18-C(=O)-OR19、-NR20-C(=O)-NR21R22、-NR23-SO2-R24、-SO2-R25、-SO2-NR24R27、OR28、SR29及-NR30R31,其中於上文所提及之烷基本身可以相同或不同方式經下列各基取代至高三次:鹵素、氰基、羥基、三氟甲氧基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基、(C1-C4)-烷氧基羰基、(C3-C7)-環烷基、4-至7-員雜環烷基、苯基及/或5-或6-員雜芳基,其中(a)R9、R10、R11、R13、R14、R17、R19、R21、R24、R25、R26、R28、R29及R30每次個別發生係各自獨立地代表由下列組成之群中選出之基:氫、(C1-C6)-烷基、(C3-C7)-環烷基、4-至7-員雜環烷基、苯基及5-或6-員雜芳基,其中(C3-C7)-環烷基、4-至7-員雜環烷基、苯基及5-或6-員雜芳基本身各可以相同或不同方式經下列各基取代至高三次:鹵素、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基-羰基,及
(C1-C6)-烷基可以相同或不同方式經下列各基取代一至三次:鹵素、氰基、羥基、三氟甲氧基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基、(C1-C4)-烷氧基羰基、(C3-C7)-環烷基、4-至7-員雜環烷基、苯基及/或5-或6-員雜芳基,(b)R12、R15、R16、R18、R20、R22、R23、R27及R31每次個別發生係各自獨立地代表由下列組成之群中選出之基:氫及(C1-C6)-烷基,其中(C1-C6)-烷基可以相同或不同方式經下列各基取代一至三次:鹵素、氰基、羥基、三氟甲氧基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰及/或(C1-C4)-烷氧基羰基,及/或(c)R11和R12、R14和R15、R16和R17、R18及R19、R20和R21、R21和R22、R23和R24、R26和R27以及R30和R31於各配對的情況下,可與其相鍵結之原子共同形成一5-或6-員雜環烷基環,其可以相同或不同方式經下列各基取代一至三次:鹵素、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及R3 代表氫、(C1-C6)-烷基或(C3-C7)-環烷基及其鹽類、溶劑化物和
鹽類之溶劑化物,但下列化合物除外,3-甲基-1-(吡啶-2-基)-4-(1-吡啶-2-基-3-甲基-1H-吡唑-5-基)-2H-3-吡唑啉-5(1H)-酮,3',5-二甲基-2-苯基-1'-(4-苯基-1,3-噻唑-2-基)-1'H,2H-3,4'-二吡唑-5'-醇,3',5-二甲基-2-苯基-1'-(4-噻吩-2-基-1,3-噻唑-2-基)-1'H,2H-3,4'-二吡唑-5'-醇,3',5-二甲基-1'-(4-甲基-1,3-噻唑-2-基)-2-苯基-1'H,2H-3,4'-二吡唑-5'-醇,2-(4-氯苯基)-3',5-二甲基-1'-(4-苯基-1,3-噻唑-2-基)-1'H,2H-3,4'-二吡唑-5'-醇及2-第三-丁基-1'-[4-(4-氯苯基)-1,3-噻唑-2-基]-3',5-二甲基-1'H,2H-3,4'-二吡唑-5'-醇。
本發明化合物為式(I)化合物及其鹽類、溶劑化物和鹽類之溶劑化物、包含於下列所提的化學式之式(I)中之化合物及其鹽類、溶劑化物和鹽類之溶劑化物,以及包含於式(I)及下列所提及作為具體實例之化合物及其鹽類、溶劑化物和鹽類之溶劑化物,其中包含於式(I)中及下列所提及的化合物係尚未為鹽類、溶劑化物和鹽類之溶劑化物。
本發明化合物,依照其結構,可以立體異構物之形式存在(鏡像異構物、非對映異構物)。因此本發明係包含鏡像異構物、非對映異構物及其特定之混合物。立體異構上純的成份可以已知之方法由此等鏡像異構物及/或非對映異構物之混合物中分離出。
當本發明化合物可以互化異構形式存在時,本發明係包含所有的互變異構形式。
在本發明內文中較佳之鹽類為本發明化合物之生理上可接受鹽類。亦包括本身不適合醫藥用途但可用於,例如分離或純化本發明化合物之鹽類。
本發明化合物之生理上可接受鹽類包括無機酸、羧酸及磺酸之酸加成鹽,例如鹽酸、氫溴酸、硫酸、磷酸、甲磺酸、乙磺酸、甲苯磺酸、苯磺酸、萘磺酸、乙酸、三氟乙酸、丙酸、乳酸、酒石酸、蘋果酸、檸檬酸、延胡索酸、馬來酸及苯甲酸之鹽類。
本發明化合物之生理上可接受鹽類亦包括習用鹼之鹽類,例如(實例及較佳地)鹼金屬鹽類(例如鈉及鉀鹽)、鹼土金屬鹽類(例如鈣及鎂鹽)和衍生自氨或具有1至16個C原子之有機胺之銨鹽,例如(實例及較佳地)乙胺、二乙胺、三乙胺、乙基二異丙基胺、單乙醇胺、二乙醇胺、三乙醇胺、二環己基胺、二甲基胺基乙醇、普魯卡因(procaine)、二苯甲基胺、N-甲基嗎啉、精胺酸、離胺酸、乙二胺及N-甲基哌啶。
本發明內文中之溶劑化物係描述為經由與溶劑分子配位形成一固態或液態複合物之本發明化合物形式。水合物為一特定形式之溶劑化物,其中係與水發生配位。在本發明內文中,水合物為較佳的溶劑化物。
此外,本發明亦包括本發明化合物之前藥。術語「前藥」係包括其本身可能具生物活性或不具生物活性,但在其停留於體內期間可轉化(例如代謝或水解)為本發明化合物之化合物。
在本發明內文中,除非另有說明,否則取代基係具有下列意
義:(C 1 -C 6 )-烷基及(C 1 -C 4 )-烷基在本發明內文中係分別代表具有1至6個、1至4個碳原子之直鏈或支鏈烷基。具有1至4個碳原子之直鏈或支鏈烷基為較佳。可提及之實例及較佳地有:甲基、乙基、正丙基、異丙基、正丁基、異丁基、第二丁基、第三丁基、1-乙基丙基、正戊基及正己基。
(C 1 -C 6 -烷氧基及(C 1 -C 4 )-烷氧基在本發明內文中係分別代表具有1至6個及1至4個碳原子之直鏈或支鏈烷氧基。具有1至4個碳原子之直鏈或支鏈烷氧基為較佳。可提及之實例及較佳地有:甲氧基、乙氧基、正丙氧基、異丙氧基、正丁氧基、第三丁氧基、正戊氧基及正己氧基。
單-(C 1 -C 4 )-烷基胺基及單-(C 1 -C 4 )-烷基胺基在本發明內文中係代表一胺基基團其帶有分別含1至6個及1至4個碳原子之直鏈或支鏈烷基取代基。具有1至4個碳原子之直鏈或支鏈單烷基胺基為較佳。可提及之實例及較佳地有:甲基胺基、乙基胺基、正丙基胺基、異丙基胺基、正丁基胺基、第三丁基胺基、正戊基胺基及正己基胺基。
二-(C 1 -C 4 )-烷基胺基及二-(C 1 -C 4 )-烷基胺基在本發明內文中係代表一胺基基團其帶有二個分別各含1至6個及1至4個碳原子之相同或不同的直鏈或支鏈烷基取代基。各情況下具有1至4個碳原子之直鏈或支鏈二烷基胺基為較佳。可提及之實例及較佳地有:N,N-二甲基胺基、N,N-二乙基胺基、N-乙基-N-甲基胺基、N-甲基-N-正丙基胺基、N-異丙基-N-正丙基胺基、N,N-二異丙基胺基、N-正丁基-N-甲基胺基、N-第三丁基-N-甲基胺基、N-甲基-N-
正戊基胺基及N-正己基-N-甲基胺基。
(C 1 -C 6 )-烷氧基羰基及(C 1 -C 4 )-烷氧基羰基在本發明內文中係代表分別具有1至6個及1至4個碳原子,經由一羰基連結之直鏈或支鏈烷氧基。在烷氧基基團中具有1至4個碳原子之直鏈或支鏈烷氧基羰基為較佳。可提及之實例及較佳地有:甲氧基羰基、乙氧基羰基、正丙氧基羰基、異丙氧基羰基及第三丁氧羰基。
(C 3 -C 7 )-環烷基及(C 3 -C 6 )-環烷基在本發明內文中係代表分別具有3至7個或3至6個環碳原子之單環飽和碳環基。可提及之實例及較佳地有:環丙基、環丁基、環戊基、環己基及環庚基。
4至10-員雜環烷基在本發明內文中係代表一單環或視需要雙環、飽和,或含有一個雙鍵及具有4至10個環原子之雜環基,其含有一或二個來自N、O及S組成之群之雜原子且係經由一環碳原子或(視需要)一環氮原子相連接。可提及之實例有:氮呾基、氧雜環丁基、硫雜環丁基、吡咯啶基、吡咯啉基、吡唑啶基、二氫吡唑基、四氫呋喃基、四氫噻吩基、1,3-唑啶基、1,3-噻唑啶基、哌啶基、四氫吡啶基、哌基、四氫哌喃基、二氫哌喃基、四氫硫哌喃基、1,3-二噁烷基、1,4-二噁烷基、嗎啉基、噻嗎啉基、六氫氮呯基、六氫-1,4-二氮呯基、八氫吖辛基、八氫吡咯并[3,4-b]吡咯基、八氫異吲哚基、八氫吡咯并[3,4-b]吡啶基、六氫吡咯并[3,4-c]吡啶基、八氫吡咯并[1,2-a]吡基、十氫異喹啉基、八氫吡啶并[1,2-a]吡基、7-氮雜雙環[2.2.1]庚烷基、3-氮雜雙環[3.2.0]庚烷基、3-氮雜雙環[3.2.1]辛烷基及8-氧雜-氮雜雙環[3.2.0]辛烷基。在本發明內文中,具有總計4至7個環原子之單環、飽和4-至7-員雜環烷基,其含有一或二個來自N、O及/或S組成之群之
雜原子且係經由一環碳原子或(視需要)一環氮原子相連接者為較佳。可提及之實例有:氮呾基、氧雜環丁基、硫雜環丁基、吡咯啶基、吡唑啶基、四氫呋喃基、四氫噻吩基、1,3-唑啶基、哌啶基、哌基、四氫哌喃基、四氫硫哌喃基、1,3-二噁烷基、1,4-二噁烷基、嗎啉基、噻嗎啉基、六氫氮呯基及六氫-1,4-二氮呯基。具有總計4至6個環原子之4-至6-員雜環烷基,其含有一或二個來自N及/或O組成之群之雜原子,例如吡咯啶基、四氫呋喃基、哌啶基、哌基、四氫哌喃基及嗎啉基為特佳的。
5或6-員雜芳基在本發明內文中係代表具有總計分別5或6個環原子之芳香雜環基(雜芳香系),其含有至高四個來自N、O及S組成之群之相同或不同的環雜原子且係經由一環碳原子或視需要經由一環氮原子相連接。可提及之實例有:呋喃基、吡咯基、噻吩基、吡唑基、咪唑基、噻唑基、唑基、異唑基、異噻唑基、三唑基、二唑基、噻二唑基、四唑基、吡啶基、嘧啶基、嗒基、吡基及三基。5-或6-員雜芳基,其具有至高三個來自N、O及S組成之群之環雜原子者,例如呋喃基、噻吩基、噻唑基、唑基、異噻唑基、異唑基、吡唑基、咪唑基、三唑基、二唑基、噻二唑基、吡啶基、嘧啶基、嗒基及吡基為較佳的。
鹵素在本發明內文中包括氟、氯、溴及碘。氟、及溴為較佳的,而氟及氯為特佳的。
若本發明化合物中之基團為經取代時,除非另有說明,否則該等基團可經單或多取代。在本發明內文中,所有出現數次之基團,其定義係為各自獨立的。經一、二或三個相同或不同的取代
基取代為較佳的。經一或二個相同或不同的取代基取代為特佳的。
本發明內文中較佳的式(I)化合物為該等其中R1 代表下式之雜芳基基團
其中* 係指與二氫吡唑酮環之連結點,A 在每次個別發生時係指C-R4或N,其中最多二個環成員A同時代表N,其中R4 在每次個別發生時係各自獨立地代表氫或由下列組成之群中選出之取代基:氟、氯、溴、氰基、硝基、(C1-C6)-烷基、羥基、(C1-C6)-烷氧基、三氟甲氧基、胺基、單-(C1-C6)-烷基胺、二-(C1-C6)-烷基胺基、羥基羰基及(C1-C6)-烷氧基羰基,其中所提及之(C1-C6)-烷基本身可以相同或不同方式經下列各基取代至高三次:氟、氯、溴、氰基、羥基、三氟甲氧基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及E 係指O、S或N-R5,其中R5 代表氫或(C1-C6)-烷基,R2 代表下式之雜芳基基團
其中# 係指與二氫吡唑酮環之連結點,G 在各情況下係指C-R6或N,其中二個環成員G中不超過一個係代表N,其中R6 在各個別情況係各自獨立地代表氫或由下列組成之群中選出之取代基:氟、氯、溴、氰基、(C1-C6)-烷基、(C3-C6)-環烷基、4-至6-員雜環烷基、苯基、5-或6-員雜芳基、-C(=O)-OR10、-C(=O)-NR11R12、-O-C(=O)-R13、-O-C(=O)-NR14R15、-NR16-C(=O)R17、-NR18-C(=O)-OR19、-NR20-C(=O)-NR21R22、-NR23-SO2-R24、-OR28及-NR30R31,其中(i)(C1-C6)-烷基本身可以相同或不同方式經由下列組成之群中選出之基取代一至三次:氟、氯、溴、氰基、(C3-C6)-環烷基、4-至6-員雜環烷基、苯基、5-或6-員雜芳基、-C(=O)-OR10、-C(=O)-NR11R12、-O-C(=O)-R13、-O-C(=O)-NR14R15、-NR16-C(=O)R17、-NR18-C(=O)-OR19、-NR20-C(=O)-NR21R22、-NR23-SO2-R24、-OR28及-NR30R31,其中於上文所提及之環烷基、雜環烷基、苯基及雜芳基本身各可以相同或不同方式經下
列各基取代至高二次:氟、氯、溴、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基-羰基,(ii)(C3-C6)-環烷基、4-至6-員雜環烷基、苯基及5-或6-員雜芳基本身各可以相同或不同方式經下列各基取代一或二次:氟、氯、溴、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,(iii)R10、R11、R13、R14、R17、R19、R21、R24、R28及R30在每次個別發生係各自獨立地代表由下列組成之群中選出之基:氫、(C1-C6)-烷基、(C3-C6)-環烷基、4-至6-員雜-環烷基、苯基及5-或6-員雜芳基,其中(C3-C6)-環烷基、4-至6-員雜環烷基、苯基及5-或6-員雜芳基本身各可以相同或不同方式經下列各基取代至高三次:氟、氯、溴、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及
(C1-C6)-烷基可以相同或不同方式經下列各基取代一至三次:氟、氯、溴、氰基、羥基、三氟甲氧基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基、(C1-C4)-烷氧基羰基、(C3-C6)-環烷基、4-至6-員雜環烷基、苯基及/或5-或6-員雜芳基,(iv)R12、R15、R16、R18、R20、R22、R23及R31每次個別發生係各自獨立地代表由下列組成之群中選出之基:氫及(C1-C6)-烷基,其中(C1-C6)-烷基可以相同或不同方式經下列各基取代一或二次:氟、氯、溴、氰基、羥基、三氟甲氧基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及/或其中(v)R11和R12、R14和R15、R16和R17、R18及R19、R20和R21、R21和R22、R23和R24以及R30和R31於各配對的情況下,可與其相鍵結之原子共同形成一5-或6-員雜環烷基環,其可以相同或不同方式經下列各基取代一或二次:氟、氯、溴、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及
J 係指O或S,及R3 代表氫或甲基,以及其鹽類、溶劑化物和鹽類之溶劑化物。
本發明內文中較佳的式(I)化合物為該等其中R1 代表下式之雜芳基基團
其中* 係指與二氫吡唑酮環之連結點,A 在每次個別發生時係指C-R4或N,其中最多其中一個環成員A係代表N,其中R4 在每次個別發生係各自獨立地代表氫或由下列組成之群中選出之取代基:氟、氯、溴、氰基、硝基、(C1-C6)-烷基、羥基、(C1-C6)-烷氧基、三氟甲氧基、胺基、單-(C1-C6)-烷基胺、二-(C1-C6)-烷基胺基、羥基羰基及(C1-C6)-烷氧基羰基,其中所提之(C1-C6)-烷基本身可以相同或不同方式經下列各基取代至高三次:氟、羥基、三氟甲氧基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及E 係指O或S
R2 係指下式之雜芳基基團
其中# 係指與二氫吡唑酮環之連結點,G 在各情況下係指C-R6或N,其中二個環成員G中不超過一個係代表N,其中R6 在各個別情況係各自獨立地代表氫或由下列組成之群中選出之取代基:氟、氯、溴、氰基、硝基、(C1-C6)-烷基、(C3-C6)-環烷基、4-至6-員雜環烷基、苯基、5-或6-員雜芳基、-C(=O)-OR10、-C(=O)-NR11R12、-NR16-C(=O)R17、-NR18-C(=O)-OR19、-OR28及-NR30R31,其中(i)(C1-C6)-烷基本身可以相同或不同方式經由下列組成之群中選出之基取代一至三次:氟、(C3-C6)-環烷基、4-至6-員雜環烷基、5-或6-員雜芳基、-C(=O)-OR10、-C(=O)-NR11R12、-NR16-C(=O)R17、-NR18-C(=O)-OR19、-OR28及-NR30R31,其中於上文所提及之環烷基、雜環烷基及雜芳基本身各可以相同或不同方式經下列各基取代至高二次:氟、氯、溴、氰基、(C1-C4)-
烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基-羰基,(ii)(C3-C6)-環烷基、4-至6-員雜環烷基、苯基及5-或6-員雜芳基本身可以相同或不同方式經下列各基取代一或二次:氟、氯、溴、氰基、(C1-C6)-烷基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基-羰基,其中(C1-C6)-烷基本身可以相同或不同方式經下列各基取代至高三次:氟、羥基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基、(C1-C4)-烷氧基羰基、(C3-C6)-環烷基、4-至6-員雜環烷基、苯基及/或5-或6-員雜芳基,(iii)R10、R11、R17、R19、R28及R30在每次個別發生係各自獨立地代表由下列組成之群中選出之基:氫、(C1-C6)-烷基、(C3-C6)-環烷基、4-至6-員雜-環烷基,其中(C3-C6)-環烷基、4-至6-員雜環烷基本身每次可以相同或不同方式經下列各基取代至高三次:氟、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-
烷氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及(C1-C6)-烷基可以相同或不同方式經下列各基取代一至三次:氟、羥基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基、(C1-C4)-烷氧基羰基、(C3-C6)-環烷基、4-至6-員雜環烷基、苯基及/或5-或6-員雜芳基,(iv)R12、R16、R18及R31每次個別發生係各自獨立地代表由下列組成之群中選出之基:氫及(C1-C6)-烷基,其中(C1-C6)-烷基可以相同或不同方式經下列各基取代一或二次:氟、羥基、(C1-C4)-烷氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及/或其中(v)R11和R12、R16和R17、R18及R19以及R30和R31於各配對的情況下,可與其相鍵結之原子共同形成一5-或6-員雜環烷基環,其可以相同或不同方式經下列各基取代一或二次:氟、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二
-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及J 係指O或S,及R3 代表氫,以及其鹽類、溶劑化物和鹽類之溶劑化物。
本發明內文中特佳的式(I)化合物為該等其中R1 代表下式之雜芳基基團
其中* 係指與二氫吡唑酮環之連結點,及R4 係指氫、氟、氯、溴、氰基、(C1-C4)-烷基、三氟甲基、羥基甲基、(C1-C4)-烷氧基、三氟甲氧基、羥基羰基或(C1-C4)-烷氧基羰基,R2 代表下式之雜芳基基團
其中# 係指與二氫吡唑酮環之連結點,及R6、R6A及R6B為相同或不同並各自獨立地為氫或由下列組成之群中選出之取代基:氟、氯、溴、氰基、(C1-C6)-烷基、三氟甲基、羥基、(C1-C6)-烷氧基、三氟甲氧基、胺基、
單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基、(C1-C4)-烷氧基羰基、4-至6-員雜環烷基、苯基及5-或6-員雜芳基,其中(C1-C6)-烷基本身可經羥基、(C1-C4)-烷氧基或胺基取代,及4-至6-員雜環烷基、苯基及5-或6-員雜芳基本身各可以相同或不同方式經下列各基取代一或二次:氟、氯、溴、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、三氟甲氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及R3 代表氫,及其鹽類、溶劑化物和鹽類之溶劑化物。
本發明內文中特佳的式(I)化合物為該等其中R1 代表下式之雜芳基基團
其中* 係指與二氫吡唑酮環之連結點,R4 係指氫、氟、氯、溴、氰基、(C1-C4)-烷基、三氟甲基、羥基甲基、(C1-C4)-烷氧基、三氟甲氧基、羥基羰基或(C1-C4)-烷氧基羰基,R2 代表下式之雜芳基基團
其中# 係指與二氫吡唑酮環之連結點,及R6、R6A及R6B為相同或不同並各自獨立地為氫或由下列組成之群中選出之取代基:氟、氯、溴、氰基、(C1-C6)-烷基、三氟甲基、羥基、(C1-C6)-烷氧基、三氟甲氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基、(C1-C4)-烷氧基羰基及4-至6-員雜環烷基,其中(C1-C6)-烷基本身可經羥基、(C1-C4)-烷氧基或胺基取代,及4-至6-員雜環烷基本身可以相同或不同方式經下列各基取代一或二次:氟、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及R3 代表氫,及其鹽類、溶劑化物和鹽類之溶劑化物。
以特定組合或較佳基團組合詳述之基團定義,若需要亦可以其他組合之基團定義(與所給予之特定基團組合無關)來替代。
一或多個上述較佳範圍之組合為非常特佳。
本發明式(I)之1,2-二氫吡唑-3-酮衍生物亦可為互變異構型之1H-吡唑-5-醇形式(I')(參見下式1);此二種互變異構形式明確地係
包含於本發明中。
本發明亦提供製備本發明式(I)化合物之方法,其特徵為,將式(II)化合物
其中R1及R3具有上述之意義,及Z1 代表甲基或乙基,於惰性溶劑中,視需要在酸的存在下,與式(III)化合物反應
其中R2具有上述之意義,得到式(IV)化合物
其中Z1、R1、R2及R3具有上述之意義,其在這些反應條件下已經環化,或於隨後的反應步驟在鹼的影響下得到式(I)化合物,且該式(I)化合物係視需要以對應的(i)溶劑及/或(ii)鹼或酸轉變為彼等之溶劑化物、鹽類及/或鹽類之溶劑化物。
本發明之式(I)化合物,其中R3係為氫,亦可以下列方法來製備,其中係將式(V)化合物
其中Z1及R1具有上述之意義,先與式(VI)化合物物進行縮合反應,
其中Z2代表甲基或乙基,得到式(VII)化合物,
其中Z1及R1具有上述之意義,然後將其在酸的存在下與式(III)化合物反應,得到式(IV-A)化合物,
其中Z1、R1及R2具有上述之意義,其在這些反應條件下已經環化,或於隨後的反應步驟在鹼的影響下得到式(I)化合物(其中R3代表氫)。
另外的本發明化合物亦可藉由轉化個別取代基之功能基,特別是該等列於R1及R2下之功能基,由上述製程所得到之式(I)化合物開始來製備。這些轉化係以熟習本項技術者熟知之習用方法來進行,其包括,例如親核性或親電子取代、氧化、還原、氫化、過渡金屬催化偶合反應、烷化、醯化、胺化、酯化、酯裂解、醚化、醚裂解、形成醯胺、磺醯胺、胺酯及脲,以及導入或移除暫時的保護基團之反應。
適合製程步驟(II)+(III)→(IV)、(IV)→(I)、(VII)+(III)→(IV-A)及(IV-A)→(I)之惰性溶劑有,特別是醚類,例如乙醚、甲基第三丁基醚、1,2-二甲氧基乙烷、四氫呋喃及二噁烷,或醇類例如甲醇、乙醇、正丙醇、異丙醇、正丁醇及第三丁醇。使用甲醇、乙醇、四氫呋喃或這些溶劑之混合物為較佳地。
製程步驟(V)+(VI)→(VII)較佳地係以二甲基甲醯胺作為溶劑或亦可在過量的(VI)之存在下無另外的溶劑下進行。反應亦可視需要於微波照射下進行。該反應通常係在從+20℃至+150℃的溫度範圍中進行,較佳地於+80℃至120℃[亦參照J.P.Bazureau等人,Synthesis 1998,967;ibid.2001(4),581]。
製程步驟(II)+(III)→(IV)及(VII)+(III)→(IV-A)可視需要,有利地添加酸來進行。習知之無機或有機酸皆適用於此,例如鹽酸、乙酸、三氟乙酸、甲磺酸、對甲苯磺酸或樟腦-10-磺酸。使用乙酸,或特別是樟腦-10-磺酸或對甲苯磺酸為較佳地。
反應(II)+(III)→(IV)通常係在從0℃至+100℃的溫度範圍中進行,較佳地於+10℃至+50℃。反應(VII)+(III)→(IVA)通常係在從+20℃至+120℃的溫度範圍中進行,較佳地於+50℃至+100℃。
製程順序(II)+(III)→(IV)→(I)及(VII)+(III)→(IV-A)→(I)可在二階段反應製程中或以一鍋反應,無須分離各別的中間物階段(IV)或(IV-A)來進行。就後者條件變數,於微波照射下之組份反應為特別適合;此處之反應通常係在從+50℃至+200℃的溫度範圍中進行,較佳地於+100℃至+180℃。
在某些情況下,(I)之環化亦恰好分別於製備(IV)或(IV-A)期間已發生;然後環化可視需要就地以鹼處理反應混合物而完成。
習用的無機或有機鹼皆適合作為此分開的環化步驟(IV)→(I)或(IV-a)→(I)之鹼。這些包括,特別是,鹼金屬氧化物,例如氫氧化鈉或氫氧化鉀,鹼金屬或鹼土金屬碳酸鹽,例如碳酸鈉、碳酸鉀、碳酸鈣或碳酸銫,鹼金屬醇化物,例如甲醇鈉或甲醇鉀、乙醇鈉或乙醇鉀,或第三丁醇鈉或第三丁醇鉀,或鹼金屬氫化物,例如氫化鈉。較佳地係使用甲醇鈉或乙醇鈉。
鹼引發反應(IV)→(I)或(IV-A)→(I)通常係在從0℃至+60℃的溫度範圍中進行,較佳地於0℃至+30℃。
所有的製程步驟可在正常、升高或下降的壓力下進行(例如從0.5至5巴(bar))。一般,係使用正常壓力。
式(II)化合物可藉由文獻中羧酸酯C-醯化之習用方法,從式(V)化合物來製備。式(III)、(V)及(VI)可從市面上購得或由文獻中得知,或可以類似文獻中所述之方法來製備。
本發明化合物之製備可由下列反應方程式2來說明:
[a):DMF,16h,+100℃;b):乙醇,催化性樟腦-10-磺酸,78℃;c):NaOEt,乙醇,1h,RT]。
本發明化合物顯示了意料之外、珍貴的藥理作用範圍。因此適合用作治療及/或預防人類和動物疾病之醫藥品。
本發明化合物為卓越的HIF脯胺醯基4-羥化酶之專一抑制劑。
依照本發明化合物之藥理特性為基礎,其可用於治療及/或預防心血管疾病,特別是心功能不全、冠心病、心絞痛、心肌梗塞、中風、動脈硬化、原發性、肺動脈性及惡性高血壓以及周圍動脈硬化閉塞性疾病。
本發明化合物進一步適合治療及/或預防血液形成疾病,例如原發性貧血、腎貧血及伴隨腫瘤疾病之貧血(特別是化療引發之貧血)、感染(特別是HIV感染)或另外的發炎疾病,例如類風濕性關節
炎。本發明化合物再者適合支援治療血液流失所造成之貧血、鐵缺乏之貧血、維生素缺乏之貧血(維生素B12缺乏或葉酸缺乏所造成)、先天性發育不全及再生性貧血或溶血性貧血,或支援治療鐵利用病症所造成之貧血(鐵利用障礙性貧血)或其他內分泌病症所造成之貧血(例如甲狀腺低下)。
此外,化合物適合用於以取得血液供手術前血液捐贈為目標,增加血比容。
本發明化合物再者可用於治療及/或預防手術相關情況之缺血及手術治療後其連續症狀,特別是使用心肺機介入心臟中(例如繞道手術、心瓣膜植入)、頸動脈介入、主動脈介入及以儀器打開或穿過頭骨蓋介入受術。再者該等化合物適合用於一般治療及/或預防以加速傷口癒合及縮短恢復期時間為目標之外科干預。
化合物再者適合用於治療及預防急性和遲滯性腦缺血狀態(例如中風、新生兒窒息)。
此外化合物可用於治療及/或預防癌症和用於治療及/或預防治療癌症過程所發生之健康狀態減損,特別是以細胞抑制劑、抗生素及放射線治療後。
此外化合物適合用於治療及/或預防風濕類型之疾病和其他屬於自體免疫類疾病之疾病形式,且特別是用於治療及/或預防在此等疾病的藥物治療過程中所發生之健康狀態減損。
本發明化合物再者可用於治療及/或預防眼部疾病(例如氫光眼)、腦部疾病(例如帕金森氏症、阿茲海默症、失智症、慢性疼痛感覺)、慢性腎疾病、腎功能不全及急性腎衰竭之疾病,以及促進傷口癒合。
再者化合物適合用於治療及/或預防一般的身體虛弱上至惡病質(cachexia),特別是長期發生於較年長者。
此外化合物適合用於治療及/或預防性功能障礙。
再者化合物適合用於治療及/或預防糖尿病及其續發症狀,例如糖尿病性大血管及微血管病變、糖尿病腎病變及神經病變。
再者本發明化合物適合用於治療及/或預防纖維化疾病,例如心臟、肺及肝臟之纖維化疾病。
特而言之,本發明化合物亦適合用於預防及治療早產兒之視網膜病變(retinopathia prematurorum)。
本發明再者係提供本發明化合物於治療及/或預防疾病(特別是上述疾病)之用途。
本發明再者係提供本發明化合物於製備供治療及/或預防疾病(特別是上述疾病)之醫藥品之用途。
本發明再者係提供使用一有效量之至少一種本發明化合物,用於治療及/或預防疾病(特別是上述疾病)之方法。
本發明化合物可就本身單獨使用,或若需要與其他的活性化合物組合。本發明再者係提供包含至少一種本發明化合物及一或多種另外的活性化合物之醫藥品,特別是用於治療及/或預防上述之疾病。組合物中適合的活性化合物可提及之實例有:ACE抑制劑、血管收縮素II受體拮抗劑、β-受體阻斷劑、鈣拮抗劑、PDE抑制劑、礦物類皮質激素受體拮抗劑、利尿劑、阿斯匹靈、鐵補充劑、維生素B12及葉酸補充劑、他汀類(statin)、毛地黃(地高辛(digoxin))衍生物、腫瘤化療劑及抗生素。
在本發明一較佳的實施例中,本發明化合物係與ACE抑制劑
組合給藥,例如實例及較佳地有依拉普利(enalapril)、卡托普利(captopril)、利辛普利(lisinopril)、雷米普利(ramipril)、地拉普利(delapril)、福辛普利(fosinopril)、奎若普利(quinopril)、培哚普利(perindopril)或川哚普利(trandopril)。
在本發明一較佳的實施例中,本發明化合物係與收縮素AII拮抗劑組合給藥,例如實例及較佳地有氯沙坦(losartan)、坎地沙坦(candesartan)、纈沙坦(valsartan)、替米沙坦(telmisartan)或恩布沙坦(embusartan)。
在本發明一較佳的實施例中,本發明化合物係與β-受體阻斷劑組合給藥,例如實例及較佳地有普萘洛爾(propranolol)、阿替洛爾(atenolol)、噻嗎洛爾(timolol)、吲哚洛爾(pindolol)、阿普洛爾(alprenolol)、氧烯洛爾(oxprenolol)、噴佈洛爾(penbutolol)、布拉洛爾(bupranolol)、美替洛爾(metipranolol)、納多洛爾(nadolol)、甲吲洛爾(mepindolol)、卡拉洛爾(carazalol)、索他洛爾(sotalol)、美托洛爾(metoprolol)、倍他洛爾(betaxolol)、塞利洛爾(celiprolol)、比索洛爾(bisoprolol)、卡替洛爾(carteolol)、艾司洛爾(esmolol)、拉貝洛爾(labetalol)、卡維地洛(carvedilol)、阿達洛爾(adaprolol)、蘭地洛爾(landiolol)、奈必洛爾(nebivolol)、依泮洛爾(epanolol)或布新洛爾(bucindolol)。
在本發明一較佳的實施例中,本發明化合物係與鈣拮抗劑組合給藥,例如實例及較佳地有硝苯地平(nifedipine)、氨氯地平(amlodipine)、維拉帕米(verapamil)或地爾硫卓(diltiazem)。
在本發明一較佳的實施例中,本發明化合物係與磷酸二酯酶(PDE)抑制劑組合給藥,例如實例及較佳地有米力農(mirinone)、氨
吡酮(amrinone)、匹莫苯(pimobendan)、西洛他唑(cilostazol)、西地那非(sildenafil)、伐地那非(vardenafil)或他達那非(tadalafil)。
在本發明一較佳的實施例中,本發明化合物係與礦物類皮質激素受體拮抗劑組合給藥,例如實例及較佳地有螺內酯(spironolactone)、依普利酮(eplerenone)、坎利酮(canrenone)或坎利酸鉀(potassium canrenoate)。
在本發明一較佳的實施例中,本發明化合物係與利尿劑組合給藥,例如實例及較佳地有呋噻米(furosemide)、布美他尼(bumetanide)、托拉塞米(torsemide)、芐氟噻嗪(bendroflumethiazide)、氯噻嗪(chlorothiazide)、氫氯噻嗪(hydrochlorothiazide)、氫氟噻嗪(hydroflumethiazide)、甲氯噻嗪(methyclothiazide)、泊利噻嗪(polythiazide)、三氯噻嗪(trichloromethiazide)、氯噻酮(chlorothalidone)、吲達帕胺(indapimide)、美托拉宗(metolazone)、喹噻酮(quinethazone)、乙醯唑胺(acetazolamide)、二氯苯磺胺(dichlorophenamide)、醋甲唑胺(methazolamide)、甘油、異山梨醇(isosorbide)、甘露醇、阿米洛利(amiloride)或氨苯蝶啶(triamterene)。
在本發明一較佳的實施例中,本發明化合物係與他汀類之HMG-CoA還原酶抑制劑組合給藥,例如實例及較佳地有洛伐他汀(lovastatin)、辛伐他汀(simvastatin)、普伐他汀(pravastatin)、氟伐他汀(fluvastatin)、阿托伐他汀(atorvastatin)、羅蘇伐他汀(rosuvastatin)、西立伐他汀(cerivastatin)或匹伐他汀(pitavastatin)。
在本發明一較佳的實施例中,本發明化合物係與腫瘤化療劑組合給藥,例如實例及較佳地有鉑複合物組成之群,例如順鉑
(cisplatin)及卡鉑(carboplatin)、烷化劑例如環磷醯胺(cyclophosphamide)及苯丁酸氮芥(chlorambucil)、抗代謝物例如5-氟尿嘧啶(5-fluorouracil)及甲氨蝶呤(methotrexate)、拓撲異構酶(topoisomerase)抑制劑例如依托泊苷(etoposide)及喜樹鹼(camptothecin)、抗生素例如多柔比星(oxorubicin)及柔紅黴素(daunorubicin)或激酶抑制劑例如索拉非尼(orafenib)及舒尼替尼(sunitinib)。
在本發明一較佳的實施例中,本發明化合物係與抗生素組合給藥,實例及較佳地有盤尼西林(penicillins)、頭孢子菌素(cephalosporins)或奎諾酮類(quinolones)組成之群,例如環丙沙星(ciprofloxacin)及莫西沙星(moxifloxacin)。
本發明再者係提供包含至少一種本發明化合物與習用上一或多種惰性、無毒、醫藥上適合的輔助物質,並用於上述目的之醫藥品。
本發明化合物可作用於全身及/或局部。其可以適合此目的之方式來給藥,例如口服、非經腸、肺部、鼻內、舌下、舌中、頰內、直腸、皮膚、皮膚滲透、結膜內、光學或植入或支架給藥。
就這些給藥路徑,本發明化合物可以適合的給藥形式來投予。
適合口服投予的為根據先前技藝操作,快速及/或以經修飾方式釋放本發明化合物,並包含晶體及/或非晶化及/或溶解形式之本發明化合物之給藥形式,例如錠劑(未包膜或膜衣錠,例如對抗胃液或以延遲方式溶解,或為不溶性及控制本發明化合物釋放之膜衣),在口腔中快速溶解之錠劑或薄膜/薄片、薄膜/凍亁物、膠囊(例如硬式或軟式明膠膠囊)、糖衣錠、顆粒、丸劑、散劑、乳液、懸
浮液、氣霧劑或溶液。
非經腸給藥可以迂迴吸收步驟(例如靜脈內、動脈內、心肌內、脊髓內或腰髓內),或包含吸收(例如肌肉內、皮下、皮內、經皮或腹腔內)來進行。適合非經腸給藥之形式尤其是溶液、懸浮液、乳液、凍乾物或無菌散劑形式之注射或輸液調配物。
就其他給藥路徑,例如吸入之醫藥品形式(尤其是散劑吸入劑、氣霧劑)、鼻滴劑、溶液或噴霧、供舌中、舌下或頰內給藥之錠劑、薄膜/薄片或膠囊、栓劑、耳部及眼部製備物、陰部膠囊、水性懸浮液(乳液、震盪混合物)、親脂性懸浮液、軟膏、乳膏、透皮治療系統(例如貼布)、乳劑、糊劑、泡沫、灌注用散劑、植入物或支架皆為適合的。
口服或非經腸給藥為較佳的,特別是口服及靜脈給藥。
本發明化合物可轉變成上述之給藥形式。其可以本身已知之方法藉由與惰性、無毒、醫藥上適合的輔助物質混合來進行。這些輔助物質包括尤其是載劑物質(例如微晶纖維素、乳糖、甘露醇)、溶劑(例如液態聚乙二醇)、乳化劑及分散劑或濕潤劑(例如十二烷基硫酸鈉、油酸聚氧山梨醇酯)、結著劑(例如聚乙烯吡格酮)、合成及天然聚合物(例如白蛋白)、安定劑(例如抗氧化劑,如抗壞血酸)、色素(例如無機色素,如氧化鐵)及風味及/或氣味矯正劑。
一般而言,在非經腸給藥的情況下,已證明有利的係給予約0.001至1mg/kg體重之量,較佳地約0.01至0.5mg/kg體重,以達到效果。在口服給藥的情況下,劑量係從約0.01至100mg/kg體重,較佳得從約0.01至20mg/kg體重,及非常特佳地從0.1至10mg/kg體重。
除此之外,可能必需偏離上述之量,並特別依照體重、投藥路徑、對活性化合物之個體反應、調配物之性質及給藥進行之時間或間隔。因此,在某些情況下,給予低於上述之最小量可能就足夠,然而,在其他種情況下必須超過所提之上限。在投予相當大量的情況下,建議係將其分成數個個別劑量分散於一天中。
以下列具體實例說明本發明。本發明並不限於該等實例。
除非另有說明,否則下列試驗及實例中之百分比數據係為重量百分比;份數為以重量計之份數。溶劑比例、稀釋比例及液體/液體溶液之濃度數據在各案例中係與體積相關。
儀器:Micromass Platform LCZ帶有HPLC Agilent Series 1100;管柱:Thermo Hypersil GOLD 3μ,20mm x 4mm;溶離劑A:1L水+0.5ml 50%濃度甲酸,溶離劑B:1L乙腈+0.5ml 50%濃度甲酸;梯度:0.0min 100%A→0.2min 100%A→2.9min30%A→3.1min 10% A→5.5min 10% A;烘箱:50℃;流速:0.8ml/min;UV偵測:210nm。
裝置型態MS:Micromass ZQ;裝置型態HPLC:HP 1100 Series;UV DAD;管柱:Phenomenex Gemini 3μ 30mm x 3.00mm;溶離劑A:1l水+0.5ml 50%濃度甲酸,溶離劑B:1l乙腈+0.5ml 50%濃度甲酸;梯度:0.0min 90% A→2.5min 30% A-4 3.0min 5% A→4.5min 5% A;流速:0.0min 1ml/min→2.5min/3.0min/4.5min 2ml/min;烘箱:50℃;UV偵測:210nm。
儀器:Micromass Quattro LCZ帶有HPLC Agilent Series 1100;管柱:Phenomenex Synergi 2μ Hydro-RP Mercury 20mm x 4mm;溶離劑A:1l水+0.5ml 50%濃度甲酸,溶離劑B:1l乙腈+0.5ml 50%濃度甲酸;梯度:0.0min 90% A→2.5min 30% A→3.0min 5% A→4.5mm 5% A;流速:0.0min 1ml/min→2.5min/3.0min/4.5min 2ml/min;烘箱:50℃;UV偵測:208-400nm。
裝置型態MS:Micromass ZQ;裝置型態HPLC:Waters Alliance 2795;管柱:Phenomenex Synergi 2μ Hydro-RP Mercury 20mm x 4mm;溶離劑A:1l水+0.5ml 50%濃度甲酸,溶離劑B:1l乙腈+0.5ml 50%濃度甲酸;梯度:0.0min 90% A-+2.5min 30% A→3.0min 5% A→4.5min 5% A;流速:0.0min 1ml/min→2.5min/3.0min/4.5min 2ml/min;烘箱:50℃;UV偵測:210nm。
裝置型態MS:Micromass ZQ;裝置型態HPLC:HP 1100 Series;UV DAD;管柱:Phenomenex Synergi 2μ Hydro-RP Mercury 20mm x 4mm;溶離劑A:1l水+0.5ml 50%濃度甲酸,溶離劑B:1l乙腈+0.5ml 50%濃度甲酸;梯度:0.0min 90% A→2.5min 30% A→3.0min 5% A→4.5min 5% A;流速:0.0min 1ml/min→2.5min/3.0min/4.5min 2ml/min;烘箱:50℃;UV偵測:210nm。
裝置型態MS:Waters ZQ;裝置型態HPLC:Agilent 1100 Series;UV DAD;管柱:Thermo Hypersil GOLD 3μ 20mm x 4mm;溶離劑A:1l水+0.5ml 50%濃度甲酸,溶離劑B:1l乙腈+0.5ml 50%濃度甲酸;梯度:0.0min 100% A→3.0min 10% A→4.0min 10% A-* 4.1min 100% A;流速:2.5ml/min;烘箱:55℃;UV偵測:210nm。
裝置型態MS:Micromass ZQ;裝置型態HPLC:Waters Alliance 2795;管柱:Phenomenex Synergi 2.5μ MAX-RP 100A Mercury 20mm x 4mm;溶離劑A:1L水+0.5ml 50%濃度甲酸,溶離劑B:1L乙腈+0.5ml 50%濃度甲酸;梯度:0.0min 90% A→0.1min 90% A→3.0min 5% A→4.0min 5% A→4.01min 90% A;流速:2ml/min;烘箱:50℃;UV偵測:210nm.
儀器:Micromass Quattro Micro MS帶有HPLC Agilent Series 1100;管柱:Thermo Hypersil GOLD 3μ 20mm x 4mm;溶離劑A:1L水+0.5ml 50%濃度甲酸,溶離劑B:1L乙腈+0.5ml 50%濃度甲酸;梯度:0.0min 100% A→3.0min 10% A→4.0min 10% A→4.01min 100% A(流速2.5ml/min)→5.00min 100% A;烘箱:50℃;流速:2ml/min;UV偵測:210nm。
儀器:Micromass Quattro LCZ帶有HPLC Agilent Series 1100;管柱:Phenomenex Synergi 2.5μ MAX-RP 100A Mercury 20mm x 4mm;溶離劑A:1L水+0.5ml 50%濃度甲酸,溶離劑B:1L乙腈+0.5ml 50%濃度甲酸;梯度:0.0min 90% A→0.1min 90% A→3.0min 5% A→4.0min 5% A→4.1min 90% A;流速:2ml/min;烘箱:50℃;UV偵測:208-400nm。
儀器:Micromass QuattroPremier帶有Waters UPLC Acquity;管柱:Thermo Hypersil GOLD 1.9μ 50mm x 1mm;溶離劑A:1L水+0.5ml 50%濃度甲酸,溶離劑B:1L乙腈+0.5ml 50%濃度甲酸;梯度:0.0min 90% A→0.1min 90% A→1.5min 10% A→2.2min 10% A;流速:0.33ml/min;烘箱:50℃;UV偵測:210nm。
儀器:HP 1100 Series帶有DAD偵測;管柱:Kromasil 100 RP-18,60mm x 2.1mm,3.5μm;溶離劑A:5ml HClO4(70%濃度)/公升水,溶離劑B:乙腈;梯度:0min 2% B→0.5min 2% B→4.5min 90% B→6.5min 90% B→6.7min 2% B→7.5min 2% B;流速:0.75ml/min;管柱溫度:30℃;UV偵測:210nm。
管柱:Kromasil 100 C18 5μm,250mm x 20mm;溶離劑A:0.2%濃度三氟乙酸,溶離劑B:乙腈;梯度:0.0min 95% A→10min 5% A→15min 5% A→15.1min 95% A→20min 95% A;烘箱:30℃;流速:25ml/min;UV偵測:240nm。
儀器:Micromass Quattro LCZ帶有HPLC Agilent Series 1100;管柱:Phenomenex Onyx Monolithic C18,100mm x 3mm;溶離劑A:1L水+0.5ml 50%濃度甲酸,溶離劑B:1L乙腈+0.5ml 50%濃度甲酸;梯度:0.0min 90%A→2min 65% A→4.5min 5% A→6min 5% A;流速:2ml/min;烘箱:40℃;UV偵測:208-400nm。
儀器:Micromass GCT,GC6890;管柱:Restek RTX-35,15m x 200μm x 0.33μm;氦之恆流速:0.88ml/min;烘箱:70℃;入口:250℃;梯度:70℃,30℃/min→310℃(保持3min)。
管柱:Chromatorex C18 5μm,250mm x 20mm;溶離劑A:0.1%濃度二異丙基乙基胺水溶液,溶離劑B:乙腈;梯度:0.0min 60% A→4min 60% A;烘箱:30℃;流速:25ml/min;UV偵測:260nm。
儀器MS:Waters ZQ 2000;儀器HPLC:Agilent 1100,2-管柱迴路;自動取樣機:HTC PAL;管柱:YMC-ODS-AQ,50mm x 4.6mm,3.0μm;溶離劑A:水+0.1%甲酸,溶離劑B:乙腈+0.1%甲酸;梯度:0.0min 100% A→0.2min 95% A→1.8min 25% A→1.9min 10% A→2.0min 5% A→3.2min 5% A→3.21min 100% A→3.35min 100% A;烘箱:40℃;流速:3.0ml/min;UV偵測:210nm。
管柱:Kromasil 100 C18 5μm,250mm x 20mm;溶離劑A:0.1%濃度二異丙基乙基胺水溶液,溶離劑B:乙腈;梯度:0.0min 95% A→10min 65% A→10.1min 95% A→15min 95% A;烘箱:40℃;流速:25ml/min;UV偵測:210nm。
3.33g(30.0mmol)2-氟-4-甲基吡啶先導入40ml 2-乙氧基乙醇中,將14.6ml(15.0g,300mmol)肼水合物加到溶液中並將混合物於沸點(150℃槽溫度)攪拌16h。之後,將反應溶液於旋轉蒸發器上濃縮,將殘餘物加入100ml水並以乙酸乙酯萃取混合物(三次,每次100ml)。將組合的有機層以硫酸鈉乾燥,過濾並濃縮。將得到的殘餘物真空乾燥。
產率:1.90g(51%之理論值)
1H-NMR(400MHz,DMSO-d6):δ=7.83(d,1H),7.22(s,1H),6.51(s,1H),6.38(d,1H),4.04(s,2H),2.17(s,3H).
LC-MS(方法1):Rt=0.80min;MS(ESI+):m/z=124[M+H]+。
將3.05g(13.5mmol)5-(三氟甲基)-1,3,4-噻二唑-2-基乙酸乙酯[製備請參見DE 42 40 168-Al]置於6.9ml(40.5mmol)二甲基甲醯胺二乙縮醛中於100℃加熱至隔夜。冷卻後,將混合物濃縮並將殘餘物以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度)。
產率:2.8g(74%之理論值)
1H-NMR(400MHz,DMSO-d6):δ=8.28(s,1H),3.74(s,3H),3.32(s,6H)。
LC-MS(方法4):Rt=1.88min;MS(ESI+):m/z=282[M+H]+。
起始物之製備係類似2A由1.00g(6.45mmol)2-(1H-1,2,3-三唑-1-基)乙酸乙酯開始來進行。
產率:1.4g(100%之理論值)
1H-NMR(400MHz,DMSO-d6):δ=8.10(d,1H),7.78(d,1H),7.65(s,1H),4.03(q,2H),3.06(br.s,3H),2.10(br.s,3H),1.12(t,3H)。
LC-MS(方法5):Rt=1.40min;MS(ESI+):m/z=211[M+H]+。
將220.0g(1.5mol)(6-氯吡啶-3-基)甲醇[Evans等人,Organic Letters 2001, 19,3009-3012]先導入746ml(767.1g,15.3mol)肼水合物並將混合物於150℃槽溫度中攪拌5h。將反應混合物真空濃縮,將殘餘物於500ml水處理及加入86.0g(1.5mol)氫氧化鉀。將混合
物攪拌15min,然後於旋轉蒸發器上將水幾乎完全移除並將水之殘餘物與甲苯共沸數次蒸餾出。將油性殘餘物於乙醇中攪拌,將混合物冷卻至約10℃,將沉澱出的氯化鉀濾出,濃縮濾液,將乙醚加到殘餘物中並攪拌混合物。最後,將產物濾出,以乙醚清洗過濾器上的殘餘物並將結晶真空乾燥。
產率:149.0g(68%之理論值)
LC-MS(方法1):Rt=0.46min;MS(ESI+):m/z=140[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=7.91(d,1H),7.40(dd,1H),7.29(s,1H),6.66(d,1H),4.94(br.s,1H),4.34-4.28(m,2H),4.04(br.s,2H)。
將1.0g(6.4mmol)1-(6-氯吡啶-3-基)-N-甲基甲胺[製備請參見EP 0 556 684-Al]先導入1.5ml(1.6g,31.9mmol)肼水合物中並將混合物於150℃槽溫度於沸點中攪拌12h。將冷卻的反應溶液濃縮並將殘餘物真空乾燥。得到1.1g的標題化合物,其使用時不需進一步純化。
LC-MS(方法1):Rt=0.52min;MS(ESI+):m/z=153[M+H]+。
將5.0g(31.7mmol)6-氯菸鹼酸及30.9ml(31.8g,634.7mmol)肼水合物先導入10ml乙醇中並將混合物於100℃槽溫度於沸點中攪拌16h。將溶劑及過量的肼水合物於旋轉蒸發器上蒸餾出,將殘餘物於水中處理,然後加入1.8g(31.7mmol)氫氧化鉀並將混合物攪拌15min。於旋轉蒸發器上將溶劑完全移除,將殘餘物真空乾燥,並得到7.5g的粗產物,將其進一步反應。
LC-MS(方法1):Rt=0.48min;MS(ESI+):m/z=154[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.49(d,1H),7.89(br.s,1H),7.84(dd,1H),6.63(d,1H),5.37(br.s,2H)。
將11.8ml(12.1g,241.6mmol)肼水合物於RT下逐滴加到20.0g(134.3mmol)4,6-二氯嘧啶之乙醇溶液中,同時攪拌。若在量取肼水合物期間溶液發生渾濁狀,則再加入乙醇(約400ml)。隨後將反應溶液於RT攪拌12h。就後續處理,係將已沉澱的固體濾出,將過濾器上的殘餘物以每次150ml水清洗二次及以每次100ml乙醚清洗二次,並將產物真空乾燥。由濃縮的母液中得到另外的晶體產物部份。
產率:16.8g(87之理論值)
LC-MS(方法1):Rt=1.17min;MS(ESI+):m/z=145[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.81(s,1H),8.17(br.s,1H),6.75(s,1H),4.48(br.s,2H)。
將10.0g(67.1mmol)4,6-二氯嘧啶及5.7g(67.1mmol)哌啶之100ml水混合物於115℃槽溫度中攪拌16h。冷卻至室溫後,將沉澱濾出,以水清洗並真空乾燥。
產率:6.4g(47%之理論值)
LC-MS(方法4):Rt=2.16min;MS(ESI+):m/z=198[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.29(s,1H),6.92(s,1H),3.65-3.58(m,4H),1.66-1.62(m,2H),1.60-1.48(m,4H)。
將17.7ml(18.2g,364.2mmol)肼水合物於RT下逐滴加到6.0g(30.4mmol)4-氯-6-哌啶-1-基嘧啶之50ml乙醇溶液中,同時攪拌。隨後將反應溶液於80℃攪拌16h。就後續處理,係將混合物真空濃縮,將殘餘物於水中攪拌,將已沉澱的固體濾出,將過濾器上的殘餘物以每次150ml水清洗二次及以每次100ml乙醚清洗二次,並將產物真空乾燥。
產率:4.0g(69%之理論值)
LC-MS(方法1):Rt=2.06min;MS(ESI+):m/z=194[M+H]+;1H-MR(400MHz,DMSO-d6):δ=7.91(s,1H),7.54(br.s,1H),5.89(s,1H),4.11(br.s,2H),3.50-3.47(m,4H),1.61-1.58(m,2H),1.51-1.46(m,4H)。
將1.7ml(1.7g,34.0mmol)肼水合物加到2.0g(8.5mmol)2,5-雙-(甲基磺醯基)吡啶[Woods等人,J.雜cycl.Chem.1984,21,97-101]之15ml乙醇溶液中並將混合物回流攪拌4h。後續的處理,係將反應溶液冷卻至15℃,將已沉澱的固體濾出,將過濾器上的殘餘物
以乙醇及乙醚清洗,並將產物真空乾燥。
產率:1.4g(89%之理論值)
LC-MS(方法1):Rt=0.51min;MS(ESI+):m/z=188[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.56(s,1H),8.38(d,1H),7.81(dd,1H),6.79(d,1H),4.42(s,2H),3.11(s,3H)。
將9.3ml(9.5g,190.2mmol)肼水合物於RT下加到1.8g(9.5mmol)5-溴-2-氯吡啶之25ml乙醇溶液中,同時攪拌,然後將混合物於90℃攪拌46h。並將反應混合物真空濃縮後,將殘餘物置於水中攪拌並將固體濾出,以水及乙醚清洗並真空乾燥。
產率:0.8g(44%之理論值)
LC-MS(方法8):Rt=0.50min;MS(ESI+):m/z=188[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.02(d,1H),7.66(s,1H),7.58(dd,1H),6.69(d,1H),4.16(s,2H)。
將7.2g(48.7mmol)2,4-二氯嘧啶先導入140ml水中。加入5.3g(48.7mmol)3-羥基氮呾鹽酸鹽及48.7ml 1N氫氧化鈉溶液,並將混合物於90℃攪拌72h(可察覺到2,4-二氯嘧啶揮發及以晶體形式沉澱在冷凝器上)。真空移除溶劑並將殘餘物乾燥,得到10.4g的粗產物,將其反應無需進一步純化。
LC-MS(方法10):Rt=0.36min;MS(ESI+):m/z=186[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.29(s,1H),6.50(s,1H),4.63-4.57(m,1H),4.26(t,2H),3.82-3.75(m,2H)。
將960mg(5.2mmol)1-(6-氯嘧啶-4-基)氮呾-3-醇及2.5ml(51.7mmol)肼水合物先導入10ml乙醇及10ml THF之混合物中。反應係於單模微波(CEM Explorer)中於130℃進行1h。將混合物濃縮至約20-50%之原來的液體體積,並留在RT下放置48h。將上清液從形成的固體中倒出,並以每次1.5ml冷乙醇將固體清洗三次。將其於高真空下乾燥。
產率:300mg(32%之理論值)
LC-MS(方法8):Rt=0.23min;MS(ESI+):m/z=182[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=7.88(s,1H),7.63(s,1H),5.68(br.s,1H),5.52(s,1H),4.55(br.s,1H),4.18-4.06(m,4H),3.65-3.60(m,2H)。
將5.2g(40.0mmol)6-氯吡啶-3-醇、11.9g(60.0mmol)1-碘-2,2-二甲基丙烷、19.6g(60.0mmol)碳酸銫及120ml二乙二醇二甲基醚分成相同大小五等份,並分次於單模微波(CEM Explorer)中於
160℃反應4h。之後,將得到的五份反應混合物組合,過濾出固體並以二乙二醇二甲基醚清洗,將濾液及清洗液組合。移除大多數的溶劑並將300ml水加到濃縮的溶液中(約50ml)。將混合物攪拌30min並將得到的固體濾出,以水清洗一次並於高真空下乾燥。
產率:7.0g(88%之理論值)
LC-MS(方法8):Rt=2.47min;MS(ESI+):m/z=200[M+H]+;1H-NMR(400MHz,CDCl3):δ=8.05(d,1H),7.25-7.15(m,2H),3.61(s,2H),1.03(s,9H)。
將6.2g(30.8mmol)2-氯-5-(2,2-二甲基丙氧基)吡啶與60ml(1.2mol)肼水合物共同分成相同大小四等份,並於各等份中加入10ml乙醇。將各等份於單模微波(CEM Explorer)中於170℃(200watt)各反應12h。之後,將四份混合物組合並移除溶劑。將殘餘物以乙酸乙酯處理並將混合物各以飽和的碳酸氫鈉溶液及飽和的氯化鈉溶液清洗一次。將混合物以硫酸鎂乾燥並真空移除溶劑。
產率:6.0g(76%之理論值)
LC-MS(方法8):Rt=1.28min;MS(ESI+):m/z=196[M+H]+;1H-NMR(400MHz,CDCl3):δ=7.84(s,1H),7.17(dd,1H),6.68(d,1H),5.54(br.s,1H),3.80(br.s,2H),3.56(s,2H),1.02(s,9H)。
將2.6g(23.0mmol)第三丁醇鉀溶於50ml THF中。加入3.0g(20.9mmol)(6-氯吡啶-3-基)甲醇並將混合物於RT攪拌15min。然後加入4.4g(31.3mmol)碘甲烷並將混合物攪拌約30min直到放熱反應稍微減退。移除溶劑,將殘餘物置於二氯甲烷中處理並將混合物以水清洗二次。將混合物以硫酸鎂乾燥並濃縮,將殘餘次以管柱層析於矽膠上純化(Biotage層析,移動相:環己烷/乙酸乙酯85:15)。
產率:2.2g(68%之理論值)
LC-MS(方法1):Rt=2.62min;MS(ESI+):m/z=158[M+H]+;1H-NMR(400MHz,CDCl3):δ=8.34(d,1H),7.65(dd,1H),7.32(d,1H),4.45(s,2H),3.41(s,3H)。
將71.3g(0.8mol)2-(二甲基胺基)-乙醇先導入500ml正己烷中並將混合物冷卻至0℃。緩慢加入1.0公升(1.6mol)正丁基鋰溶液
(1.6M之正己烷溶液)並將混合物於0℃攪拌15min。然後逐滴加入17.9g(166.7mmol)3,4-二甲基吡啶之500ml正己烷溶液並將混合物於0℃攪拌1h。隨後冷卻至-78℃並加入331.7g(1.0mol)四溴甲烷之1.0公升THE溶液。隨後將反應溶液於-78℃攪拌1h,之後讓其升溫至RT。再次冷卻至0℃並逐滴緩慢加入1.5公升的水。進行相分離並以水清洗有機相,以硫酸鎂乾燥並真空濃縮。將殘餘物先於約1kg矽膠上預純化(移動相:環己烷/乙酸乙酯9:1,然後7:3)。將含產物之溶離份組合並真空濃縮。然後將殘餘物再次於矽膠上純化(移動相:環己烷/乙酸乙酯9:1)。此方法得到之產物含約10%的區域異構物2-溴-3,4-二甲基吡啶。
產率:6.7g(20%之理論值)
GC-MS(方法14):Rt=4.24min;MS(ESI+):m/z=187[M+H]+;1H-NMR(400MHz,CDCl3):δ=8.07(s,1H),7.25(s,1H),2.24(s,3H),2.18(s,3H)。
將25.0g(175.3mmol)5-胺基甲基-2-氯嘧啶先導入175ml二氯甲烷中。加入175ml 10%濃度氫氧化鈉以及逐滴加入38.3g(175.3mmol)二碳酸二第三丁基酯之175ml二氯甲烷溶液。將混合物於RT攪拌16h。然後以175ml二氯甲烷稀釋,將有機層分離出並以175ml二氯甲烷萃取水層。將組合的有機層以硫酸鎂乾燥並濃
縮。將產物於高真空下乾燥。
產率:42.0g(99%之理論值)
LC-MS(方法7):Rt=1.58min;MS(ESI+):m/z=243[M+H]+;1H-NMR(400MHz,CDCl3):δ=8.31(d,1H),7.61(dd,1H),7.30(d,1H),4.99(br.s,1H),4.30(d,2H),1.46(s,9H)。
將45.0g(302.1mmol)4,6-二氯嘧啶先導入450ml水中。加入26.3g(302.1mmol)嗎啉並將混合物於90℃攪拌16h。之後,冷卻至0℃並將形成的沉澱濾出。以50ml水清洗沉澱一次並風亁。
產率:51.0g(85%之理論值)
LC-MS(方法4):Rt=1.09min;MS(ESI+):m/z=200[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.35(s,1H),6.95(s,1H),3.62(s,8H)。
將53.0g(2.7mmol)4-(6-氯嘧啶-4-基)嗎啉先導入260ml乙醇中。加入132.9g(2.7mol)肼水合物並將混合物回流攪拌16h。之後,冷卻至RT並以蒸餾移除約一半的溶劑。將混合物冷卻至0℃並將形成的固體過濾出。以冷乙醇清洗並將固體先風亁,然後再真空乾燥。
產率:35.0g(68%之理論值)
LC-MS(方法1):Rt=0.17min;MS(ESI+):m/z=196[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=7.94(s,1H),7.70(s,1H),5.91(s,1H),4.15(s,2H),3.66-3.60(m,4H),3.45-3.37(m,4H)。
將20.0g(174.6mmol)2-氯吡逐滴加到60.0ml(61.7g,1.2mol)肼水合物中。將混合物於120℃槽溫度中攪拌45min。就後續處理,係將冷卻的反應混合物留於2℃下放置12h,將已沉澱的晶體濾出,並將過濾器上的殘餘物以石油醚清洗二次。然後將殘餘物以甲苯再結晶。
產率:6.5g(34%之理論值)
LC-MS(方法1):Rt=0.49min;MS(ESI+):m/z=111[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.11(s,1H),7.94(s,1H),7.90(s,1H),7.70(d,1H),4.29(br.s,2H)。
將7.2g(50.0mmol)(6-氯吡啶-3-基)甲醇先導入50ml二氯甲烷中。加入25.1g(115.0mmol)二碳酸二第三丁酯及1.2g(5.0mmol)過氯酸鎂並將混合物於40℃攪拌24h。然後冷卻至RT,另再加入12.5g(87.1mmol)二碳酸二第三丁酯及600mg(2.7mmol)過氯酸鎂並將混合物再次回流攪拌2.5h。再次加入12.5g(87.1mol)二碳酸二第三丁酯並將混合物另再回流攪拌3h。之後,以二氯甲烷稀釋並以水清洗一次及以飽和的氯化鈉溶液清洗一次。將混合物以硫酸鎂乾燥並濃縮,以及將殘餘物以管柱層析於矽膠上純化(移動相:環己烷/乙酸乙酯85:15)。
產率:7.9g(79%之理論值)
LC-MS(方法10):Rt=1.12min;MS(ESI+):m/z=200[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.36(d,1H),7.78(dd,1H),6.98(d,1H),4.45(s,2H),1.22(s,9H)。
將7.9g(39.6mmol)5-(第三丁氧基甲基)-2-氯吡啶與19.8g(395.6mmol)肼水合物共同分成相同大小的三等份並於各等份加入15ml乙醇。將各等份置於單模微波(CEM Explorer)中於170℃反應4h。之後,將三份混合物組合並移除溶劑。將殘餘物置於乙酸乙酯中處理,並將混合物以飽和的碳酸氫鈉溶液清洗一次。以乙酸乙酯萃取水層一次。將二個乙酸乙酯層組合並以飽和的氯化鈉溶液清洗一次。將混合物以硫酸鎂乾燥並移除溶劑。將得到的殘餘物置於石油醚中攪拌並將固體濾出。
產率:1.6g(21%之理論值)
LC-MS(方法10):Rt=0.77min;MS(ESI+):m/z=196[M+H]+;1H-NMR(400MHz,CDCl3):δ=8.08(s,1H),7.50(dd,1H),6.68(d,1H),5.77(br.s,1H),4.32(s,2H),3.80(br.s,2H),1.28(s,9H)。
將2.0g(14.4mmol)6-氯菸鹼酸腈於7.0ml(7.3g,144.4mmol)肼水合物中於100℃槽溫度攪拌15min。將冷卻至RT之反應混合物,以水稀釋並於RT攪拌30min。將分開的沉澱濾出,以水清洗過濾器上的殘餘物並將結晶風乾至隔夜,及以乙酸乙酯再結晶。
產率:1.5g(80%之理論值)
LC-MS(方法1):Rt=0.51min;MS(ESI+):m/z=135[M+H]+;1H-NMR(400MHz,DMSO-d6)=8.56(s,1H),8.35(s,1H),7.73(d,1H),6.75(m,1H),4.42(s,1H)。
將1.0g(7.8mmol)2-氯-5-甲基吡啶於5.7ml(5.9g,117.6mmol)肼水合物中回流攪拌12h。將10ml乙二醇單乙基醚加到冷卻的反應混合物中,然後於旋轉蒸發器上完全移除溶劑。重複此操作步驟二次,然後將二氯甲烷加入殘餘物中,濾出沉澱,將濾液真空濃縮並將殘餘物真空乾燥。
LC-MS(方法8):Rt=0.35min;MS(ESI+):m/z=124[M+H]+。
將1.6g(6.9mmol)4-氯-6-環丙基嘧啶[FR 1 519 069(1966);Chem.Abstr.71,49965y,1969]及3.4ml(3.5g,69.0mmol)肼水合物於90℃槽溫度攪拌16h。將乙二醇單乙基醚基加到冷卻的反應混合物中並將混合物真空濃縮。重複此操作一次。然後將殘餘物於矽膠60上層析(移動相:乙腈/水8:2)。
產率:0.8g(69%之理論值)
GC-MS(方法14):Rt=5.72min;MS(ESI+):m/z=151[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.33(br.s,1H),8.19(s,1H),6.59(s,1H),4.85(br.s,2H),1.90-1.87(m,1H),0.96-0.85(m,4H)。
列於下表1之化合物係以類似方法由所述的分離物根據下列說明所製備:係使用肼水合物或1M肼之THF溶液。反應亦可在單模微波(CEM Explore或Emrys Optimizer)中進行,典型地係在乙醇或THF中於150℃進行約15min至4h的時間。純化係如實例9A之製備所述或以類似方法來進行,例如以水清洗沉澱出的固體並以乙酸
乙酯再結晶,或與乙酸乙酯或石油醚攪拌。過量的肼水合物可藉由例如於乙酸乙酯中處理粗產物,並以飽和的碳酸氫鈉溶液清洗混合物來移除。
將2.0g(13.8mmol)從實例7A得來之化合物與4.3g(27.7mmol)4-吡咯啶-1-基吡啶之混合物於20ml水中在100℃攪拌16h。將沉澱出的固體濾出,先以乙醇清洗然後以乙醚清洗,以及真空乾燥。
產率:3.0g(82%之理論值)
LC-MS(方法8):Rt=0.21min;MS(ESI+):m/z=263[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=7.92(s,1H),7.58(s,1H),5.91(s,1H),4.17-4.07(m,4H),2.95-2.85(m,2H),2.54(s,2H),2.52-2.46(m,2H),2.24-2.15(m,1H),1.90-1.80(m,2H),1.71-1.61(m,4H),1.39-1.24(m,2H)。
將1.0g(6.9mmol)從實例7A得來之化合物與1.1g(7.6mmol)1-(2-甲氧基乙基)哌於10ml水中在100℃攪拌2h。另再加入0.9g(6.2mmol)1-(2-甲氧基乙基)哌並將反應混合物於100℃攪拌16h。真空濃縮後,將殘餘物置於乙腈中攪拌。將沉澱出的固體濾出,先以乙醇清洗然後以乙醚清洗,及真空乾燥。
產率:0.8g(42%之理論值)
LC-MS(方法8):Rt=0.22min;MS(ESI+):m/z=253[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=7.93(s,IH),7.64(s,1H),5.91(s,1H),4.14(s,2H),3.50-3.40(m,6H),3.24(s,3H),2.47-2.39(m,4H)。
將2.0g(14.7mmol)4-(三氟甲基)-1H-咪唑先導入5.5ml(4.7g,14.7mmol)21%濃度的乙醇鈉之乙醇溶液中,並加入1.8ml(2.7g,16.2mmol)溴乙酸乙酯。將反應混合物於RT攪拌16h。就後續處理係將沉澱出的固體濾出,以乙醇清洗過濾器上之殘餘物並將濾液真空濃縮。將異丙醚加到殘餘物中,再次過濾混合物,將濾液再次於旋轉蒸發器濃縮並將殘餘物真空乾燥。得到的產物為二種區域異構物之9:1混合物,並將其進一步反應。
產率:3.3g(95%之理論值)
LC-MS(方法1):Rt=1.75min+1.80min;MS(ESI+):m/z=223[M+H]+;
1H-NMR(400MHz,DMSO-d6):δ=7.93(s,1H),7.82(s,1H),5.04(s,2H),[5.07(s,2H)],4.18(q,2H),[4.12(q,2H)],1.22(t,3H),[1.19(t,3H)]。
將3.3g(35.3mmol)1H-咪唑-4-甲腈[Matthews等人.,J.Org.Chem. 1986, 51,3228-3231]先導入13.2ml(11.5g,35.3mmol)21%濃度的乙醇鈉之乙醇溶液中,並加入4.3ml(6.5g,38.9mmol)溴乙酸乙酯。將反應混合物於RT攪拌16h。就後續處理係將沉澱出的固體濾出,以乙醇清洗過濾器上之殘餘物並將濾液真空濃縮。將異丙醚加到殘餘物中,再次過濾混合物,將濾液再次於旋轉蒸發器濃縮並將殘餘物真空乾燥。
產率:3.8g(60%之理論值)
LC-MS(方法1):Rt=1.17min;MS(ESI+):m/z=180[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.12(s,1H),7.88(s,1H),5.06(s,2H),4.18(q,2H),1.22(t,3H)。
將4.4g(53.6mmol)4-甲基-1H-咪唑先導入20.0ml(17.4g,53.6mmol)21%濃度的乙醇鈉之乙醇溶液中,並加入6.5ml(9.8g,58.9mmol)溴乙酸乙酯。將反應混合物於RT攪拌16h。就後續處理係將沉澱出的固體濾出,以乙醇清洗過濾器上之殘餘物並將濾液真空濃縮。將殘餘物以管柱層析於矽膠上純化(移動相:乙腈/水9:1)。得到的產物為二種區域異構物之3:2混合物,並將其進一步反應。
產率:1.8g(20%之理論值)
LC-MS(方法1):Rt=1.02min;MS(ESI+):m/z=169[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=7.48(s,1H),[7.52(s,1H)],6.82(s,1H),[6.64(s,1H)],4.86(s,2H),[4.88(s,2H)],4.22-4.11(m,2H),2.07(s,3H),[2.06(s,3H)],1.25-1.19(m,3H)。
將2.0g(24.4mmol)2-甲基-1H-咪唑先導入9.1ml(7.9g,24.4mmol)21%濃度的乙醇鈉之乙醇溶液中,並加入2.9ml(4.5g,26.8
mmol)溴乙酸乙酯。將反應混合物於RT攪拌16h。就後續處理係將沉澱出的固體濾出,以乙醇清洗過濾器上之殘餘物並將濾液真空濃縮。將殘餘物置於異丙醚中攪拌,再次過濾混合物並將濾液再次真空濃縮。
產率:2.9g(70%之理論值)
LC-MS(方法1):Rt=0.49min;MS(ESI+):m/z=169[M+H]+。
將2.0g(14.2mmol)(4-甲基-IH-1,2,3-三唑-1-基)乙酸溶於30ml乙醇中並加入10滴濃硫酸。將反應混合物於RT攪拌16h。就後續處理係將混合物真空濃縮,將乙酸乙酯加入殘餘物中並以半濃縮碳酸氫鈉溶液清洗懸浮液。將有機層以硫酸鎂乾燥,於旋轉蒸發器上完全移除溶劑並將固體真空乾燥。
產率:1.5g(61%之理論值)
LC-MS(方法1):Rt=2.33min;MS(ESI+):m/z=170[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=7.82(s,1H),5.31(s,2H),4.17(q,2H),2.25(s,3H),1.21(t,3H)。
表2所列之化合物係類似實例36A由所述之分離物所製備:表2
將129.2g(5.6mol)鈉緩慢地加到4.0公升乙醇中。然後加入400.0g(5.6mol)1,2,3-1H-三唑並於20-25℃之內部溫度下逐滴加入623ml(938.2g,5.6mol)溴乙酸乙酯。將反應混合物於RT攪拌48h。將沉澱出的固體濾出,真空移除乙醇並再次將混合物過濾。將殘餘物置於乙酸乙酯中處理,將混合物過濾並再次真空濃縮,及將殘餘物於30cm管柱以蒸餾純化。於140℃的槽溫度,60-115℃的上方溫度及1毫巴(mbar)壓力下得到產物。
產率:440.0g(50%之理論值)
HPLC(方法11):Rt=1.58min;LC-MS(方法1):Rt=0.71min;MS(ESI+):m/z=156[M+H]+。
將118.2g(5.1mol)鈉緩慢地加到2.5公升乙醇中。然後加入350.0g(5.1mol)咪唑並於20-25℃之內部溫度下逐滴加入570ml(858.6g,5.1mol)溴乙酸乙酯。將混合物於RT攪拌24h。將沉澱出的固體濾出,真空移除乙醇並再次將混合物過濾。將殘餘物於矽膠上以管柱層析純化(移動相:乙酸乙酯)。
產率:639.0g(81%之理論值)
GC-MS(方法14):Rt=4.55min;MS(ESI+):m/z=155[M+H]+。
將4.1g(31.9mmol)疊氮基乙酸乙酯及2.8g(31.9mmol)2-氯丙烯腈於32ml水中於80℃槽溫度下攪拌16h。冷卻至室溫後,以1N鹽酸將溶液酸化並以乙酸乙酯萃取。將有機層以硫酸鈉乾燥,
過濾並真空濃縮。將50ml乙醇及10滴濃硫酸加到殘餘物中並將混合物回流攪拌16h。就後續處理,係將反應混合物濃縮,將乙酸乙酯加到殘餘物中,以半濃縮的碳酸氫鈉清洗懸浮液並將有機層以硫酸鈉乾燥。於旋轉蒸發器上完全移除溶劑並將固體真空乾燥。
產率:1.5g(25%之理論值)
LC-MS(方法7):Rt=0.96min;MS(ESI+):m/z=181[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.06(s,1H),5.57(s,2H),4.19(q,2H),1.22(t,3H)。
將38.0g(244.9mmol)從實例39A得來之化合物於126ml(108.1g,734.7mmol)二甲基甲醯胺二乙縮醛於90℃槽溫度下攪拌16h。冷卻後,將混合物濃縮,將殘餘次以異丙醚攪拌並將固體濾出,最後以異丙醚清洗。
產率:49.0g(95%之理論值)
LC-MS(方法4):Rt=2.42min;MS(ESI+):m/z=211[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=7.52(s,1H),7.49(s,1H),7.05(s,1H),6.91(s,1H),4.02(q,2H),2.63(br.s,6H),1.12(t,3H)。
將1.9g(9.8mmol)[1,2,4]-三唑-1-基乙酸乙酯[Ainsworth等人,J.Am.Chem.Soc. 1955, 77,621-623]及3.6ml(2.9g,19.6mmol)二甲基甲醯胺二乙縮醛於100℃槽溫度下攪拌12h。就後續處理係將冷卻的反應溶液於旋轉蒸發器上濃縮並將殘餘物真空乾燥。
產率:2.3g(90%純度,100%之理論值)
LC-MS(方法1):Rt=2.32min;MS(ESI+):m/z=211[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.48(s,1H),8.04(s,1H),7.61(s,1H),4.03(q,2H),3.04(br.s,3H),2.25(br.s,3H),1.12(t,3H)。
將38.0g(170.8mmol)從實例32A得來之化合物及58.5ml
(50.3g,341.6mmol)二甲基甲醯胺二乙縮醛於100℃槽溫度下攪拌16h。就後續處理係將冷卻的反應溶液於旋轉蒸發器上濃縮並將殘餘物真空乾燥。
產率:49.5g(97%之理論值)
LC-MS(方法8):Rt=1.68min;MS(ESI+):m/z=278[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=7.81(s,1H),7.27(s,1H),7.58(s,1H),4.03(q,2H),2.68(br.s,6H),1.13(t,3H)。
將3.8g(21.4mmol)從實例33A得來之化合物及7.4ml(6.3g,42.8mmol)二甲基甲醯胺二乙縮醛於100℃槽溫度下攪拌16h。就後續處理係將冷卻的反應溶液於旋轉蒸發器上濃縮並將殘餘物真空乾燥。
產率:5.0g(73%純度,73%之理論值)
LC-MS(方法1):Rt=2.69min;MS(ESI+):m/z=235[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.13(s,1H),7.85(s,1H),7.58(s,1H),4.03(q,2H),2.69(br.s,6H),1.12(t,3H)。
將310mg(1.5mmol,80%純度)從實例34A得來之化合物及0.5ml(434mg,3.0mmol)二甲基甲醯胺二乙縮醛於100℃槽溫度下攪拌16h。就後續處理係將冷卻的反應溶液於旋轉蒸發器上濃縮並將殘餘物真空乾燥。得到的產物為二種區域異構物之3:2混合物,並將其進一步反應。
產率:329mg(99%之理論值)
LC-MS(方法1):Rt=2.05min;MS(ESI+):m/z=224[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=7.50(s,1H),[7.58(s,1H)],7.32(d,1H),[7.38(d,1H)],6.73(s,1H),[6.66(s,1H)],4.04-3.98(m,2H),2.64(br.s,6H),2.08(s,3H),[1.97(s,3H)],1.12(t,3H)。
表3中所列之化合物係類似實例43A由所述之分離物及二甲基甲醯胺二乙縮醛所製備:
將10.0g(47.7mmol)從實例3A得來之化合物及8.3g(57.1mmol)從實例7A得來之化合物先導入100ml乙醇中並加入1.5ml(2.2g,19.0mmol)TFA。將混合物回流攪拌12h。然後將過量的4M氯化氫之二噁烷溶液加入冷卻的反應混合物中,藉由攪拌約1h萃取混合物,將沉澱出的晶體濾出並以二噁烷及乙醇清洗過濾器上的殘餘物。將此法中得到之中間產物溶於150ml乙醇,加入50ml的25%濃度甲醇鈉之甲醇溶液並將混合物於RT攪拌2h。然後將反應混合物以1N鹽酸調整至pH 5並於RT下另再攪拌2h萃取,將固體濾出,以乙醇清洗過濾器上的殘餘物並將產物真空乾燥。
產率:7.0g(49%之理論值)
LC-MS(方法10):Rt=1.20min;MS(ESI+):m/z=264[M+H]+。
將10.0g(47.8mmol)從實例42A得來之化合物及8.3g(57.3mmol)從實例7A得來之化合物先導入100ml乙醇中並加入1.5ml(2.2g,19.0mmol)TFA。將混合物回流攪拌12h。將沉澱出的晶體濾出並以乙醇清洗過濾器上的殘餘物,將此中間產物真空乾燥至隔夜。然後懸浮於20ml甲醇中,加入100ml的4M氫氯酸之二噁烷溶液並隨後將混合無於RT下攪拌1h。將固體濾出,以二噁烷、乙酸乙酯及異丙醚清洗過濾器上的殘餘物並將產物真空乾燥。
產率:4.6g(32%之理論值)
HPLC(方法11):Rt=2.81min;MS(ESI+):m/z=263[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.46(s,1H),8.96(s,1H),8.56(s,1H),8.51(d,1H),8.07-8.04(m,1H),7.85-7.82(m,1H)。
將1.4g(10.0mmol)碳酸鉀溶於50ml水中。將2.0g(10.0mmol)從實例16A得來之化合物及2.2g(10.0mmol)乙氧基基伸甲基丙二
酸二乙酯加到此溶液中,然後將混合物於100℃攪拌2h。讓其冷卻至RT並將固體濾出,以水清洗以及於高真空下乾燥。
產率:2.4g(75%之理論值)
LC-MS(方法8):Rt=1.31min;MS(Esl+):m/z=320[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.30(s,1H),7.97(s,1H),7.48(s,1H),4.00(q,2H),3.75-3.61(m,4H),3.55-3.45(m,4H),1.18(t,3H)。
將250mg(1.19mmol)從實例3A得來之化合物、108mg(0.99mmol)2-肼基吡啶及23mg(99μmol)樟腦-10-磺酸溶於5ml無水乙醇中,並將混合物加熱回流至隔夜。每次另再加入108mg(0.99mmol)2-肼基吡啶總計四次,並將混合物另再加熱回流直到由實例3A得來之化合物完全轉化。冷卻後,將反應混合物以製備式HPLC純化數次(RP 18管柱;移動相:添加0.1%濃鹽酸之乙腈/水梯度)並得到6mg(2%之理論值)之標題化合物。
1H-NMR(400MHz,DMSO-d6):δ=8.52(d,1H),8.44(s,1H),8.37(s,IH),8.29-8.23(m,1H),8.11-8.06(m,1H),7.90(s,1H),7.43-7.38(m,1H)。
LC-MS(方法2):Rt=1.17min;MS(ESI+):m/z=229[M+H]+。
將250mg(1.19mmol)從實例3A得來之化合物、122mg(0.99mmol)從實例1A得來之化合物及23mg(99μmol)樟腦-10-磺酸溶於5ml無水乙醇中並將混合物加熱回流至隔夜。之後,讓反應混合物冷卻並以製備式HPLC預純化(RP 18管柱;移動相:乙腈/水梯度)及隨後以快速層析於矽膠上純化(移動相:二氯甲烷/甲醇梯度)。以製備式HPLC重新再純化HPLC(RP 18管柱;移動相:乙腈/水梯度),最後得到21mg(9%之理論值)之標題化合物。
1H-NMR(400MHz,DMSO-d6):δ=8.42(s,1H),8.38(d,1H),8.29(s,1H),8.09(s,1H),7.90(s,1H),7.27(d,1H),2.46(s,3H)。
LC-MS(方法4):Rt=1.05min;MS(ESI+):m/z=243[M+H]+。
將2.43g(8.62mmol)從實例2A得來之化合物、1.53g從實例16A得來之化合物及182mg(784μmol)樟腦-10-磺酸溶於35ml無水甲醇中。並將混合物加熱回流至隔夜。冷卻後,將混合物濃縮,將殘餘物再次置於325ml甲醇中處理,加入0.5ml(8.62mmol)的25%濃度甲醇鈉之甲醇溶液並將混合物再次加熱回流至隔夜。冷卻後,將形成的沉澱抽氣過濾出,以乙醚清洗,並懸浮於少許的水中,加入過量的1M鹽酸並將懸浮液再次濃縮。以水及乙醚清洗殘餘物並乾燥。得到1.34g(43%之理論值)之標題化合物。
1H-NMR(400MHz,DMSO-d6):δ=8.55(s,1H),8.26(s,1H),7.49(s,1H),3.84-3.70(m,8H)。
LC-MS(方法4):Rt=1.68min;MS(ESI+):m/z=400[M+H]+。
將240mg(854umol)從實例2A得來之化合物、150mg(776mmol)從實例8A得來之化合物及18mg(78μmol)樟腦-10-磺酸溶於
3ml無水乙醇中,並將混合物加熱回流至隔夜。冷卻後,加入64mg(931μmol)乙醇鈉並將混合物於RT下另再攪拌至隔夜。將形成的沉澱抽氣過濾出,以乙醇及乙醚清洗並乾燥。將濾液濃縮並以製備式HPLC純化殘餘物(RP18管柱;移動相:乙腈/水梯度)。將此法得到的二項中間產物部分共同懸浮5ml甲醇中,加入15mg(278μmol)甲醇鈉並將混合物加熱回流至隔夜。冷卻後,將反應混合物以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度),並得到26mg(8%之理論值)之標題化合物。
1H-NMR(400MHz,DMSO-d6):δ=8.33(s,1H),7.87(s,1H),7.76(s,1H),3.63-3.58(m,4H),1.68-1.51(m,6H)。
LC-MS(方法3):Rt=2.23min;MS(ESI+):m/z=398[M+H]+。
表4中所列之化合物係類似實例4從對應的分離物所製備:
將3.7g(17.6mmol)從實例3A得來之化合物及2.6g(21.1mmol)從實例1A得來之化合物溶於100ml無水乙醇中,並加入0.7ml(1.0g,8.8mmol)TFA。將混合物於100℃槽溫度下攪拌16h。之後,冷卻至RT並真空濃縮。將殘餘物溶於35ml乙腈中並於RT下加入9ml(35.2mmol)的4N氯化氫之二噁烷溶液。將沉澱分離出並以35ml乙腈清洗。以異丙醚清洗固體,然後於10ml甲醇加熱至40℃,加入10ml乙酸乙酯,將混合物過濾並以5ml的1:1之甲醇和乙酸乙酯混合物以及2ml乙酸乙酯清洗產物。
產率:2.0g(40%之理論值)
LC-MS(方法2):Rt=1.05min;MS(ESI+):m/z=243[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.42-8.40(m,1H),8.37(d,1H),8.29(s,1H),8.09(s,1H),7.89(d,1H),7.27(d,1H),2.46(s,3H)。
將227mg(1.1mmol)從實例3A得來之化合物、245mg(1.1mmol)6-肼基菸鹼酸乙酯[製備請參見WO 2006/114213]及50mg(0.2mmol)樟腦-10-磺酸製於6ml乙醇中回流下攪拌3h。之後,另將490mg(2.2mmol)6-肼基菸鹼酸乙酯及37mg(0.2mmol)對甲苯磺酸加到冷卻的反應混合物中,並將mmol)6-肼基菸鹼酸乙酯及37mg(0.2mmol)對甲苯磺酸混合,於沸點下攪拌1天。就後續處理係將反應混合物真空濃縮並將殘餘物以製備式HPLC層析(方法12)。將4ml的4N氯化氫之二噁烷溶液加到由HPLC分離所得來之凍乾的三氟乙酸鹽中,將此懸浮液部分濃縮,將固體濾出,以乙醚清洗過濾器上之殘餘物,並將產物真空乾燥。
產率:139mg(38%之理論值)
LC-MS(方法1):Rt=2.88min;MS(ESI+):m/z=301[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.00(s,1H),8.60-8.57(m,1H),8.53-8.46(m,2H),8.45(s,1H),7.91(s,1H),4.38(q,2H),1.35(t,3H)。
將400mg(1.8mmol)從實例3A得來之化合物、338mg(1.8mmol)從實例8A得來之化合物及60mg(0.4mmol)對甲苯磺酸先導入2ml THE及2ml乙醇混合物中,並將混合物於單模微波(Emrys Optimizer)中於140℃反應1h。將冷卻的反應混合物真空濃縮並將2ml的4N氯化氫之二噁烷溶液、乙醚及乙腈加到殘餘物中。將分離的沉澱過濾出並將過濾器上的殘餘物以製備式HPLC層析(RP 18管柱;移動相:乙腈/水梯度於水中添加0.1%甲酸)。將4ml的4N氯化氫之二噁烷溶液加到由此得到的凍乾甲酸鹽中,將懸浮液部分濃縮,濾出固體,將過濾器上的殘餘物以乙醚清洗並將產物真空乾燥。
產率:75mg(12%之理論值)
LC-MS(方法1):Rt=2.75min;MS(ESI+):m/z=313[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.51(s,1H),8.38(s,1H),8.21(s,1H),7.85(s,1H),7.38(s,1H),3.76-3.72(m,4H),1.74-1.63(m,2H),1.59(s,9H)。
將5.5g(26.3mmol)從實例42A得來之化合物及6.1g(31.5mmol從實例8A得來之化合物溶於55ml乙酸乙酯中,並加入1.2g(10.5mmol)對甲苯磺酸。將混合物物加熱回流並於此溫度攪拌16h。冷卻至RT後,將沉澱濾出並以乙酸乙酯清洗。將固體溶於50ml水並以1N鹽酸將溶液調整至pH 7。將沉澱濾出,以水及異丙醚清洗,最後以無水的五氧化二磷乾燥。
產率:7.8g(95%之理論值)
LC-MS(方法1):Rt=2.32min;MS(ESI+):m/z=312[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.42(s,1H),8.53(s,1H),8.28(s,1H),8.04(s,1H),7.82(s,1H),7.45(s,1H),3.76-3.72(m,4H),1.74-1.52(m,6H)。
將200mg(1.0mmol)從實例42A得來之化合物及118mg(1.0mmol)從實例1A得來之化合物溶於2ml乙醇中,並加入44mg(0.2mmol)樟腦-10-磺酸。將混合物加熱回流16h,然後濃縮並將殘餘
物以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度於水中添加0.1%甲酸)。
產率:4mg(2%之理論值)
LC-MS(方法1):Rt=1.94min;MS(ESI+):m/z=242[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.34(d,1H),8.18(s,1H),8.12-8.09(m,2H),7.53(s,1H),7.19(d,1H),7.09(s,1H),2.42(s,3H)。
將1.0g(3.6mmol)從實例44A得來之化合物及502mg(3.6mmol)從實例4A得來之化合物溶於1ml冰乙酸中並將混合物於RT攪拌16h。之後,再次加入200mg(1.4mmol)從實例4A得來之化合物並將混合物於RT另再攪拌20h。將反應混合物置於5ml乙酸乙酯中處理,以稀碳酸氫鈉水溶液將混合物調整至pH 7。將水層真空濃縮,將1.5ml(4.0mmol)21%濃度乙醇鈉之乙醇溶液加到殘餘物中,並將混合物於RT攪拌4h。將沉澱濾出並以乙醇清洗。
產率:111mg(9%之理論值)
LC-MS(方法4):Rt=1.70min;MS(ESI+):m/z=326[M+H]+;
1H-NMR(400MHz,DMSO-d6):δ=8.44(s,1H),8.39-8.21(m,2H),8.19(s,1H),8.14(s,1H),7.98(dd,1H),5.41(t,1H),4.58(d,2H)。
將7.5g(27.0mmol)從實例44A得來之化合物及3.9g(27.0mmol)從實例4A得來之化合物溶於50ml乙醇中,並加入1.3g(5.4mmol)樟腦-10-磺酸,以及將混合物於RT攪拌16h。將1.5g(5.4mmol)從實例44A得來之化合物及0.8g(5.4mmol)從實例4A得來之化合物另再溶於10ml乙醇中,加入0.2g(1.1mmol)對甲苯磺酸並將混合物於RT攪拌16h。之後,將二項混合物組合,將混合物真空濃縮,並將殘餘物以管柱層析於矽膠上純化(移動相:乙腈/水4:1)。移除溶劑後,加入2ml的4N氯化氫之二噁烷溶液,將混合物真空濃縮並將殘餘物乾燥。
產率:1.5g(14%之理論值)
HPLC(方法11):Rt=3.38min;MS(ESI+):m/z=326[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.43(s,1H),8.39-8.21(m,2H),8.19(s,1H),8.15(s,1H),7.98(dd,1H),5.48-5.38(m,1H),4.57(d,2H)。
將4.1g(13.4mmol)從實例44A得來之化合物、1.9g(15.7mmol)從實例1A得來之化合物及0.5g(2.7mmol)對甲苯磺酸置於8ml THF及12ml乙醇混合物中,於單模微波(Emrys Optimizer)中以160℃反應1h。真空移除所有的揮發組成物後,將乙酸乙酯及水加到殘餘物中。將有機層分離出,以飽和的氯化鈉溶液清洗,以硫酸鎂乾燥以及將乾燥紀濾出。將濾液真空濃縮並將粗產物以製備式HPLC純化(方法15)。將5ml的4N氯化氫之二噁烷溶液加到所得到的凍乾物中,將混合物部分濃縮,將懸浮液於乙腈及乙醚中攪拌,將晶體濾出,以正戊烷清洗過濾器上的殘餘物並將產物真空乾燥。
產率:0.4g(9%之理論值)
LC-MS(方法1):Rt=3.11min;MS(ESI+):m/z=310[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.37(d,1H),8.31(s,1H),8.19(s,1H),8.19(s,1H),8.16(s,1H),8.12(s,1H),7.23(d,1H),2.44(s,3H)。
將200mg(0.7mmol)從實例44A得來之化合物、139mg(0.7mmol)從實例8A得來之化合物及24mg(0.1mmol)對甲苯磺酸置於3ml THF中於單模微波(Emrys Optimizer)以160℃反應1h。真空移除所有的揮發組成物後,將殘餘物以製備式HPLC層析(RP-18管柱;溶離劑:乙腈/水梯度於水中添加0.1%甲酸)。將2ml的4N氯化氫之二噁烷及乙醚溶液加到濃縮的產物餾份中,將沉澱出的晶體濾出,以乙醚清洗過濾器上的殘餘物並將產物真空乾燥。
產率:72mg(24%之理論值)
LC-MS(方法1):Rt=3.29min;MS(ESI+):m/z=380[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.49(s,1H),8.25(s,1H),8.15(s,1H),8.11(s,1H),7.43(s,1H),3.69(s,4H),1.69-1.66(m,2H),1.58(s,9H)。
將200mg(0.9mmol)從實例45A得來之化合物及165mg(0.9mmol)從實例8A得來之化合物溶於2ml乙醇中,並加入29mg(0.2mmol)對甲苯磺酸。將混合物於90℃攪拌48h。冷卻至RT後,將反應混合物濃縮並將殘餘物以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度於水中添加0.1%甲酸)。將過量的4N氯化氫之二噁烷及乙醚溶液加到濃縮的產物餾份中,將沉澱的晶體濾出,以乙醚清洗過濾器上的殘餘物並將產物真空乾燥。
產率:18mg(6%之理論值)
HPLC(方法11):Rt=3.64min;MS(ESI+):m/z=337[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.49(s,1H),8.40(s,1H),8.21(s,1H),8.18(s,1H),7.42(s,1H),3.75-3.65(m,4H),1.73-1.51(m,6H)。
將280mg(1.3mmol)從實例3A得來之化合物及200mg(1.3mmol)從實例37A得來之化合物溶於2ml乙醇中,並加入21μl(30g,0.3mmol)TFA。將反應混合物回流攪拌12h。冷卻至RT後,將反應溶液以製備式HPLC直接層析(RP18管柱;移動相:添加0.1%甲酸之乙腈/水梯度)。標題化合物(為游離鹼)由此於產物餾份中部分沉澱出。將沉澱濾出,以乙醚清洗過濾器上的殘餘物並將過量的4N氯化氫之二噁烷溶液加到濾液中。於RT下攪拌萃取混合物,將沉澱出的固體濾出,以乙醚清洗過濾器上的殘餘物並將產物真空乾燥。
產率:16mg(4%之理論值)
HPLC(方法11):Rt=3.11min;1H-MR(400MHz,DMSO-d6):δ=8.90(s,1H),8.59(m,1H),8.44(s,1H),8.29(s,1H),7.91(s,1H),2.26-2.24(m,1H),1.17-1.05(m,4H)。
將280mg(1.3mmol)從實例3A得來之化合物及200mg(1.3mmol)從實例37A得來之化合物溶於2ml乙醇中,並加入21μl(30g,0.3mmol)TFA。將混合物回流攪拌12h。冷卻至RT後,將反應
溶液以製備式HPLC直接層析(RP 18管柱;移動相:添加0.1%甲酸之乙腈/水梯度)。標題化合物由此於產物餾份中部分沉澱出。將固體濾出並真空乾燥。
產率:5mg(1.3%之理論值)
HPLC(方法11):Rt=3.10min;1H-NMR(400MHz,DMSO-d6):δ=8.89(s,1H),8.59-8.55(m,1H),8.44(s,1H),8.29(s,1H),7.91(s,1H),2.25-2.23(m,1H),1.17-1.05(m,4H)。
將15.1g(71.9mmol)從實例3A得來之化合物及10.0g(71.9mmol)從實例4A得來之化合物溶於375ml乙醇中,並加入1.7g(7.2mmol)樟腦-10-磺酸。將混合物加熱回流16h。冷卻至RT後,將反應混合物濃縮並將殘餘物以管柱層析於矽膠上純化(移動相:二氯甲烷/甲醇9:1,然後1:1)。將產物餾份真空濃縮並將殘餘物置於異丙醚中攪拌,過濾並真空乾燥。
產率:1.0g(5%之理論值)
LC-MS(方法1):Rt=2.14min;MS(ESI+):m/z=259[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.46(d,1H),8.43(s,1H),8.34(s,
1H),8.23(d,1H),8.01(dd,1H),7.90(s,1H),5.43(br.s,1H),4.58(s,2H)。
將400mg(1.7mmol)從實例51A得來之化合物及328mg(1.7mmol)從實例8A得來之化合物溶於4ml乙醇中,並加入59mg(0.3mmol)對甲苯磺酸。將混合物置於單模微波(Emrys Optimizer)中於120℃反應1h。冷卻至RT後,將反應混合物濃縮並將殘餘物以製備式HPLC純化(RP 18管柱;移動相:添加0.1%甲酸水溶液之乙腈/水梯度)。藉由添加0.2ml的4N氯化氫之二噁烷溶液將由此得到的甲酸鹽轉變為鹽酸鹽。
產率:4mg(1%之理論值)
LC-MS(方法8):Rt=1.73min;MS(ESI+):m/z=338[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.35(s,1H),8.47(s,1H),8.47(s,1H),8.33(s,1H),7.05(s,1H),3.75-3.65(m,4H),1.67-1.64(m,2H),1.57-1.55(m,4H)。
將3.7g(16.5mmol)從實例3A得來之化合物、2.4g從實例7A得來之化合物及0.6g(3.3mmol)對甲苯磺酸置於10ml乙醇及5ml THE混合物中,於單模微波(Emrys Optimizer)以140℃反應1h。將由此分離出的沉澱濾出,以乙醇及乙醚混合物清洗過濾器上的殘餘物並將產物真空乾燥。
產率:0.8g(17%之理論值)
LC-MS(方法10):Rt=0.47min;MS(ESI+:m/z=273[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.53(s,1H),8.38(s,1H),8.20(s,111),7.85(s,1H),7.22(s,1H),3.21(s,6H)。
將280mg(1.3mmol)從實例3A得來之化合物、250mg(1.3mmol)從實例10A之化合物及46mg(0.3mmol)對甲苯磺酸之5ml THF混合物置於單模微波(Emrys Optimizer)中於170℃反應30min。將2ml甲酸加到反應溶液後,將沉澱的固體濾出,以3ml的4N氯化氫之二噁烷溶液攪拌,再次過濾,以乙醚清洗並真空乾燥。
產率:181mg(40%之理論值)
LC-MS(方法8):Rt=1.50min;MS(ESI+)m/z=306[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.66(s,1H),8.48(s,1H),8.44(s,1H),8.33-8.25(m,2H),7.90(s,1H)。
將278mg(1.3mmol)從實例42A得來之化合物、250mg(1.3mmol)從實例8A得來之化合物及46mg(0.3mmol)對甲苯磺酸之5ml THF混合物置於單模微波(Emrys Optimizer)中於170℃反應30min。冷卻至RT後,將反應混合物濃縮,並以製備式HPLC純化殘餘物(RP 18管柱;移動相:乙腈/水梯度於水中添加0.1%甲酸)。藉由添加2ml的4N氯化氫之二噁烷溶液將由此得到的甲酸鹽轉變為鹽酸鹽。以乙醚清洗產物並真空乾燥。
產率:60mg(13%之理論值)
LC-MS(方法8):Rt=1.04min;MS(ESI+):m/z=307[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.49(s,1H),8.67(s,1H),8.60(s,1H),8.39-8.25(m,2H),8.06(s,1H),7.85(s,1H)。
將1.1ml(1.6g,13.8mmol)TFA加到7.3g(34.6mmol)從實例3A得來之化合物及6.0g(41.5mmol)從實例7A得來之化合物之70ml乙醇混合物中,並將混合物於100℃攪拌20h。將沉澱的固體濾出並將濾液真空濃縮。將殘餘物懸浮於100ml乙醇中,加入30ml的30%濃度甲醇鈉之甲醇溶液並將混合物於RT攪拌1.5h。加入42ml的4N氯化氫之二噁烷溶液(pH=5-6)及攪拌30min後,將固體濾出,先以乙醇清洗然後以乙醚清洗,以及真空乾燥。於乙醇及乙腈中攪拌數次進行進一步之純化。然後加入10ml的4N氯化氫之二噁烷溶液並將混合物於RT攪拌16h。將產物濾出,先以乙腈清洗,然後以乙醚清洗並真空乾燥。
產率:7.9g(76%之理論值)
LC-MS(方法8):Rt=1.20min;MS(ESI+):m/z=264[M+H]+;
1H-NMR(400MHz,DMSO-d6):δ=8.97(s,1H),8.59(s,1H),8.47(s,1H),8.43(s,1H),7.89(s,1H)。
將76μl(112mg,1.0mmol)TFA加到683mg(2.5mmol)從實例44A得來之化合物及711mg(2.7mmol)從實例30A得來之化合物之10ml乙醇混合物中,並將混合物於100℃攪拌16h。添加10ml甲酸後,將反應溶液以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度於水中添加0.1%甲酸)。藉由添加2ml的4N氯化氫之二噁烷溶液將得到的甲酸鹽轉變為鹽酸鹽。將其以乙醚清洗並真空乾燥。
產率:315mg(25%之理論值)
LC-MS(方法10):Rt=0.65min;MS(ESI+):m/z=449[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=11.42(br.s,1H),8.54(s,1H),8.35(s,1H),8.19(s,1H),8.14(s,1H),7.56(s,1H),4.51(br.s,2H),3.53-3.37(m,4H),3.13-2.97(m,4H),2.24-2.14(m,2H),2.03-1.68(m,
5H)。
將369mg(1.3mmol)從實例44A得來之化合物、250mg(1.3mmol)從實例10A得來之化合物及46mg(0.3mmol)對甲苯磺酸之5ml THE混合物置於單模微波(Emrys Optimizer)中於170℃反應30min。添加2ml甲酸至反應溶液後,將沉澱的固體濾出,以3ml的4N氯化氫之二噁烷溶液攪拌,再次過濾,先以乙腈清洗然後以乙醚清洗並真空乾燥。
產率:163mg(30%之理論值)
LC-MS(方法10):Rt=1.06min;MS(ESI+):m/z=374[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.65(s,1H),8.45(s,1H),8.38-8.23(m,2H),8.19(s,1H),8.15(s,1H)。
將200mg(1.0mmol)從實例42A得來之化合物及133mg(1.0mmol)從實例4A得來之化合物溶於2ml乙醇中,並加入44mg(0.2mmol)樟腦-10-磺酸。將混合物回流攪拌12h。將冷卻的反應混合物真空濃縮。以製備式HPLC純化二次後(RP 18管柱;移動相:乙腈/水梯度添加0.1%甲酸),將1ml的4N氯化氫之二噁烷溶液加到產物餾份中,將混合物攪拌1h,於旋轉蒸發器上完全移除溶劑並將殘餘物真空乾燥。
產率:86mg(31%之理論值)
LC-MS(方法1):Rt=1.77min;MS(ESI+):m/z=258[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.50(s,1H),8.51(s,1H),8.47(s,1H),8.29(d,1H),8.09-8.01(m,2H),7.87(s,1H),3.58(s,2H)。
將8.3g(27.7mmol)從實例44A得來之化合物、4.0g(27.7mmol)從實例7A得來之化合物及1.0g(5.5mmol)對甲苯磺酸置於10ml
乙醇及5ml THE混合物中,於單模微波(Emrys Optimizer)以140℃反應1h。將分離的沉澱濾出,以乙醇及乙醚之混合物清洗過濾器上的殘餘物並將產物真空乾燥。
產率:1.3mg(14%之理論值)
LC-MS(方法10):Rt=0.84min;MS(ESI+):m/z=340[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.50(s,1H),8.24(s,1H),8.15(s,1H),8.11(s,1H),7.28(s,1H),2.54(s,6H)。
表5中所列之化合物係類似所給的實例由對應的分離物所製備:
將3.2g(15.0mmol)從實例3A得來之化合物先導入100ml乙醇中。加入3.1g(15.0mmol)從實例22A得來之化合物及571mg(3.0mmol)對甲苯磺酸單水合物,並將混合物回流攪拌16h。然後將混合物濃縮並將殘餘物以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1%TFA)。將含產物之餾份組合,移除大多數的溶劑並將形成的固體過濾出。將其於高真空下乾燥然後加入4N氯化氫之二噁烷溶液。將混合物於RT攪拌1h並將固體濾出及於高真空下乾燥。
產率:1.6g(28%之理論值)
LC-MS(方法1):Rt=3.32min;MS(ESI+):m/z=329[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.94(s,1H),8.53(s,1H),8.50-8.40(m,3H),7.91(s,1H),1.58(s,9H)。
將3.1g(15.0mmol)從實例42A得來之化合物先導入100ml乙醇中。加入3.1g(15.0mmol)從實例22A得來之化合物及571mg(3.0mmol)對甲苯磺酸單水合物並將混合物先於RT攪拌16h。隨後另再回流攪拌24h然後移除溶劑。將殘餘物以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1%TFA)。將產物餾
份組合並移除大部分包含在其中的乙腈。將剩餘的溶液凍乾。將4N氯化氫之二噁烷溶液加到此凍乾物中並將混合物於RT攪拌1h。將固體濾出並於高真空下乾燥。
產率:1.3g(23%之理論值)
LC-MS(方法7):Rt=0.99min;MS(ESI+):m/z=328[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.55(s,1H),8.94(s,1H),8.70(s,1H),8.53-8.42(m,2H),8.10(s,1H),7.88(s,1H),1.58(s,9H)。
將4.2g(15.0mmol)從實例44A得來之化合物先導入100ml乙醇中。加入3.1g(15.0mmol)從實例22A得來之化合物及571mg(3.0mmol)對甲苯磺酸單水合物並將混合物於RT攪拌16h。然後移除溶劑並將殘餘物以製備式HPLC純(RP 18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將產物餾份組合並移除大部分包含在其中的乙腈及一些水。將形成的固體濾出並風乾。然後加入20ml的4N氯化氫之二噁烷溶液並將混合物於RT攪拌1h。將固體濾出並再次經由製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將產物餾份組合,加入1N鹽酸並將混合物冷
凍乾燥。
產率:750mg(12%之理論值)
LC-MS(方法7):Rt=2.10min;MS(ESI+):m/z=396[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.93(s,1H),8.59-8.38(m,3H),8.19(s,1H),8.14(s,1H),1.59(s,9H)。
將50mg(0.1mmol)從實例62A得來之化合物溶於1ml的1:1二氯甲烷及TFA混合物中並將混合物於RT攪拌1h。將反應溶液真空濃縮,將殘餘物懸浮於2ml 1N鹽酸中,然後將懸浮液冷凍乾燥。
產率:42mg(99%之理論值)
LC-MS(方法9):Rt=0.82min;MS(ESI+):m/z=273[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.99(s,1H),8.53(s,1H),8.51-8.41(m,3H),7.91(s,1H)。
表6所列之目標化合物之製備係類似化合物65來進行:
將491mg(1.8mmol,80%純度)從實例3A得來之化合物及289mg(1.6mmol)6-肼基菸鹼酸乙酯[製備請參見WO 2006/114213]於10ml乙酸中在RT係攪拌12h。之後,再次將120mg(0.7mmol)6-肼基菸鹼酸乙酯加到反應混合物中並將混合物再次於RT攪拌13h。於RT另再留置2天後,將反應溶液真空濃縮,將殘餘物置於
乙酸乙酯中處理,將混合物以飽和的碳酸氫鈉溶液清洗中和並將有機層以硫酸鎂乾燥,過濾並於旋轉蒸發器上濃縮。將此法中得到的中間產物溶於10ml乙醇,加入0.3ml(1.8mmol)的30%濃度甲醇鈉之甲醇溶液並將混合物於RT攪拌17h。將反應溶液以1N鹽酸調整至pH 5,並隨後於RT另再攪拌2h。將其真空濃縮,於殘餘物中加入乙腈,將分離的沉澱過濾出及以乙醚清洗過濾器上的殘餘物並真空乾燥。將9.4ml 0.1M氫氧化鉀之乙醇溶液加到此法所得到的酯中並將混合物於RT攪拌16h。以1N鹽酸將反應溶液調整至pH 2,於旋轉蒸發器上移除溶劑,以水處理殘餘物並以乙酸乙酯萃取混合物。將沉澱的結晶過濾出,以乙醚清洗過濾器上的殘餘物並將產物真空乾燥。
產率:32mg(7%之理論值)
LC-MS(方法1):Rt=2.31min;MS(ESI+):m/z=273[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=13.49(br.s,1H),9.00(s,1H),8.71-8.33(m,4H),8.41(s,1H)。
將2.7g(13.1mmol)實例化合物3A、2.0g(13.1mmol)實例化
合物6A及1.1g(6.5mmol)對甲苯磺酸於50ml乙醇中回流攪拌16h。將50ml DMF加到冷卻的反應混合物中然後於130℃槽溫度另再攪拌10h。將反應溶液真空濃縮並將10ml乙醇及1ml濃硫酸加到殘餘中。隨後將混合物於沸點攪拌12h。將水加到冷卻的反應混合物中,將固體濾出,以乙醇清洗過濾器上的殘餘物並將產物真空乾燥。
產率:0.14g(3%之理論值)
LC-MS(方法9):Rt=2.89min;MS(ESI+):m/z=300[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.00(s,1H),8.57-8.54(m,1H),8.53-8.46(m,2H),8.45(s,1H),7.91(s,1H),4.38(q,2H),1.35(t,3H)。
將83mg(0.2mmol)實例化合物32置於5ml的4M氯化氫之二噁烷溶液中於RT攪拌2h。之後,將混合物真空濃縮並將殘餘物以製備式HPLC層析(RP 18管柱;梯度:乙腈/水添加0.1% TFA)。將組合的產物餾份濃縮並將2ml 1N鹽酸加到殘餘物中。將生成的懸浮液冷凍乾燥。將凍乾物置於乙醇中攪拌,濾出固體並將晶體真空乾燥。
產率:10mg(14%之理論值)
LC-MS(方法8):Rt=0.76min;MS(ESI+):m/z=258[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.64(s,1H),8.53(s,3H),8.47(s,2H),8.31(s,1H),8.18(s,1H),7.91(s,1H),4.12-4.10(m,2H)。
將1.9g(8.8mmol)從實例3A得來之化合物及1.9g(9.7mmol)從實例16A得來之化合物先導入25ml乙酸乙酯並於RT下加入504mg(4.4mmol)TFA。將混合物回流攪拌16h,然後冷卻至5℃及隨後另再攪拌2h。將形成的固體濾出,以乙酸乙酯清洗並先風亁之後再於高真空下乾燥。得到1.7g的產物。
將母液與清洗液組合並移除溶劑。根據LC-MS,該殘餘物(2.4g)仍含有中間物2-(6-嗎啉-4-基嘧啶-4-基)肼基]-2-(1H-1,2,3-三唑-1-基)丙-2-烯酸乙酯(環化之中間物階段),將其直接用於製備實例72(參見實例72)。
產率:1.7g(61%之理論值)
LC-MS(方法9):Rt=0.90min;MS(ESI+):m/z=315[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.42(s,1H),8.38(s,1H),8.01(s,1H),7.73(s,1H),7.70(s,1H),3.71-3.65(m,4H),3.57-3.51(m,4H)。
第1批:將7.5ml的4N氯化氫之二噁烷溶液加到1.7g(5.4mmol)從實例71得來之化合物中。將混合物於RT攪拌,加入5ml二噁烷並將混合物於RT攪拌16h。將固體濾出,並以5ml二噁烷清洗。將混合物於真空下乾燥16h,然後加入10ml甲醇並將混合物於RT攪拌1h。將固體濾出,以4ml甲醇清洗並於高真空下乾燥。得到1.6g標題化合物。
第2批:如下得到另量的標題化合物:將於合成實例化合物71期間,由母液得來之殘餘物(2.4g),其含有環化作用之開環中間物狀態3-[2-(6-嗎啉-4-基嘧啶-4-基)肼基]-2-(1H-1,2,3-三唑-1-基)丙-2-烯酸乙酯,溶於12ml乙醇中並於RT加入1.5ml 30%濃度的甲醇鈉之甲醇溶液,同時攪拌。隨後將混合物於RT攪拌45min,然後以2N鹽酸調整至pH 5並隨後於RT另再攪拌16h。將混合物冷卻至10℃並將固體濾出及以3.5ml二噁烷清洗。將混合物於高真空下乾燥16h,然後加入5ml甲醇並隨後將混合物於RT攪拌1h。將固體濾出,以2ml甲醇清洗並於高真空下乾燥,於此
法得到另外997mg的標題化合物。
產率:共為2.6g(83%之理論值)
LC-MS(方法6):Rt=0.89min;MS(ESI+):m/z=315[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.54(s,1H),8.39(s,1H),8.28(s,1H),7.88(s,1H),7.42(s,1H),3.71(s,8H)。
將209mg(1.0mmol)從實例42A得來之化合物溶於7ml THF中。於RT下加入195mg(1.0mmol)從實例16A得來之化合物及38mg(0.2mmol)對甲苯磺酸單水合物,然後將混合物置於單模微波(CEM Explorer)中於150℃反應1h。然後將得到的混合物直接以HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1% TFA)。
產率:71mg(17%之理論值)
LC-MS(方法1):Rt=2.03min;MS(ESI+):m/z=314[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.38(s,1H),8.57(s,1H),8.31(s,1H),8.02(s,1H),7.79(s,1H),7.47(s,1H),3.72(s,8H)。
將0.5ml的4N氯化氫之二噁烷溶液加到60mg(0.1mmol)從實例73A得來之化合物並將混合物於RT攪拌1h。將固體濾出,每次以0.5ml二噁烷清洗二次並隨後真空乾燥。
產率:46mg(94%之理論值)
LC-MS(方法1):Rt=0.91min;MS(ESI+):m/z=314[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.46(s,1H),8.57(s,1H),8.35(s,1H),8.06(s,1H),7.82(s,1H),7.46(s,1H),3.73(s,8H)。
將309mg(1.0mmol)從實例44A得來之化合物溶於7ml THF
中。於RT加入195mg(1.0mmol)從實例16A得來之化合物及38mg(0.2mmol)對甲苯磺酸單水合物然後將混合物置於單模微波(CEM Explorer)中於150℃反應1h。隨後將得到的混合物直接以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將得到的產物餾份組合並移除溶劑。將4N氯化氫之二噁烷溶液加到殘餘物中。將混合物於RT攪拌1h並將固體濾出,以及於高真空下乾燥。
產率:77mg(19%之理論值)
LC-MS(方法7):Rt=1.31min;MS(ESI+):m/z=382[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.53(s,1H),8.33(s,1H),8.18(s,1H),8.13(s,1H),7.49(s,1H),3.67(s,8H)。
將976mg(純度72%,3.0mmol)從實例45A得來之化合物先導入20ml THF中。加入586mg(3.0mmol)從實例16A得來之化合物及114mg(0.6mmol)對甲苯磺酸單水合物然後將混合物置於單模微波(CEM Explorer)中於150℃反應1h。然後將反應混合物
先以層析於矽膠上預純化(Biotage層析;移動相:二氯甲烷/甲醇10:1添加少許氨水溶液)。然後將此法所得到的粗產物再以製備式HPLC純化二次(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將HPLC層析之產物餾份組合,加入相同體積的水並進行冷凍乾燥。
產率:11mg(1%之理論值)
LC-MS(方法4):Rt=1.54min;MS(ESI+):m/z=339[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.53(s,1H),8.42(s,1H),8.29(s,1H),8.19(s,1H),7.46(s,1H),3.70-3.64(m,8H)。
將976mg(純度72%,3.0mmol)從實例45A得來之化合物先導入20ml THF中。加入586mg(3.0mmol)從實例16A得來之化合物及114mg(0.6mmol)對甲苯磺酸單水合物然後將混合物置於單模微波(CEM Explorer)中於150℃反應1h。將反應混合物先以層析於矽膠上預純化(Biotage層析;移動相:二氯甲烷/甲醇10:1添加少許氨水溶液)。然後將此法所得到的粗產物再以製備式
HPLC純化二次(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將HPLC層析之產物餾份組合,將混合物真空濃縮,將殘餘物置於1M鹽酸中處理,並將溶液冷凍乾燥。
產率:14mg(1.2%之理論值)
LC-MS(方法10):Rt=0.47min;MS(ESI+):m/z=357[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.20(s,1H),8.57(s,1H),8.53(s,1H),8.29(s,1H),8.23(br.s,1H),7.80(br.s,1H),7.49(s,1H),3.72(s,8H)。
將500mg(純度72%,1.5mmol)從實例45A得來之化合物先導入11ml THF中。加入322mg(1.5mmol)從實例22A得來之化合物及58mg(0.3mmol)對甲苯磺酸單水合物並將混合物置於單模微波(CEM Explorer)中於150℃反應3h。之後,將混合物直接以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將產物餾份組合,加入1N氯化氫之二噁烷溶液並將混合物於RT攪拌1h。將沉澱濾出,以每次0.5ml二噁烷清洗二次並於高真空下乾燥。
產率:144mg(24%之理論值)
LC-MS(方法8):Rt=2.10min;MS(ESI+):m/z=353[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.94(s,1H),8.54-8.42(m,4H),8.20(s,1H),1.58(s,9H)。
表7中所列之化合物係類似所給的實例由對應的分離物所製備。亦可應用甲苯-4-磺酸單水合物取代樟腦-10-磺酸。
將631mg(3.0mmol)從實例3A得來之化合物及586mg(3.0mmol)從實例3A得來之化合物先導入10ml乙醇中。加入114mg(0.6mmol)對甲苯磺酸單水合物並將混合物於RT下攪拌16h。然後移除溶劑並將殘餘物以製備式HPLC純化(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將產物餾份組合並濃縮,以及將殘餘物於高真空下乾燥。加入10ml的4N氯化氫之二噁烷溶液,並將混合物於RT下攪拌1h。將固體濾出,以第三丁基甲基醚清
洗並於高真空下乾燥。
產率:260mg(25%之理論值)
LC-MS(方法8):Rt=1.77min;MS(ESI+):m/z=315[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.47-8.42(m,2H),8.35(s,1H),8.22(d,1H),7.99(dd,1H),7.90(s,1H),4.50(s,2H),1.25(s,9H)。
將631mg(3.0mmol)從實例3A得來之化合物及531mg(3.0mmol)從實例25A得來之化合物先導入10ml乙醇中。加入114mg(0.6mmol)對甲苯磺酸單水合物並將混合物於RT下攪拌16h。然後將其濃縮並將殘餘物以製備式HPLC純化(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將產物餾份組合,移除溶劑並將殘餘物於高真空下乾燥。加入20ml的4N氯化氫之二噁烷溶液並將混合物於RT下攪拌1h。將固體濾出,以第三丁基甲基醚清洗並於高真空下乾燥。
產率:231mg(23%之理論值)
LC-MS(方法8):Rt=1.65min;MS(ESI+):m/z=297[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.81(d,1H),8.70(s,1H),8.59(s,
1H),8.47(s,1H),7.92(s,1H),7.77(d,1H)。
將171mg(0.8mmol)從實例3A得來之化合物及455mg(純度35%,0.8mmol)從實例12A得來之化合物先導入7ml乙醇中。加入31mg(0.2mmol)對甲苯磺酸單水合物並將混合物回流攪拌64h。之後,將其濃縮並將殘餘物以製備式HPLC純化(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將產物餾份組合,移除溶劑並將殘餘物於高真空下乾燥。
產率:28mg(11%之理論值)
LC-MS(方法10):Rt=1.17min;MS(ESI+):m/z=315[M+H]+;1H-NMR(500MHz,DMSO-d6):δ=8.42(s,1H),8.29(s,1H),8.23(s,1H),8.18-8.08(m,1H),7.90(s,1 H),7.69(dd,1H),3.78(s,2H),1.02(s,9H)。
將2ml的4N氯化氫之二噁烷溶液加到22mg(0.1mmol)從實例84得來之化合物中並將混合物於RT下攪拌1h。將固體濾出並於高真空下乾燥。
產率:17mg(97%之理論值)
LC-MS(方法10):Rt=1.17min;MS(ESI+):m/z=315[M+H]+;1H-NMR(500MHz,DMSO-d6):δ=8.42(s,1H),8.29(s,1H),8.23(s,1H),8.18-8.08(m,1H),7.90(s,1H),7.69(dd,1H),3.78(s,2H),1.02(s,9H)。
將250mg(1.1mmol)從實例41A得來之化合物、207mg(1.1mmol)從實例16A得來之化合物及40mg(0.2mmol)對甲苯磺酸單水合物先導入10ml THF。將混合物置於單模微波(CEM Explorer)
中先於120℃反應3.5h然後再於130℃反應4h。讓混合物冷卻製RT,加入5ml乙腈並將混合物留置24h。將上清液倒出並將沉澱以乙腈清洗一次。將清洗液與倒出的上清液組合並將混合物濃縮。將此法中得到的殘餘物以製備式HPLC純化(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將含有產物之餾份組合並濃縮。將固體殘餘物置於少許第三丁基甲基醚及數滴的乙腈中攪拌二次。每次都將上清液倒出,最後將固體於高真空下乾燥。
產率:15mg(3%之理論值)
LC-MS(方法4):Rt=1.57min;MS(ESI+):m/z=340[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.58(s,1H),8.24(s,1H),7.42(s,1H),3.80-3.63(m,8H)。
將3ml的4N氯化氫之二噁烷溶液加到18mg(0.04mmol)從實例86得來之化合物並將混合物於RT下攪拌1h。將固體濾出,以第三丁基甲基醚清洗並於高真空下乾燥。
產率:15mg(97%之理論值)
LC-MS(方法8):Rt=1.38min;MS(ESI+):m/z=340[M+H]+;
1H-NMR(400MHz,DMSO-d6):δ=8.58(s,1H),8.25(s,1H),7.41(s,1H),3.82-3.57(m,8H)。
將348mg(1.7mmol)從實例3A得來之化合物及300mg(1.7mmol)從實例11來之化合物先導入6ml THF及6ml乙醇之混合物中。加入63mg(0.3mmol)對甲苯磺酸單水合物並將混合物置於單模微波(CEM Explorer)中於130℃反應1.5h。讓混合物冷卻至RT,另將50mg從實例3A得來之化合物及一小撮的對甲苯磺酸單水合物加到混合物中,並將混合物於150℃加熱1h。讓其冷卻至室溫並將液體從固體中倒出,以及將固體以THF清洗數次(第1批固體)。將倒出的上清液及清洗溶液組合,將混合物濃縮並將5ml乙醇和5ml THF液以及一小撮的對甲苯磺酸單水合物加到所得到的殘餘物中。將混合物再次置於單模微波(CEM Explorer)中於150℃反應2h。讓其冷卻至RT並將形成的固體過濾出(第2批固體)。將濾液濃縮,於殘餘物中加入3ml DMSO並將殘餘物以製備式HPLC進行純化(RP18管柱;移動相:乙腈/水梯度添加0.1%
TFA)。將含有產物之餾份組合並濃縮。將殘餘物溶於乙醇中,加入少許THF並將混合物濃縮,有沉澱形成。將固體濾出並以THF清洗(第3批固體)。將所得到的三批固體組合並將此混合物於高真空下乾燥。
產率:108mg(22%之理論值)
LC-MS(方法8):Rt=1.00min;MS(ESI+):m/z=301[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.47(s,1H),8.36(s,1H),8.18(s,1H),7.84(s,1H),6.97(s,1H),5.92(d,1H),4.69-4.49(m,1H),4.41-4.33(m,2H),3.95-3.86(m,2H)。
將3ml的4N氯化氫之二噁烷溶液加到105mg(0.4mmol)從實例88A得來之化合物中並將混合物於RT下攪拌1h。將固體濾出,以第三丁基甲基醚清洗並於高真空下乾燥。
產率:117mg(99%之理論值)
LC-MS(方法8):Rt=0.99min;MS(ESI+):m/z=301[M+H]+;
1H-NMR(400MHz,DMSO-d6):δ=8.50(s,1H),8.38(s,1H),8.22(s,1H),7.87(s,111),6.95(s,1H),4.68-4.60(m,1H),4.43-4.35(m,2H),3.97-3.88(m,2H)。
將262mg(1.3mmol)從實例42A得來之化合物及172mg(1.3mmol)從實例26A得來之化合物先導入5ml乙醇中。加入48mg(0.3mmol)對甲苯磺酸單水合物並將混合物於RT下攪拌24h。然後將混合物冷卻至RT,在此期間有產物結晶出。將晶體濾出並各以乙醇及石油醚清洗一次。隨後將產物於高真空下乾燥。
產率:65mg(20%之理論值)
LC-MS(方法8):Rt=0.92min;MS(ESI+):m/z=256[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.23(s,1H),8.15(s,1H),8.07(s,2H),7.52(s,1H),7.08(s,1H),2.36(s,3H),2.26(s,3H)。
將5ml的4N氯化氫之二噁烷溶液加到200mg(0.5mmol)從實例90A得來之化合物中並將混合物於RT下攪拌1h。然後將固體濾出,各以二噁烷及第三丁基甲基醚清洗一次並於高真空下乾燥。
產率:117mg(74%之理論值)
LC-MS(方法10):Rt=0.28min;MS(ESI+):m/z=256[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.50(s,1H),8.40(s,1H),8.26(s,1H),8.13(s,1H),8.08(s,1H),7.87(s,1H),2.40(s,3H),2.28(s,3H)。
將233mg(1.0mmol,純度90%)從實例42A得來之化合物先導入4ml乙醇中。加入260mg(1.0mmol,純度75%)從實例12A得來之化合物及38mg(0.2mmol)對甲苯磺酸單水合物並將混合物回流攪拌16h。然後讓混合物冷卻至RT,將沉澱的固體濾出並
以少許的乙醇清洗,以及將固體於高真空下乾燥。將過濾的母液經由製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1% TFA),得到另量的目標化合物。
產率:264mg(78%之理論值)
LC-MS(方法10):Rt=0.88min;MS(ESI+):m/z=314[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.22-8.08(m,4H),7.67-7.62(dd,1H),7.52(s,1H),7.10(s,1H),3.75(s,2H),1.02(s,9H)。
將5ml的4N氯化氫之二噁烷溶液加到200mg(0.638mmol)從實例92得來之化合物中並將混合物於RT下攪拌30min。隨後將固體濾出,以二噁烷清洗一次及以第三丁基甲基醚清洗二次並隨後於高真空下乾燥。
產率:129mg(64%之理論值)
LC-MS(方法10):Rt=0.87min;MS(ESI+):m/z=314[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.52(s,1H),8.46(s,1H),8.22(d,1H),8.18-8.15(d,1H),8.07(s,1H),7.87(s,1H),7.71-7.68(dd,1H),3.79(s,2H),1.02(s,9H)。
將347mg(1.3mmol)從實例44A得來之化合物及171mg(1.3mmol)從實例26A得來之化合物先導入5ml乙醇中。加入48mg(0.3mmol)對甲苯磺酸單水合物並將混合物回流攪拌16h。將反應溶液以製備式HPLC純化(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將含產物之餾份組合並部分濃縮。將固體濾出,以水清洗並於高真空下乾燥。
產率:84mg(15%之理論值)
LC-MS(方法8):Rt=1.88min;MS(ESI+):m/z=324[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.27(s,1H),8.25(s,1H),8.18(s,1H),8.15(s,1H),8.08(s,1H),2.38(s,3H),2.27(s,3H)。
將2.5ml的4N氯化氫之二噁烷溶液加到80mg(0.2mmol)從實例49得來之化合物中並將混合物於RT下攪拌1h。將固體濾出,各以二噁烷及第三丁基甲基醚清洗一次並隨後於高真空下乾燥。
產率:65mg(99%之理論值)
LC-MS(方法10):Rt=1.03min;MS(ESI+):m/z=324[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.27(s,1H),8.25(s,1H),8.18(s,1H),8.13(s,1H),8.07(s,1H),2.37(s,3H),2.27(s,3H)。
將308mg(1.0mmol,純度90%)從實例44A得來之化合物先導入4ml乙醇中。加入260mg(1.0mmol,純度75%)從實例12A得來之化合物及38mg(0.2mmol)對甲苯磺酸單水合物並將混合物回流攪拌16h。之後,將其濃縮並將殘餘物經由製備式HPLC
純化(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將含產物之餾份組合並移除溶劑。將5ml的4N氯化氫之二噁烷溶液加到殘餘物中並將混合物攪拌30min。將固體濾出並於高真空下乾燥。
產率:140mg(34%之理論值)
LC-MS(方法10):Rt=1.38min;MS(ESI+):m/z=382[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.29(s,1H),8.21-8.12(m,4H),7.71-7.68(dd,1H),3.76(s,2H),1.02(s,9H)。
將345mg(2.0mmol)3-羥基氮呾1-第三丁酯先導入15ml二噁
烷中。於RT下加入1ml(2.0mmol)的2M磷腈(phosphazene)鹼P2-第三丁基之THE溶液。隨後將混合物於RT下攪拌15min並加入350mg(1.3mmol)從實例52A得來之化合物。然後將混合物置於單模微波(CEM Explorer)中於120℃反應1h。過濾將固體分離出,將反應溶液濃縮並隨後將殘餘物以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將含產物之餾份組合並部分濃縮。將固體濾出,以水清洗並於高真空下乾燥。
產率:82mg(12%之理論值)
LC-MS(方法10):Rt=0.98min;MS(ESI+):m/z=401[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.77(s,1H),8.61(s,1H),8.43(s,1H),7.90(s,1H),7.78(s,1H),5.47-5.38(m,1H),4.32-4.22(m,2H),3.96-3.86(m,2H),1.40(s,9H)。
將60mg(0.2mmol)3-({6-[5-酮基-4-(1H-1,2,3-三唑-1-基)-2,5-二氫-1H-吡唑-1-基]嘧啶-4-基}氧基)氮呾1-第三丁酯懸浮於2ml二氯甲烷中。加入1ml TFA並將混合物於RT下攪拌1h。之後,
將混合物濃縮並將殘餘物於高真空下乾燥。然後將3ml的4N氯化氫之二噁烷溶液加到殘餘物中並將混合物於RT下攪拌1h。然後將固體濾出,各以二噁烷及第三丁基甲基醚清洗一次並於高真空下乾燥。
產率:54mg(97%之理論值)
LC-MS(方法8):Rt=0.80min;MS(ESI+):m/z=301[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.50(br.s,1H),9.37(br.s,1H),8.80(s,1H),8.63(s,1H),8.44(s,1H),7.90(s,1H),7.80(s,1H),5.57-5.48(m,1H),4.43-4.32(m,2H),4.18-4.07(m,2H)。
將150mg(0.6mmol)從實例41A得來之化合物先導入2.5ml乙醇中。加入166mg(0.6mmol,純度75%)從實例12A得來之化合物及24mg(0.1mmol)對甲苯磺酸單水合物並將混合物回流攪拌16h。將反應溶液直接以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將含產物之餾份組合並濃縮。將1ml的4N氯化氫之二噁烷溶液加到所得到的殘餘物中並將混合物於RT下攪拌1h。將混合物濃縮並將殘餘物於高真空下乾燥。
產率:3mg(1%之理論值)
LC-MS(方法8):Rt=2.42min;MS(ESI+):m/z=340[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.39(s,1H),8.41(s,1H),8.24(d,1H),8.12(d,1H),7.70(dd,1H),3.78(s,2H),1.03(s,9H)。
將150mg(0.6mmol)從實例41A得來之化合物先導入2.5ml乙醇中。加入178mg(0.6mmol)從實例22A得來之化合物及24mg(0.1mmol)對甲苯磺酸單水合物並將混合物回流攪拌16h。將反應溶液直接以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將含產物之餾份組合,將混合物濃縮並將殘餘物於高真空下乾燥。將5ml的4N氯化氫之二噁烷溶液加到所得到的殘餘物中並將混合物於RT下攪拌30min。將固體濾出,以第三丁基甲基醚清洗並於高真空下乾燥。
產率:21mg(8%之理論值)
LC-MS(方法7):Rt=1.96min;MS(ESI+):m/z=354[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.39(s,1H),8.94(s,1H),8.63(s,1H),8.46(s,2H),1.58(s,9H)。
將400mg(1.3mmol)從實例53A得來之化合物、518mg(4.0mmol)N,N-二異丙胺及293mg(2.6mmol)氮呾-3-醇鹽酸鹽懸浮於8ml乙醇中。將混合物置於單模微波(CEM Explorer)中於120℃反應30min。過濾後,將反應溶液經由製備式HPLC純化(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將含產物之餾份濃縮並將殘餘物於5ml第三丁基甲基醚及10ml甲醇中攪拌,然後抽氣過濾。之後,將其再次以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將含產物之餾份組合,將混合物濃縮並將殘餘物於高真空下乾燥。
產率:115mg(21%之理論值)
LC-MS(方法8):Rt=0.80min;MS(ESI+):m/z=300[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.38(s,1H),8.50(s,1H),8.23(s,1H),8.02(t,1H),7.80(t,1H),6.97(s,1H),4.70-4.61(m,1H),4.47-4.38(m,2H),3.98-3.90(m,2H)。
將100mg(0.2mmol)從實例100得來之化合物與3ml的4N氯化氫之二噁烷溶液攪拌。將固體濾出,以第三丁基甲基醚清洗二次並於高真空下乾燥。
產率:78mg(96%之理論值)
LC-MS(方法8):Rt=0.80min;MS(ESI+):m/z=300[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.42(s,1H),8.50(s,1H),8.25(s,1H),8.03(t,1H),7.82(t,1H),6.97(s,1H),4.69-4.60(m,1H),4.47-4.37(m,2H),3.99-3.90(m,2H)。
將200mg(0.7mmol)從實例52A得來之化合物於氬氣下懸浮於1.1ml DMF中。加入61mg(1.0mmol)乙硫醇(ethanethiol)。小心地加入35mg(0.8mmol,60%濃度之礦物油溶液)氫化鈉,同時以冰冷卻。將混合物於RT下攪拌2.5h。隨後逐滴加入1ml水並隨後將混合物於RT下攪拌15min。將得到的澄清反應溶液直接以製備式HPLC純化(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將含產物之餾份組合,將混合物濃縮並將殘餘物於高真空下乾燥。
產率:39mg(18%之理論值)
LC-MS(方法10):Rt=0.81min;MS(ESI+):m/z=290[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.90(s,1H),8.60(s,1H),8.44(s,1H),8.27(s,1H),7.90(s,1H),3.20(q,2H),1.35(t,3H)。
將35mg(0.1mmol)從實例102得來之化合物與1.5m地4N氯化氫之二噁烷溶液攪拌。將固體濾出,以第三丁基甲基醚清洗二次並於高真空下乾燥。
產率:36mg(90%之理論值)
LC-MS(方法10):Rt=0.80min;MS(ESI+):m/z=290[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.90(s,1H),8.62(s,1H),8.44(s,1H),8.26(s,1H),7.91(s,1H),3.21(q,2H),1.35(t,3H)。
將200mg(0.7mmol)從實例52A得來之化合物於氬氣下溶於2ml DMF。逐滴加入131mg(1.0mmol)2-(二乙基胺基)乙硫醇並將混合物冷卻至0℃。加入35mg(0.8mmol,60%濃度之礦物油溶液)氫化鈉並讓將混合物升溫至RT以及於RT下攪拌2.5h。隨後緩慢地加入3ml水並將混合物攪拌15min。將沉澱濾出並將濾液濃縮。將此法所得到之殘餘物經由製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度添加0.1% TFA)。
產率:129mg(41%之理論值)
LC-MS(方法10):Rt=0.29min;MS(ESI+):m/z=361[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=9.42(br.s,1H),8.91(s,1H),8.49(s,1H),8.40(s,1H),8.37(s,1H),7.88(s,1H),3.58-3.51(m,2H),3.42-3.33(m,2H),3.28-3.20(m,4H),1.30-1.20(m,6H)。
將500mg(2.4mmol)從實例3A得來之化合物、600mg(2.4mmol)從實例31A得來之化合物及82mg(0.5mmol)對甲苯磺酸先導入8ml THE中並將混合物置於單模微波(Emrys Optimizer)中於170℃反應30min。冷卻至RT後,將殘餘物直接以製備式HPLC純化(RP 18管柱;移動相:乙腈/水梯度於水中添加0.1%甲酸)。藉由添加4ml的4N氯化氫之二噁烷溶液將由此得到的甲酸鹽轉變為鹽酸鹽。以乙醚清洗產物並真空乾燥。
產率:212mg(20%之理論值)
LC-MS(方法11):Rt=2.79min;MS(ESI+):m/z=372[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=11.28(br.s,1H),8.61(s,1H),8.41(s,1H),8.38(s,1H),7.90(s,1H),7.56(s,1H),4.64-4.43(m,2H),3.76(t,2H),3.65-3.51(m,4H),3.36-3.30(m,5H),3.23-3.08(m,2H)。
將2.9g(9.6mmol)從實例52A得來之化合物溶於40ml DMF中並得到一儲存溶液。
將23mg(0.1mmol)3,5-二甲基哌啶先導入200μl DMF中,並連續加入400μl(0.1mmol)實例化合物52A之儲存溶液及35mg(0.3mmol)碳酸鉀。將反應混合物於100℃下攪拌16h。就後續的處理,係將懸浮液過濾並將濾液以製備式LC-MS(方法16)層析。將產物餾份真空濃縮並將殘餘物乾燥。
產率:3mg(10%之理論值)
LC-MS(方法16):Rt=1.90min;MS(ESI+):m/z=341[M+H]+。
表8中所列之化合物係類似實例106之操作說明由0.1mmol實例化合物52A及0.1mmol對應的二級胺所製備:
將2.9g(9.6mmol)從實例53A得來之化合物溶於40ml DMF
中並得到一儲存溶液。
將19mg(0.1mmol)2,5-二甲基-2,5-二氫-IH-吡咯先導入200μl DMF中,並連續加入400μl(0.1mmol)實例化合物52A之儲存溶液及35mg(0.3mmol)碳酸鉀。將反應混合物於100℃下攪拌16h。就後續的處理,係將懸浮液過濾並將濾液以製備式LC-MS(方法16)層析。將產物餾份真空濃縮並將殘餘物乾燥。
產率:5mg(16%之理論值)
LC-MS(方法16):Rt=1.42min;MS(ESI+):m/z=324[M+H]+。
表9中所列之化合物係類似實例140之操作說明由0.1mmol實例化合物53A及0.1mmol對應的二級胺所製備:
將22mg(0.5mmol,60%濃度之礦物油溶液)氫化鈉於氬氣下懸浮於1ml DMF中。加入38mg(0.5mmol)1-N'-羥基乙脒("乙醯胺肟")並將混合物於50℃加熱,同時攪拌。一小時後,加入50mg(0.2mmol)從實例54A得來之化合物。將反應混合物於80℃下攪
拌12h。每次將各22mg(0.5mmol,60%濃度之礦物油溶液)氫化鈉及38mg(0.5mmol)1-N'-羥基乙脒之1ml DMF混合物先於50℃攪拌下加熱30min,隨後再連續加入二次,並於每次添加完後將混合物於80℃下再攪拌30min。之後,讓混合物冷卻並濃縮。將殘餘物溶於各2ml水、甲醇及1N鹽酸中並經由製備式HPLC純化(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。
產率:12mg(17%之理論值)
LC-MS(方法4):Rt=1.35min;MS(ESI+):m/z=330[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.58(s,1H),8.04(s,1H),7.29(s,1H),3.85-3.65(m,8H),2.23(s,3H)。
將10mg(0.02mmol)從實例177得來之化合物與4N氯化氫之二噁烷溶液於RT下攪拌2h。之後,將溶劑倒出並將固體連續以第三丁基甲基醚攪拌三次且每次皆把溶劑倒出。將剩餘的固體於高真空下乾燥。
產率:7mg(86%之理論值)
LC-MS(方法8):Rt=1.24min;MS(ESI+):m/z=330[M+H]+;
1H-NMR(400MHz,DMSO-d6):δ=8.58(s,1H),8.08(s,1H),7.29(s,1H),4.00-3.50(m,8H),2.23(s,3H)。
將0.3ml(6.6mmol)甲醇先導入15ml二噁烷中。緩慢加入1.3ml(2.7mmol)的2M磷腈鹼P2-第三丁基之THE溶液,同時攪拌並將混合物於RT下攪拌15min。隨後加入350mg(1.3mmol)從實例52A得來之化合物並將混合物置於單模微波(CEM Explorer)中於150℃反應2h。然後另加入2ml(49.2mmol)甲醇並將混合物再次置於單模微波(CEM Explorer)中於相同的條件下反應2h。冷卻後,將反應混合物濃縮並將殘餘物經由製備式HPLC純化(RP18管柱;移動相:乙腈/水梯度添加0.1% TFA)。將含產物之餾份組合並將混合物於旋轉蒸發器上濃縮。將殘餘物於高真空下乾燥並隨後加入3ml的4N氯化氫之二噁烷溶液。將混合物於RT下攪拌30min以及將固體濾出並於高真空下乾燥。
產率:60mg(15%之理論值)
LC-MS(方法7):Rt=0.82min;MS(ESI+):m/z=260[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.80(s,1H),8.59(s,1H),8.43(s,
1H),7.90(s,1H),7.70(s,1H),4.00(s,3H)。
將481mg(2.3mmol)從實例3A得來之化合物、600mg(2.3mmol)從實例30A得來之化合物及79mg(0.5mmol)對甲苯磺酸先導入8ml THE中並將混合物置於單模微波(Emrys Optimizer)中於170℃反應30min。就後續處理,係將反應混合物濃縮並將殘餘物經由製備式HPLC層析(方法17)。將產物餾份凍乾,之後加入水/乙腈(5:1)。將溶液加熱,以超音波處理並以Millipore過濾器(0.45μm)過濾。將濾液真空濃縮至乾。
產率:17mg(2%之理論值)
LC-MS(方法8):Rt=0.94min;MS(ESI+):m/z=382[M+H]+;1H-NMR(400MHz,DMSO-d6):δ=8.41(s,1H),8.35(s,1H),8.07(s,1H),7.70(s,1H),7.68(s,1H),4.43-4.23(m,2H),3.18-2.88(m,6H),2.14-2.00(m,2H),1.92-1.76(m,4H),1.56-1.40(m,2H),1.16(t,1H)。
本發明化合物之藥理特性可於下列分析中驗證:縮寫:DMEM 達爾伯克改良伊格爾培養基(Dulbecco's modified Eagle medium)
FCS 胎牛血清
TMB 3,3',5,5'-四甲基聯苯胺(benzidine)
Tris 叁(羥基甲基)-胺基甲烷
羥化的HIF專一與希彼耳-林陶氏蛋白延長素(elongin)-B-延長素C複合物(VBC複合物)結合。此作用僅當HIF於保留的脯胺醯基上羥化時發生。其為HIF脯胺醯羥化酶活性生化測定之基礎。此試驗係如[Oehme F.,Jonghaus W.,Narouz-Ott L.,Huetter J.,Flamme I.,Anal.Biochem.330(1),74-80(2004)]所述來進行:將塗覆NeutrAvidin HBC(Pierce)之透明的96-孔微量滴定盤以阻斷劑酪素(blocker casein)培養30分鐘。然後將滴定盤每孔每次以200μl的清洗緩衝液(50mM Tris,pH 7.5,100mM NaCl,10%(體積/體積)阻斷劑酪素,0.05%(體積/體積)Tween 20)清洗三次。將胜肽生物素-DLDLEMLAPYIPMDDDFQL(Eurogentec,4102 Seraing,Belgium)以400nM溶於100μl清洗緩衝液之濃度加入。此胜肽係作為脯胺醯基羥化之基質並與微量滴定盤結合。培養60分鐘後,
將滴定盤以清洗緩衝液清洗三次,以1mM生物素之阻斷劑酪素溶液培養30分鐘,然後再以清洗緩衝液清洗三次。
將與滴定盤結合的胜肽基質以含脯胺醯基羥化酶之細胞解離物培養1至60分鐘,以進行脯胺醯基羥化酶反應。反應係在室溫下於100μl反應緩衝液(20mM Tris,pH 7.5,5mM KCl,1.5mM MgCl2,1μM-1mM 2-酮戊二酸鹽,10μM FeSO4,2mM抗壞血酸鹽)中進行。此外,反應混合物含有各種濃度的脯胺醯基羥化酶抑制劑以供試驗。試驗物質較佳地(但非絕對)係使用介於1nM至100μM間之濃度。以清洗緩衝液清洗滴定盤三次來停止反應。
就脯胺醯基羥化酶之定量測定,係加入含有來自大腸桿菌(E.coli)的硫氧還原蛋白(thioredoxin)及VBC複合物之80μl結合緩衝液溶液(50mM Tris,pH 7.5,120mM NaCl)二者的融合蛋白。15分鐘後,加入10μl來自兔子的多株抗硫氧還原蛋白抗體之結合緩衝液溶液。又30分鐘後,加入10μl抗兔免疫球蛋白偶合芥末過氧化酶之結合緩衝液溶液。於室溫培養30分鐘後,將滴定盤以清洗緩衝液清洗三次,以移除未結合的VBC複合物及抗體。將滴定盤以TMB培養15分鐘,以測定結合的VBC複合物之量。添加100μl 1M硫酸終止顏色反應。結合的VBC複合物之量係藉由測量450nm之光學密度來測定。其係與胜肽基質中羥基化脯胺酸之量成比例。
另外,與銪(Perkin Elmer)偶合的VBC複合物可用來偵測脯胺醯基羥化作用。就此情況,結合的VBC複合物之量係藉由與時間相關之螢光來測定。此外,亦可使用以[35S]-甲硫胺酸標定之VBC複合物。就此,放射活性標定之VBC複合物可藉由於活體外網狀
紅血球解離液之轉錄-轉譯來製備。
在此試驗中,具體實例抑制HIF脯胺醯基羥化酶具有30μM之IC50值。具體實例之代表值係複述於下表1中:
本發明化合物之活性係藉由重組細胞株之幫助來定量。該細胞原本係由人類肺癌細胞株所衍生(A549,ATCC:美國菌種保藏中心(American Type Culture Collection),Manassas,VA 20108,USA)。將試驗細胞株以穩定方式,在人造最小的啟動子的控制下以含有北美螢火蟲螢光素酶(Photinus pyralis luciferase)(以下稱為螢光素酶)的報導基因之載體轉染。此最小的啟動子包含TATA盒之二個缺氧反應元件上游[Oehme F.,Ellinghaus P.,Kolkhof P.,Smith T.J.,Ramakrishnan S.,Hütter J.,Schramm M.,Flamme I.,Biochem.Biophys.Res.Commun.296(2), 343-9(2002)]。在缺氧的效應下(例如於1%氧之存在下培養24小時)或在非選擇性二氧化酶抑制劑之作用下(例如濃度100μM之去鐵胺、濃度100μM之氯化亞鈷或濃度1mM之N-草醯基甘胺酸二乙酯),試驗細胞株產生螢光素酶,其可在適合的生物發光劑(例如Steady-Glo®螢光素酶分析系統,Promega Corporation,Madison,WI 53711,USA)及適合的光度計之幫助下被偵測及定量出。
試驗程序:在試驗的前一天,將細胞析出於確實計量之培養基(DMEM,10% FCS,2mM麩胺醯胺)置於384-或1,536-孔的微量滴定盤中並置於細胞培養箱中(96%大氣濕度,5%體積/體積CO2,37℃)。在試驗當天,將試驗物質以累進的濃度加到培養基中。在批量之細胞中不添加試驗物質,以作為負對照。測量細胞對抑制
劑,去鐵胺(例如以100μM之最終濃度來添加)之敏感性作為正對照。將試驗物質移入微量滴定盤的孔槽中6至24小時後,以光度計測量所產生的光訊號。在測量值之輔助下對劑量/效應關作圖,其係作為測量半數最大活性濃度(稱為EC50值)之基準。
以試驗物質處理後,將下列細胞株置於6-或24-孔盤中培養,以評估人類細胞株特定mRNA表現之修飾作用:人類肝癌細胞(HUH,JCRB Cell Bank,Japan)、人類胚胎腎纖維母細胞(HEK/293,ATCC,Manassas,VA 20108,USA)、人類子宮頸癌細胞(HeLa,ATCC,Manassas,VA 20108,USA)、人類臍靜脈內皮細胞(HUVEC,Cambrex,East Rutherford,New Jersey 07073,USA)。添加試驗物質24小時後,以磷酸緩衝食鹽水清洗細胞並使用適合的方法從其中得到總RNA(例如Trizol®試劑,Invitrogen GmbH,76131 Karlsruhe,Germany)。
就典型的分析試驗,係將各1μg由此法中得到的總DNA以DNA酶分解,並使用適合的反轉錄酶反應(ImProm-II反轉錄系統,Promega Corporation,Madison,WI 53711,USA),轉譯成互補的DNA(cDNA)。將此法得到的2.5%的cDNA批量各用於聚合酶連鎖反應。所欲評估的基因之mRNA的表現量係使用ABI Prism 7700序列偵測儀器(Applied Biosystems,Inc.),藉由即時定量聚合酶連鎖反應來評估[TaqMan-PCR;Heid C.A.,Stevens J.,Livak K.J.,Williams P.M.,Genome Res.6(10), 986-94(1996)]。本處所用的引子探針組合係由Primer Express 1.5軟體(Applied Biosystems,Inc.)所產生。特
而言之,係評估紅血球生成素、碳酸酐酶IX、乳酸去氫酶A、血管內皮細胞生長因子之mRNA。
本發明物質導致了人類係器官中缺氧誘發基因之mRNA顯著的劑量依賴增加。
將溶於適合溶劑中之試驗化合物以胃管給藥口服投予、腹腔內或靜脈內投予小鼠或大鼠或。典型的劑量為每公斤體重及給藥0.1、0.5、1、5、10、20、50、100及300mg物質。對照組動物僅接受溶劑。投予試驗物質後4、8或24小時,將動物以超劑量的異氟烷(isoflurane)殺死,及隨後從頸部切開並取出所欲評估的器官。將器官部分以液態氮急速冷凍。如B.1.a)所述從器官部分得到總DNA及將其轉譯為cDNA。所欲評估的基因mRNA之表現量係使用ABI Prism 7700序列偵測儀器(Applied Biosystems,Inc.),藉由即時定量聚合酶連鎖反應來評估[TaqMan-PCR;Heid C.A.,Stevens J.,Livak K.J.,Williams P.M.,Genome Res. 6(10), 986-94(1996)]。
在口服或非經腸投予後,相較於安慰劑對照組,本發明物質導致了腎臟中紅血球生成素之mRNA顯著的劑量依賴增加。
將溶於適合溶劑之試驗化合物以腹腔內或口服每天一或二次投予小鼠或大鼠。典型的劑量為每公斤體重及給藥0.1、0.5、1、5、10、20、50、100及300mg物質。安慰劑對照組動物僅接受溶
劑。在給投予前及最後一次投予物質後4小時,於短暫麻醉下,從動物的眼後靜脈叢或尾靜脈抽取50μl的血液。添加肝素鋰使血液不凝集。離心得到血漿。在紅血球生成素-ELISA(Quantikine® mouse Epo Immunoassay,R&D Systems,Inc.,Minneapolis,USA)的輔助下,依照製造商的指示測定血漿中紅血球生成素的含量。在記錄的小鼠紅血球生成素之參照測量值的輔助下,將測量值轉變為pg/ml。
在口服或非經腸投予後,相較於起始值及安慰劑對照組,本發明物質導致了血漿中紅血球生成素之顯著的劑量依賴增加。
將溶於適合溶劑之試驗化合物以腹腔內或口服每天一或二次投予小鼠或大鼠數天。典型的劑量為例如每公斤體重及給藥0.1、0.5、1、5、10、20、50、100及300mg物質。對照組動物僅接受溶劑。在研究終了時,於短暫麻醉下,從動物之眼角靜脈叢或尾靜脈抽取血液並添加檸檬酸鈉使其不凝血。於適合的電子測量裝置中測定血液樣本中紅血球、白血球及血小板之濃度。網狀紅血球之濃度係在以適合此目的之染劑溶液(KABE Labortechnik,Niimbrecht)染色之血液塗片的輔助下,以顯微鏡各篩選1,000紅血球來測定。就測定血比容,係將血液以血比容毛細管從眼球後靜脈叢抽取出及將毛細管以適合此目的之離心機離心後,手動讀取血比容值。
在口服或非經腸投予後,相較於起始值及安慰劑對照組,本發明物質導致了血比容、紅血球數及網狀紅血球之顯著的劑量依
賴增加。
精確的稱取至少1.5mg的試驗化合物置入附有螺旋蓋及隔膜之廣口10mm螺旋V型瓶中(購自Glastechnik Grafenroda GmbH,Art.型號8004-WM-H/V 15μ),加入DMSO得到50mg/ml之濃度並將混合物旋轉30分鐘。
所需的吸量溶液步驟係於96孔之1.2ml深孔盤(DWP)中使用液體處理機器人來進行。所用的溶劑為乙腈/水8:2之混合物。
製備校正溶液(儲存溶液)之起始溶液:將833μl的溶劑混合物加到10μl的初始溶液中(濃度=600μg/ml),並將混合物均質化。各試驗物質,於分開的DWP中製備成1:100稀釋液,並將稀釋液本身均質化。
校正溶液5(600ng/ml):將270μl的溶劑混合物加到30μl的儲存溶液中,並將混合物均質化。
校正溶液4(60ng/ml):270μl的溶劑混合物加到30μl的校正溶液5中,並將混合物均質化。
校正溶液3(12ng/ml):將400μl的溶劑混合物加到100μl的校正溶液4中,並將混合物均質化。
校正溶液2(1.2ng/ml):將270μl的溶劑混合物加到30μl的校正溶液3中,並將混合物均質化。
校正溶液1(0.6ng/ml):將150μl的溶劑混合物加到150μl的校正溶液2中,並將混合物均質化。
所需的吸量溶液步驟係於96孔之1.2ml DWP中使用液體處理機器人來進行。將1000μl的PBS緩衝液pH 6.5加到10.1μl的儲存溶液中。(PBS緩衝液pH 6.5:稱取61.86g的氯化鈉,39.54g的磷酸二氫鈉及83.35g的1N氫氧化鈉水溶液置於1公升的量瓶中,於量瓶中加入水並將混合物攪拌約1小時。從此溶液取500ml加到5公升的量瓶中,並於量瓶中加滿水。使用1N氫氧化鈉水溶液將pH調整至6.5。)
所需的吸量溶液步驟係於96孔之1.2ml DWP中使用液體處理機器人來進行。使用可調整溫度之震盪器,將此法所製備之樣本溶液於20℃及1400rpm下震盪24小時。從些溶液中各取出180μl轉置於貝克曼同質異晶聚合物離心試管(Beckman polyallomer centrifuge tubes)中。將這些溶液以約223 000 x g離心1小時。由各樣本溶液中取出100μl的上清液並以PBS緩衝液6.5稀釋成1:10及1:1000。
將樣本以HPLC/MS-MS分析。定量係使用試驗化合物之五點校正曲線來進行。溶解度係以mg/l來表示。分析順序:1)空白(溶劑混合物);2)校正溶液0.6ng/ml;3)校正溶液1.2ng/ml;4)校正溶液12ng/ml;5)校正溶液60ng/ml;6)校正溶液600ng/ml;7)空白(溶劑混合物);8)樣本溶液1:1000;7)樣本溶液1:10。
HPLC:Agilent 1100,定量幫浦(G1311A),自動取樣機CTC HTS PAL,脫氣機(G1322A)及管柱控溫器(G1316A);管柱:Oasis HLB 20mm x 2.1mm,25μ;溫度:40℃;移動相A:水+0.5ml甲酸/公升;移動相B:乙腈+0.5ml甲酸/公升;流速:2.5ml/min;停止時間1.5min;梯度:0min 95% A,5% B;坡度(ramp):0-0.5min 5% A,95%
B;0.5-0.84min 5% A,95% B;坡度(ramp):0.84-0.85min 95% A,5%
B;0.85-1.5min 95% A,5% B.
MS/MS:WATERS Quattro Micro Tandem MS/MS;Z-Spray API介面;HPLC-MS初始分流器1:20;以ESI模式測量。
本發明化合物可轉變為下列醫藥調配物。
100mg的本發明化合物、50mg的乳糖(單水合物)、50mg的玉米澱粉(天然的)、10mg的聚乙烯基吡咯酮(PVP 25)(德國Ludwigshafen之BASF)及2mg的硬脂酸鎂。
錠劑重212mg,直徑8mm,曲率半徑12mm。
將本發明化合物、乳糖及玉米澱粉之混合物以5%(m/m)濃度的PVP水溶液製成顆粒。將顆粒乾燥後與硬脂酸鎂混合5分鐘。將此混合物以習用的壓錠機壓製(參見上述錠劑之形式)。使用15kN壓製力作為壓製推薦值。
1000mg的本發明化合物、1000mg的乙醇(96%)、400mg的Rhodigel®(美國賓州FMC之黃原膠)及99g的水。
10ml的口服懸浮液相當100mg的本發明化合物之個別劑量。
將Rhodigel懸浮於乙醇中,並將本發明化合物加到懸浮液中。攪拌下加入水。將混合物攪拌約6小時直到Rhodigel停止膨脹。
500mg的本發明化合物、2.5g的聚山梨醇酯及97g的聚乙二醇400。20g的口服溶液相當100mg的本發明化合物之個別劑量。
攪拌下,將本發明化合物懸浮於聚乙二醇及聚山梨醇酯之混合物中。持續攪拌操作直到本發明化合物完全溶解。
將本發明化合物以低於飽和溶解度之濃度溶於生理上可耐受之溶劑中(例如等張食鹽水、5%葡萄糖溶液及/或30% PEG 400溶液)。將溶液進行殺菌過濾並轉置於無菌及無熱原容器中。
Claims (7)
- 一種式(I)化合物,
其中R1 代表下式之雜芳基基團 其中* 係指與二氫吡唑酮環之連結點,R4 係指氫、氟、氯、溴、氰基、(C1-C4)-烷基、三氟甲基、羥基甲基、(C1-C4)-烷氧基、三氟甲氧基、羥基羰基或(C1-C4)-烷氧基羰基,R2 代表下式之雜芳基基團 其中# 係指與二氫吡唑酮環之連結點,及R6、R6A及R6B為相同或不同並各自獨立地為氫或由下列 組成之群中選出之取代基:氟、氯、溴、氰基、(C1-C6)-烷基、三氟甲基、羥基、(C1-C6)-烷氧基、三氟甲氧基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基、(C1-C4)-烷氧基羰基及4-至6-員雜環烷基,其中(C1-C6)-烷基本身可經羥基、(C1-C4)-烷氧基或胺基取代,及4-至6-員雜環烷基為吡咯啶基、四氫呋喃基、哌啶基、哌基、四氫哌喃基或嗎啉基,且其可以相同或不同方式經下列各基取代一或二次:氟、氰基、(C1-C4)-烷基、三氟甲基、羥基、(C1-C4)-烷氧基、酮基、胺基、單-(C1-C4)-烷基胺基、二-(C1-C4)-烷基胺基、羥基羰基及/或(C1-C4)-烷氧基羰基,及R3 代表氫,以及其鹽類。 - 如申請專利範圍第1項之化合物,其為2-[5-(羥基甲基)吡啶-2-基]-4-[4-(三氟甲基)-1H-咪唑-1-基]-1,2-二氫-3H-吡唑-3-酮,具有下式
以及其鹽類。 - 如申請專利範圍第1項之化合物,其為2-[5-(羥基甲基)吡啶-2-基]-4-[4-(三氟甲基)-1H-咪唑-1-基]-1,2-二氫-3H-吡唑-3-酮鹽酸鹽,具有下式
- 一種製備如申請專利範圍第1至3項之式(I)化合物之方法,其特徵為將式(II)化合物
其中R1及R3各具有申請專利範圍第1至3項中所賦予之意義,及Z1 代表甲基或乙基,於惰性溶劑中,視需要在酸的存在下,與式(III)化合物反應 其中R2具有申請專利範圍第1至3項中所賦予之意義,得到式(IV)化合物 其中Z1、R1、R2及R3具有申請專利範圍第1至3項中所賦予之意義, 其在這些反應條件下已經環化,或於隨後的反應步驟在鹼的影響下得到式(I)化合物,且該式(I)化合物係視需要以鹼或酸轉變為彼等之鹽類。 - 一種製備如申請專利範圍第1至3項之式(I)化合物(其中R3係為氫)之方法,其特徵為將式(V)化合物
其中及R1具有申請專利範圍第1至3項中所賦予之意義,Z1 代表甲基或乙基,與式(VI)化合物物進行縮合反應, 其中Z2 代表甲基或乙基,得到式(VII)化合物, 其中Z1及R1具有申請專利範圍第1至3項中所賦予之意義,並隨後將其在酸的存在下與式(III)化合物反應, 其中R2具有申請專利範圍第1至3項中所賦予之意義,得到式(IV-A)化合物, 其中Z1、R1及R2具有申請專利範圍第1至3項中所賦予之意義,其在這些反應條件下已經環化,或於隨後的反應步驟在鹼的影響下得到式(I)化合物(其中R3代表氫)。 - 一種醫藥品,係包含如申請專利範圍第1至3項中任一項之式(I)化合物與惰性、無毒、醫藥上適合的輔助物質組合。
- 一種醫藥品,係包含如申請專利範圍第1至3項中任一項之式(I)化合物與一或多種由下列組成之群中選出之另外的活性化合物組合:ACE抑制劑、血管收縮素II受體拮抗劑、β-受體阻斷劑、鈣拮抗劑、PDE抑制劑、礦物類皮質激素受體拮抗劑、利尿劑、阿斯匹靈、鐵補充劑、維生素B12及葉酸補充劑、他汀類(statin)、毛地黃(地高辛(digoxin))衍生物、腫瘤化療劑及抗生素。
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