TW200821305A - MGluR5 modulators - Google Patents
MGluR5 modulators Download PDFInfo
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- TW200821305A TW200821305A TW096135382A TW96135382A TW200821305A TW 200821305 A TW200821305 A TW 200821305A TW 096135382 A TW096135382 A TW 096135382A TW 96135382 A TW96135382 A TW 96135382A TW 200821305 A TW200821305 A TW 200821305A
- Authority
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- Taiwan
- Prior art keywords
- methyl
- triazol
- ethoxy
- group
- compound
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- 150000001875 compounds Chemical class 0.000 claims abstract description 183
- 239000008194 pharmaceutical composition Substances 0.000 claims abstract description 10
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200821305 九、發明說明: 【發明所屬之技術領域】 發明領域 本發明係有關於新穎化合物,其於治療之用途及包八 5 該新穎化合物之藥學組成物。 發明背景 麩胺酸係哺乳動物中樞神經系統(CNS)之主要的興| 性神經傳導物質。麩胺酸係藉由與細胞表面之受體接合2 10 藉此使細胞表面受體活化而產生其對中樞神經元之作用 以受體蛋白質之結構特徵,受體使信號轉送至細胞内之手 段,及藥理學特性為基礎,此等受體已被分成二主要種類, 離子通道性及代謝性之麩胺酸受體。 15 代謝性麩胺酸受體(mGluR)係G蛋白質-偶合受體,其與 麩胺酸結合後活化各種細胞内第二信使系統。完整之哺乳 動物神經元内之mGluR之活化誘發下列反應之一或多者· 活化磷酯酶C;增加磷酯醯肌醇(PI)水解;釋放細胞内之句· 活化磷酯酶D;活化或抑制腺苷環化酶;增加或減少環狀腺 苷單磷酸磷(cAMP)之形成;活化鳥苷酸環化酶;增加環狀 20 鳥苷單磷酸鹽(cGMP)形成;活化磷酯酶A?;增加花生四稀 酸釋放;及增加或減少電壓及配位體門控通道之活性。
Schoepp 等人之 7>672心 Pkrmaco/. 5W. 14:13 (1993), Schoepp,7V^wrac/^m· /wi. 24:439 (1994),Pin 等人之
Neuropharmacology 34:1 (1995),Bordi 及 Ugolini,Prog. 5 200821305 59:55 (1999)。 分子克隆(Molecular cloning)已鑑別八種不同之mGluR 亞型,以mGluRl至mGluR8命名。Nakanishi,7Vewron 13:1031 (1994),Pin等人,叹y 34:1 (1995),Knopfel 5 等人之,乂 M^/· CAem· 38:1417 (1995)。另外之受體多樣性 係經由交替接合型式之某些mGhiR亞型之表現而發生。pin 等人,/WAS 89:10331 (1992),Minakami 等人, 199:1136 (1994),Joly等人,J· i5:3970 (1995)。 代謝性麩胺酸受體亞型可以胺基酸序列同源性、受體 10 所用之第二信使系統,及藉由其藥理特性為基礎被再分成 三種類,第I類、第II類,及第III類之mGluRs。第I類mGluR 包含mGluRl、mGluR5及其可變剪接之變體。激動劑與此 等受體之接合造成碟S旨酶C之活化,及其後之細胞内約之動 員。 15 神經系統、精神性及疼痛之疾病 於闡明第I類mGluRs之病理學上角色之努力暗示此等 受體之活化誘發神經元興奮。各種研究已證實第^MmGhiR 激動劑當施用於海馬體、大腦皮質、小腦及丘腦與其它CNS 區域之神經元時會產生突觸後興奮。證據指示此興奮係由 20於突觸後11101111^之直接活化,但其亦暗示突觸前mGluRs 之活化發生,造成增加之神經遞質釋放。Baskys,7>μ心 Pharmacol. Sci. 15:92 (1992), Schoepp, Neurochem. Int. 24.439 (1994),Pin等人,34:1(1995), Watkins等人,7>洲办尸5W. 15:33 (1994)。 6 200821305 代謝性麩胺酸受體於哺乳動物CNS内之數種正常程序 中涉及。mGluR之活化已被證明對於誘發海馬體之長期增 效作用及小腦長期抑制作用係需要。Bashir等人, 363:347 (1993),Bortolotto等人,368:740 (1994),等 5 人,Ce// 79··365 (1994),Aiba等人,Ce// 79:377 (1994)。 mGluR於疼痛及鎮痛之活化作用之角色已被證實,Meller 等人,iVewror叩ori 4: 879 (1993),Bordi&Ugolini,BrainRes· 871:223 (1999)。此外,mGluR之活化作用已被暗示於各種 其它正常程序(包含突觸傳遞、神經元發展、凋亡神經元之 10 死亡、突觸可塑性、空間學習、嗅覺記憶、心搏動之中樞 控制、覺醒、運動控制,及前庭-動眼反射之控制)扮演調節 角色。Nakanishi,論狀⑽ 13: 1031 (1994),Pin 等人, ⑺/ogj; 34:1,Knopfel 等人,J· Chem. 38:1417 (1995)。 15 再者,第I類代謝性麩胺酸受體,特別是mGluR5,已 被暗示於影響CNS之各種病態生理學之程序及疾病中扮演 要角。此等包含中風、腦部外傷、缺氧及缺血之受損、低 血糖、癲癇、神經退化疾病,諸如,阿滋海默症,及疼痛。 Schoepp 等人,7>μ心 5W. 14:13 (1993), 20 Cunningham等人,*Scz·· 54:135 (1994),Hollman等人,dm Rev· Neurosci. 17·31ί (1994), Vin等人,Neuropharmacology 34:1 (1995),Knopfel等人,J· MM· C/^m· 38:1417 (1995), Spooren 等人,7>^2心 *SW· 22:331 (2001),
Gasparini 等人,Q/rr· Opin. Pharmacol 2:43 (2002), 7 200821305 論叹Μ⑽wpah 98:1 (2002)。此等狀況中之許多病理被認 為係由於過量麩胺酸誘發之CNS神經元興奮。因為第以員 mGluR似乎係、經由突觸後機構及促進之突觸前楚胺酸釋放 而增加麵胺酸調節之神經元興奮,其活化作用可能促成此 5病理。因此,第1類㈤⑺以汉受體之選擇性拮抗劑可為治療上 有益的,特別是作為神經保護劑、止痛劑,或抗癲癇藥。 最近於闡明代謝性麩胺酸受體,特別是第以員,於神經 生理角色之進步已建立此等受體於急性及慢性神經系統及 精神性疾病與慢性及急性疼痛疾病之治療作為有潛力之藥 10 物目標。 消化道疾病 下食道括約肌(LES)係易間歇性地鬆弛。因此,來自胃 P之纟IL體可通至食道,因為機械性遮斷於此時暫時性地喪 失’其於後稱為“逆流,,之情況。 15 胃食道逆流症(GERD)係最普遍之上消化道疾病。現今 之藥物治療目標係在於降低胃酸分泌,或中和食道内之 酸。逆流背後之主要機構被認為係依低滲下食道括約肌而 &但瓦’例如,H〇ii〇way & Dent (】99〇) Gastroenterol· Clin· 从79, 517-535頁,已顯示大部份之逆流發作係於短暫 2〇性下食道括約肌鬆弛(TLESR)(即,非藉由呑嚥引起之鬆弛) 期間發生。亦顯示胃酸分泌於具GERD之患者係正常。 【發明内容1 依據本發明之新穎化合物被顯示可用於抑制短暫性之 下食道括約肌鬆弛(TLESR),且因而用於治療胃食道逆流症 200821305 (GERD)。 已知某些化合物對於人類之心臟再極化會造成非所欲 之作用’其係以心電圖(ECG)之QT間隔延長而觀察。於極 端情況’此一 QT間隔因藥物誘發之延長會導致一種稱為 5 Torsades de Pointes(TdP; Vandenberg 等人,hERG K+ channels: friend and foe. Trends Pharmacol Sci 2001; 22: 240-246)之心律不整,最終導致心室顫動及猝死。此症候之 主要結果係藉由此等化合物抑制延遲整流鉀電流(〗Kr)之快 速構件。化合物與通道蛋白(其係載荷藉由人類 10 ether-a-go-go相關基因(hERG)編碼之此電流_亞單元)之形 成孔洞之α亞單元結合。因為ikr於心肌動作電位之再極化 才刀/貝關鍵角色,其抑制減慢再極化,且此係以QT間隔延長 而顯示。雖然QT間隔延長本身並非一種安全考量,但其帶 有心血管不利作用之危險性,且於小百分率之人類,會導 15 致TdP及退化成心室顫動。 一般,本發明之化合物於對抗碼之鉀通道具 低作用。關於此事,於試管内之對應0之低活性指示於活 體内之低活性。 亦所欲者係使藥物擁有良好之代謝穩定性以促進藥物 20效用。於試管内之對人類微粒體代謝作用之安定性指示於 活體内對代謝作用之安定性。 ' 因為其生理學及病理生理學之意義,其具有對於 mGluR亞型(特別是第戰體亞型,最制是祕此)展現 高選擇性讀狀有效mGluR_似狀叙需求。 9 200821305 本發明之目的係提供於代謝性麵胺酸受體(禮士)’ 特別是於mGhiR5受體,展現活性之化合 本發明之化合物主要係週邊作用’即,、別地,依據 血腦障壁之能力。 、艮制性之通過 曼里概要 本發明係有關於一種化學式I之化合物. R1
Rl係選自甲基、i素,及氰基所組成之族 10 R係選自氳,及氟所組成之族群; ’ R3係選自氫’及cvc3烧基所組成之族群; :選,基,及環丙基所組成之; X係4自如下所組成之族群:
=係選自氫’及€^3烧基所組成之族群’ 且Z係選自如下所組成之族群: 200821305
其中 R6係選自氫、CVC3烷基、c「c3鹵烧基、crc3烧氧基、crc3 鹵烧氧基,及iS素所組成之族群; 5 R7係選自氫、C1-C3烧基、C1-C3鹵烧基、C1-C3烧氧基、C1-C3 鹵烧氧基,及_素所組成之族群; 與其藥學可接X之鹽、水合物、異構物、互變異構物及/或 對映體。 听之另 目的係提供-種藥學組成物 本發明之3-目_—心Γ 式化合物。 、/、 # /σ療或預防需要此治療之動 11 10 200821305 物内之與麩胺酸功能失 此方法包含對此動物則^之神=财_之方法。 或其藥學可接受鹽。較佳、有效里之化子式1之化合物 人類。 &,此動物係哺乳動物,更佳係 本發明之另一目 接受之鹽或溶劑合物 何狀況之藥物之用途 的係如化學式1之化合物,或其藥學可 ,用於製造用於治療此間所探討之任 本心月之另-目的係提供一種用於治療之化學 合物,或其藥學可接受之鹽或溶劑合物。 1〇 本發明糾提供用於製備化學式丨之化合物之方法。一
般及特定之方法係於下更詳細地探討。 t資施方式;J 詳細說明 本發明係以發現展現作為藥物(特別是作為代謝性麵 U胺酸受體之調節劑)之活性之化合物為基礎。更特別地,本 發明之化合物展現作為111(}111以5受體之增強劑之活性,且可 用於治療,特別是用於治療與麵胺酸功能失調有關之神經 及精神疾病。 定義 於本說明書内,除非其它特定者,用於本說明書中之 專有名辭一般係依彳盾有機化學專有名辭(Nomenclature of
Organic Chemistry)之 A、B、C、D、E、F及Η段落(Pergamon
Press,Oxford,1979,其在此被併入以供參考之用)中用於命 名化學結構之其例示化學結構名稱所述之例子及規則。選 12 200821305 擇性地,化合物之名稱可使用化學名稱程式 ACD/ChemSketch,5.09及9.04版產生。 “烷基,,一辭於此使用時係意指具有1至6個碳原子之直 鏈或分支鏈之烴基,且包含甲基、乙基、丙基、異丙芙 5 第三丁基等。 土 “環烷基”一辭於此使用時係意指具有3至7個碳原子之 環狀基(可為不飽和),且包含丙基、環己基、環己烯基等。 “烷氧基,,一辭於此使用時係意指具有丨至6個碳原子之 直鏈或分支鏈之烷氧基,且包含甲氧基、乙氧基、丙氧基、 10異丙氧基、第三丁氧基等。 鹵基”一辭於此使用時係意指_素,且包含放射性及 非放射性型式之氟、氯、溴、碘等。 ’’芳基"一辭於此使用時係意指具有5至12個原子之芳 香族基,且包含苯基、萘基等。 15 ”雜芳基”一辭於意指包含至少一選自N、S及Ο所組成 無群之雜原子之芳香族基,且包含吡啶基、吲哚基、呋喃 基、笨并呋喃基、噻吩基、笨并噻吩基、喹啉基、噁唑基 等。 ‘‘藥學可接受鹽,,一辭意指可與患者之治療相容之酸加 20成鹽或驗加成鹽。 藥學可接受之酸加成鹽”係以化學式I表示之鹼化合 物之任何非毒性之有機或無機之酸加成鹽,或其任何中間 產物。形成適合鹽之例示之無機酸包含氫氣酸、氮溴酸、 爪酉欠及碟酸,與酸金屬鹽,諸如,原填酸單氫鈉及硫酸 13 200821305 氫鉀。形成適合鹽之例示之有機酸包含單、二,及三羧酸。 此專之例示者係,例如,乙酸、甘醇酸、乳酸、丙酮酸、 丙二酸、琥轴酸、戊二酸、福馬酸、蘋果酸、酒石酸、檸 檬酸、抗壞血酸、馬來酸、羥基馬來酸、苯甲酸、羥基苯 5甲酸、苯基乙酸、肉桂酸、水楊酸、2-苯氧基苯甲酸、對-甲苯磺酸,及其它磺酸,諸如,甲烷磺酸及2_羥基乙烷磺 酸。單或二酸之鹽可被形成,且此等酸可以水合物、溶劑 合物,或實質上無水之型式存在。一般,此等化合物之酸 加成鹽係更可溶於水及各種親水性有機溶劑,且一般證明 10與其游離鹼型式相比,係更高熔點。適當鹽之選擇標準係 熟習此項技藝者所知。其它非藥學可接受之鹽(例如,草酸 鹽)可用於,例如,隔離化學式I之化合物,用於實驗室用途, 或用於其後轉化成藥學可接受之酸加成鹽。 “藥學可接受之鹼加成鹽,,係以化學式!表示之酸化合 15物之任何非毒性之有機或無機之鹼加成鹽,或其任何中間 產物。形成適當鹽之例示之無機鹼包含鋰、鈉、卸、與、 鎂,或鋇之氫氧化物。形成適合鹽之例示之有機鹼包含脂 族、脂族族,或芳香族之有機胺,諸如,曱基胺、二 w 二甲基 胺,及甲基吡啶,或氨。適合鹽之選擇係重要,如此,分子 20内其它地方之醋官能性(若有)未被水解。適當鹽之選擇標準 係熟習此項技藝者所知。 “溶劑合物”一辭意指其中適合溶劑之分子被併納於結 晶晶格内之化學式I之化合物或化學式〗之化合物之藥學可 接受鹽。適合之溶劑係以溶劑合物投藥時係生理上耐受 14 200821305 的。適合溶劑之例子係乙醇、水等。當水係溶劑時,分子 被稱為水合物。 “治療”一辭係意指減輕症狀,以暫時或放久性之基礎 去除此等症候之造因,或預防或減緩所指名之疾病或狀況 5 之症候出現。 “治療有效量”一辭意指有效治療所指名之疾病或狀況 之化合物量。 “藥學可接受之載劑”意指與活性成份混合以便形成藥 學組成物(即,能投用至患者之藥劑型式)之非毒性之溶劑、 10 分散劑、賦形劑、佐劑或其它材料。此載劑之一例子係典 型上用於非腸道投藥之藥學可接受之油。 化合物 本發明之化合物一般係依循化學式I:
15其中 R1係選自甲基、i素,及氰基所組成之族群; R2係選自氫,及氟所組成之族群; R3係選自氫,及CrC3烷基所組成之族群; R4係選自氫,及CrC3烷基所組成之族群; 20 R5係選自CrC3烷基,及環丙基所組成之族群; 15 200821305 x係選自如下所組成之族群:
且z係選自如下所組成之族群:
OR7
R6係選自氫、CVC3烷基、cvc3鹵烷基、crc3烷氧基、cvc3 鹵烧氧基,及iS素所組成之族群; R7係選自氫、Q-C3烷基、CrC3鹵烷基、CrC3烷氧基、CrC3 鹵烷氧基,及鹵素所組成之族群; 16 200821305 與其藥學可接受之鹽、水合物、異構物、互變異構物及/或 對映體。 於特別實施例,R1係選自氯、氰基,及甲基所組成之 族群。 5 於進—步之實施例,R2係氫。 於進一步之實施例,R3係曱基。 於進一步之實施例,R3係CrC3炫基,且R4係氫。 於進一步之實施例,R3係CVC3烷基,且R4係CrC3烷基。 於進一步之實施例,R4係Η。 1〇 於進一步之實施例,R5係crc3烷基。於進一步之實施 例,R5係甲基。 於進一步之實施例,R6係甲基。於進一步之實施例, R6係氫。 於進一步之實施例,R7係氫。於進一步之實施例,R7 15 係CrC3烷基。 於進一步之實施例,Z係 R7 D7 〇
於上述化學式〗,X可以此二可能位向之任意者存在。 另一實施例係一種藥學組成物,其包含與一或多種之 20藥學可接文之稀釋劑、賦形劑及/或惰性載劑締結之作為活 性成份之治療有效量之依據化學式I之化合物。 如下更詳細描述之其它實施例係有關於用於治療,治 17 200821305 療mGluR5調節之疾病,製造用於治療mGhiR5調節之疾病 之藥物之依據化學式I之化合物。 其它實施例係有關於一種治療111〇111115調節之疾病之 方法’包含對哺乳動物投用治療有效量之依據化學式j之化 5 合物。 於另一貫施例,提供一種抑制mGluR5受體活化之方 法,包含以有效量之依據化學式〗之化合物處理含有該受體 之細胞。 本發明之化合物係用於治療,特別是治療神經系統、 10 精神性、疼痛及消化道之疾病。 熟習此項技藝者亦瞭解本發明之某些化合物可以溶劑 合物(例如,水合物)及非溶劑合物之型式存在。進一步瞭解 本發明係包化學式I化合物之所有此等溶劑合物之型式。 亦於本發明範圍内係化學式I化合物之鹽。一般,本發 15明化合物之藥學可接受鹽係使用此項技藝已知之標準程序 獲得,例如,藉由使足夠鹼性之化合物(例如,烷基胺)與適 合之酸(例如,HC1、乙酸,或甲烷磺酸)反應提供具生理可 接X陰離子之鹽。亦可藉由於水性介質内使具有適合酸性 質子(諸如,羧酸或酚)之本發明化合物以丨當量之鹼金屬哎 20鹼土金屬之氫氧化物或烷氧化物(諸如,乙氧化物或甲氧化 物),或適合之鹼性有機胺(諸如,膽鹼或葡甲胺)處理,其 後進行傳統純化技術而製造相對應之鹼金屬(諸如,鈉、 鉀,或鋰)或鹼土金屬(諸如,鈣)鹽。另外,四級銨鹽可藉 由添加,例如,烷基化試劑至中性胺而製備。 200821305 於本發明之一實施例,化學式i之化合物可被轉化成其 藥學可接受之鹽或溶劑合物,特別是酸加成鹽,諸如,氫 氯酸鹽、氫溴酸鹽、磷酸鹽、乙酸鹽、福馬酸鹽、馬來酸 鹽、酒石酸鹽、檸檬酸鹽、甲烷磺酸鹽,或對-甲苯磺酸鹽。 5 本發明之特別實施例包含於下表中例示之化合物36.1 至38.7,其藥學可接受之鹽、水合物、溶劑合物、光學異 構物,及其等之組合物。 實施例 編號 結構 名稱 36.1 c^r^oAVr0 O-N 1 4-(5-{(lR)_l_[5-(3-氯苯基)異噁 唑-3-基]乙氧基}-4-甲基 -4H-1,2,4-三唑-3-基)-1-甲基吡 啶-2(1H)-酮 36.2 爲vV:Vr。 O-N 1 4-(5-{(lR)-l-[5-(3-氯苯 基)-1,2,4-σ惡二°坐-3-基]乙氧 基}-4-甲基-4Η_1,2,4-三唑-3-基)小甲基吡唆-2(1Η)-酮 37.1 c^r^oAVr0 O-N 1 4·(5-{1-[5-(3·氯苯基)異噁峻-3-基]乙氧基}-4-甲基-4H-1,2,4-三 唑-3-基)吡啶-2(1H)-酮 37.2 N-N Cl 人入乂 Ν·^γ^γ〇 O-N 1 4-(5-{[5-(3-氣苯基)異噁唾-3-基]甲氧基}-4-甲基-4H-1,2,4-三 唑-3-基)吡啶-2(1H)-酮 37.3 bJ 1 Ι^ΝΓΗ 4-(5-{(lR)_l-[5-(3_ 氯苯基)異噁 唑-3-基]乙氧基}-4-甲基 -4H-1,2,4-三唑-3-基)吡啶 -2(1H)-酮 38.1 爲vV:Vr。 1 1^ΝΓΗ 4-(5-{(lR)-l-[5-(3-氯苯 基)-1,2,4-噁二唑-3-基]乙氧 基}-4-甲基-4H-1,2,4-三唑-3-基) 0比唆-2(1印-酮 38.2 為〜乂 乂 Vr。 N=N 1 4-(5-{(lR)-l_[2-(3-氯苯基)-2H-四唑-5-基]乙氧基}-4-甲基 -4H-1,2,4-三唑-3-基)吡啶 -2(1H)-酮 19 200821305 38.3 c^vV^Vr。 “ 1 5-(5-{(lR)-l-[2-(3-氣苯基)-2H-四唑-5-基]乙氧基}-4-甲基 -4H-1,2,4-三唑-3-基)噠嗪 -3(2H)-酮 38.4 爲vX〇i:Vr。 ι 5-(5-{(lR)-l-[5-(3-氯苯 基Η又4-噁二唑-3-基]乙氧 基}_4_甲基-4Η-1,2,4-三唑-3-基) °達°秦-3(2Η)-嗣 38.5 cli^yV:Vf。 5-(5-{(lR)-l-[5-(3-氯苯基)異噁 唑-3-基]乙氧基}-4-曱基 -4H-1,2,4-三唑-3-基)噠嗪 -3(2H)-酮 38.6 众八Wr。 5-(4-甲基-5-{(lR)-;K2-(3-甲基 苯基)-2Η·四唑-5-基]乙氧 基}-4凡1,2,4-三唑-3-基)噠嗪 -3(2Η)-酮 38.7 又 Vr。 5-(4-甲基 _5-{(lR)-l_[5-(3-甲基 苯基)異噁吐-3-基]乙氧 基}-4凡1,2,4_三唑-3-基)噠嗪 -3(2H)-酮 藥學組成物 本發明之化合物可被配製成包含與藥學可接受之載劑 或賦形劑締結之化學式I之化合物,或其藥學可接受之鹽或 溶劑合物之傳統藥學組成物。藥學可接受之載劑可為固體 5 或液體。固體型式之製備物不受限地包含粉末、錠劑、可 分散之顆粒、膠囊、藥餅,及栓劑。 固體載劑可為一或多種物質,其可亦可作為稀釋劑、 口味劑、助溶劑、潤滑劑、懸浮劑、結合劑,或旋劑崩解 劑。固體載劑亦可為包封材料。 10 粉末中,載劑係細微分割之固體,其與細微分割之本 發明化合物或活性組份混合。於錠劑,活性組份與具有所 需結合性質之載劑以適合比例混合,且被壓實成所欲之形 狀及尺寸。 20 200821305 對於製備栓劑組成物,低熔點之蠟(諸如,脂肪酸甘油 酯及可可奶油之混合物)先被熔融,且活性成份藉由,例 如’攪拌’分散於其間。然後,熔融之均質混合物被倒入 方便尺寸之模具内,且使其冷卻及固化。 5 適合之载劑不受限地包含碳酸鎮、硬脂酸鎮、滑石、 乳糖、糖、果膠、糊精、澂粉、黃蓍膠、甲基纖維素、叛 基甲基纖維素鈉、低熔點蠟、可可奶油等。 組成物-辭亦欲用以包含以包封材料作為載劑配製活 性組份而提供膠囊,其巾,活性組份(具有心具有其它載 劑)係由载劑圍繞,因而與其締結。相似地,藥餅被包含。 錠劑、粉末、藥餅,及膠囊被作為適於口服投藥之固 體藥劑型式。 ' 液體型式組成物包含溶液、懸浮液,或乳化液。例如, 活性化合物之無菌水或水丙二醇溶液可為適於非腸道投藥 15之液體製備物。液體組成物亦可配製成於含水聚乙二醇溶 液内之溶液。 用於口服投藥之水溶液可藉由使活性組份溶於水中及 添加所欲之適合著色劑、口味劑、安定劑,及増稠劑而製 備。適於口服用途之含水懸浮液可藉由使細微分割之活性 20組份與黏稠材料(諸如,天然或合成之凝膠、樹脂、甲基纖 維素、羧基甲基纖維素納,及藥學配製技藝所知之其它懸 浮劑)分散於水中而製造。意欲用於Π服用途之例示組成物 可含有-或多種之著色劑、甜化劑、口味劑,及/或防腐劑。 依投藥模式而定,藥學組成物會包含約0.05%W(重量 21 200821305 %)至約99%w,或約〇·1〇〇/ολν至50%w,之本發明化合物,所 有重量百分率係以組成物之總重量為基準計。 用於實施本發明之治療有效量可由熟習此項技藝者使 用已知標準(包含個別患者之年齡、體重及反應)而決定,且 5係於欲被治療或欲被預防之疾病内容中闡釋。 _醫學用徐 依據本發明之化合物可用於治療與mGluR5之興奮性 活化有關之狀況及用於抑制藉由mGluR5之興奮性活化造 成之神經元受損。此化合物可用以於哺乳動物(包含人類) 10 產生mGluR5抑制作用。 第I類mGluR受體(包含mGluR5)係高度表現於中樞及 周圍神經系統及其它組織。因此,預期本發明之化合物係 極適於治療mGluR5-調節之疾病,諸如,急性及慢性之神經 系統及精神性之疾病、消化道疾病,及慢性及急性之疼痛 15 疾病。 本發明係有關於用於治療用途之如前所界定之化學式 I之化合物。 本發明係有關於用於治療mGluR5調節之疾病之如前 所界定之化學式I之化合物。 20 本發明係有關於用於治療下述之如前所定義之化學式 匕B物·阿紅罕默氏症之老年痴呆症、誘發之痴 呆症、巴金森氏症、侧萎縮侧索硬化症、亨丁頓舞蹈症、 偏頭痛、癲癎、精神分裂症、憂鬱症、焦慮症、急性焦慮 症、眼科疾病(諸如,視神經病變、糖尿病視網膜病變、青 22 200821305 光眼)、聽覺神經受損疾病(諸如,耳嗚)、化療誘發之神經 病炎▼狀皰症後神經痛及三叉神經痛、耐受性、依賴性、 脆丨生X症、自閉症、神經遲鈍、精神分裂症,及唐氏症。 本發明係有關於用於治療下述之如上所界定之化學式 5 I之化合物:與偏頭痛有關之疼痛、發炎性疼痛、神經病變 疼痛疾病(諸如,糖尿病神網膜病變)、關節炎及類風濕疾 病下q痛、術後疼痛,及與各種狀況(包含癌症、心絞痛、 月或膽絞痛、月經、偏頭痛,及痛風)有關之疼痛。 本發明係有關於用於治療下述之如前界定之化學Si ίο之化合物:中風、頭部創傷、缺氧及缺血之傷害、低血壓、 心血管疾病,及癲癇。 本發明亦係有關於使用如前界定之化學式〗之化合物 製‘用於冶療mGiuR弟I類雙體調節之疾病及如上列示之任 何疾病之藥物。 15 本發明之一實施例係使用依據化學式I之化合物治療 消化道疾病。 本發明另一實施例係有關於使用化學式〗之化合物製 造用於抑制過性下食道括約肌鬆弛,用於治療GERD,用於 預防胃食道逆流症,用於治療反流,用於治療氣喘,用於 20治療喉頭炎,用於治療肺病,用於處置生長遲緩,用於治 療腸激躁症(IBS)及用於治療功能性消化不良症候群(FD)之 藥物。 本發明之另一實施例係有關於使用化學式I之化合物 治療膀胱過動症或尿失禁。 23 200821305 “TLESR”(過性下食道括約肌鬆弛)一字於此間係依據
Mittal,R.K” Holloway,RM·,Penagini,R” Blackshaw,L A·,
Dent, J” 1995,過性下食道括約肌鬆弛(Transient i〇wer esophageal sphincter relaxation Gastroenterology) 109f 5 601-610 頁定 l。 “逆流”一字於此間係定義為來自胃部之流體能通至食 道,因為機械性障壁於此時暫時喪失。 “GERD”(胃食道逆流症)一字於此間係依據觸
Heerwarden,Μ·Α·,Smout A.J.RM” 2000; Diagnosis of reflux 10 disease· BaillUre’s Clin· Gastroenterol· 14,759-774頁文氣。 上述化學式I之化合物可用於治療或預防肥胖症或體 重過重(例如,促進減重及維持減重),預防或逆轉體重之增 加(例如,復胖、藥物誘發或戒煙後)、食欲及/或飽食之調 節、飲食疾病(例如,暴食症、厭食症、貪食症,及強迫症), 15 及渴望(對於藥物、於、酒、任何促進食欲之大量營養劑, 或非必要性之食品)。 本發明亦提供一種治療罹患該狀況或受此危害之患者 之mGluR5調節之疾病及如上列示之任何疾病之方法,包含 對此患者投用有效量之如前所界定之化學式I之化合物。 20 治療或防治特定疾病所需之劑量必需依被治療之宿 主、投藥路徑及欲被治療之疾病之嚴重性而改變。 於本案說明書内容中,,,治療,,及“處理,,等用辭除非特別 之相反指示外,係包含預防或防治。,,治療”及”治療上”等用 辭需被如此闡釋。 24 200821305 ,除非其它陳述外,“拮抗劑,,及“抑制 由任何手段部份或完全地阻斷藉由配 於本案說明書中, 劑”等用辭需意指藉由 位體導致產生反應之轉導路徑之化合物。 、疾病-辭’除其它陳料,係意減謝賊胺酸受 5體活性有關之任何狀況及疾病。 非醫學 除其於治療用_之料外,化學式比化合物,與此 等化合物之鹽或水合物,可作為用於評估實驗室動物(諸 書田狗兔子、猴子、大鼠及小鼠)内之與⑽⑽有關 ίο之活性之抑制劑之效果之於試管内及活體内之測試系統之 發展及標準化之藥用工具。 製備方法 本發明之另一方面係提供製備化學式1之化合物,或其 鹽或水合物,之方法。製備本發明之化合物之方法係於此 15 間描述。 於下列有關於此等方法之說明,需暸解,若適合,適 合之保護基會被以熟習有機合成技藝者所瞭解之方式添加 至各種反應物及中間產物,且其後被移除。傳統之使用此 等保護基之程序與適合保護基之例子係描述於,例如, 20 “Protective Groups in Organic Synthesis”,T.W· Green,P.G.M.
Wuts,Wiley-Interscience,New York,(1999)。亦需瞭解藉由 化學操作使基或取代基轉化成另一基或取代基可於最後產 物之合成路徑上對任何中間產物或最後產物進行,其中, 可能之轉化型式僅係受限於此階段分子所載負之其它官能 25 200821305 性對轉化作用使用之條件或試劑之固有不相容性。此等固 有不相容性,及藉由以適合順序完成適合之轉化及合成步 驟而使其被避免,係熟習有機合成技藝者所輕易瞭解。轉 化之例子係如下所示,且需瞭解所述之轉化並非僅限於轉 5 化作用被例示之一般基或取代基。其它適合轉化作用之參 考及說明係示於“Comprehensive Organic Transformations -A Guide to Functional Group Preparations” R· C. Larock, VHC Publishers, Inc· (1989)。其它適合反應之參考及說明係 描述於有機化學教科書,例如,“Advanced Organic 10 Chemistry”,March,4th ed. McGraw Hill (1992)或“Organic Synthesis’’,Smith,McGraw Hill,(1994)。中間產物及最終產 物之純化技術包含,例如,於管柱或旋轉盤上之直接及逆 相色譜分析術、再結晶、蒸餾,及液-液或固_液萃取,其等 係熟習此項技藝者輕易瞭解。取代基及基之定義除有不定 15定義者外係如化學式1中所示般。“室溫,,及“周圍溫度,,等辭 除其它特定者外,係意指16與25 °C間之溫度。 “迴流”一辭,除非其它陳述外,需意指關於使用溶劑 係於所指名溶劑之沸點或高於沸點之溫度。 縮寫 20 atm 大氣壓 aq. 含水 BINAP 2,2’·雙(二苯基膦基)_U’_二萘基
Boc 第三-丁氧基羰基 CDI N,N’-羰基二咪唑 26 200821305 DCC n,n-二環己基曱二醯亞胺 DCM 二氣甲烷 DBU 二氮雜(1,3)二環[5.4.0]十一烷 DEA N,N-二異丙基乙胺 5 DIBAL-H 二異丁基鋁氫化物 DIC N,N’-二異丙基甲二醯亞胺 DMAP N,N_二甲基-4-胺基吡啶 DMF 二甲基甲醯胺 DMSO 二曱基亞礙 10 DPPF 二苯基膦基二茂鐵 EDCI N-[3-(二甲基胺基)丙基]-Ν’-乙基甲二醯亞胺氫 氯酸鹽 EDC 1-乙基-3-(3-二甲基胺基丙基)甲二醯亞胺 Et2〇 二乙基醚 15 EtOAc 乙酸乙酯 EtOH 乙醇 EtI 碘乙烷 Et 乙基 Fmoc 9-芴基甲基氧羰基 20 h 小時 HetAr 雜芳基 HOBt N-羥基苯并三唑 HBTU 0-(苯并三唑-1-基)-N,N,N’,N’·四甲基脲六氟磷 酸酯 25 HPLC 高性能液相色譜分析術 27 200821305 LAH 氫化鋰鋁 LCMS HPLC質譜術 MCPBA 間-氯苯甲酸 MeCN 乙腈 5 MeOH 甲醇 min 分鐘 Mel 碘甲烷 MeMgCl 甲基氯化鎂 Me 甲基 10 n-BuLi 1-丁基鋰 NaOAc 乙酸鈉 NMR 核碰共振 NMP N-甲基吡咯烷酮 nBuLi 1_ 丁基鋰 15 o.n. 隔夜 RT 室溫 TEA 三乙基胺 THF 四氫呋喃 nBu 正丁基 20 OMs 曱石黃酸醋或曱烧磺酸醋 OTs 曱苯磺酸酯、甲苯磺酸鹽,或4-甲基苯磺酸酯 PCC 吡啶氯鉻酸鹽 PPTS 吼啶對-甲苯磺酸鹽 TBAF 氟化四丁基銨 25 TLC 薄層色譜分析術 28 200821305 pTsOH 對-甲苯磺酸 SPE 固相萃取(一般係含有用於迷你色譜分析術之石夕 石凝膠) sat. 飽和 5 化學式I之1,2,4·噁二唑化合物之一般合成
LG=鎊去基 R=中問產物先f之表 R=化學式1中宅義之基
N 一0
I R 流程1 化學式I之化合物,其中,X係1,2,4-噁二唑(V),可經 由化學式IV之化合物(其可自適當活化之化學式ΙΠ之化合物及 化學式II之化合物形成)之環化作用而製備。 10 化學式11之化合物可自適合之腈製備。化學式III之化 合物可以下列非限制性之方式活化:〗)以使用適合試劑(諸 如,草醯氣或亞硫醯氯)自酸形成之酸氯化物;ϋ)以自以諸 如烷基氯甲酸醋之試劑處理而形成之酐或混合之酐;iii)使 用傳統方法於醯胺偶合反應(諸如,EDCI與HOBt或如HBTU 15之脲鹽)活化酸;lv)當於諸如乙醇或甲苯之溶劑,於高溫 (50-ll〇°C),羥基脒使用強鹼(如第三丁氧化鈉或氫化鈉) 去質子化時,以烷基酯。 化合物II及III轉化成V型之化合物可如上所述經由 29 200821305 型之隔離之中間產物以二連續步驟實施,或於原位形成之 中間產物之環化作用可㈣形成期間自發性地發生。酿IV 之形成可使用適當之非質子性溶劑(諸如,二氣曱烷、四氫 料、N,N-二曱基甲醯胺,或甲苯),選擇性地以適當之有 5機驗(諸如,三乙基胺、二異丙基乙基胺等)或無機驗(諸如, 碳酸氫納或碳_)而完成。化學切之化合物環化形成福 二唑可對粗製之酯以較高沸點之溶劑(諸如,DMF)蒸發及 替代溶劑或以水性萃取以提供經半純化之材料或以藉由標 準色譜分析方法純化之材料而進行。此環化作用可於適合 10溶劑(諸如,吡啶或Ν,Ν·二甲基甲醯胺)中藉由傳統方式加熱 或藉由微波照射(100 _ 180 〇C),或於四氫呋喃中利用使用 如氟化四丁基銨之試劑之較低溫方法或藉由任何其它適合 之已知文獻方法而完成。 上述反應之進一步例子可於poulain等人之Tetrahedr〇n 15 Lett” 2001,42, 1495·98、Ganglott等人之 Tetrahedron Lett., 2001,42,1441-43,及Mathvink等人之Bioorg. Med. Chem.
Lett· 1999, 9, 1869-74中發現,其等在此被併入以供參考之 用。 用於製備化學式I之化合物之腈及酸之合成 20 芳基腈可藉由各種方法獲得,包含於鈀或鎳催化劑 下,於適當溶劑(諸如,N,N•二甲基甲醯胺)中使用適當氰化 物來源(諸如,氰化辞)氰化芳基鹵化物或三氟甲基磺酸鹽。 相對應之酸可自腈,藉由於適當溶劑(諸如,含水之酸)中, 於酸性或驗性條件下水解而獲得。芳基酸亦可自各種其它 30 200821305 來源獲得,包含备或漠省交換,其後以c〇2捕集而直接產 生酸。 羧酸可使用活化此酸之任何可相容方法轉化成一級醯 胺’包s經由isc氯化物或混合之酐,其後於非質子性溶劑 5 (諸如,二噁烷)内以任何氨來源(包含於適合鹼存在中之氯 化銨、氫氧化鈉、甲醇氨,或氨)捕集。此醯胺中間產物可 使用各種脫水劑(諸如,草醯氯或亞硫醯氯)轉化成腈。此一 使酉文轉化成腈之反應順序亦可被應用於非芳香族之酸(包 含經適合保護之胺基酸衍生物)。於胺基酸中或任何其它酸 10起始材料之遠位置之胺之保護基可為移除胺官能基之鹼性 及親核性之任何基,包含諸如Bock之氨基甲酸鹽保護基。 某些酸係利用可購得之類似物而更易製備。例如,6_ 甲基吡啶-4_羧酸係藉由2_氯_6_甲基吡啶_4_羧酸之去氯化 反應而製備。某些型式之經取代之氟_苯并腈及苯甲酸係可 15自溴-二氟苯經由於鹼(諸如,碳酸鉀)存在中,於可相容之 溶劑(諸如,N,N_二甲基曱醯胺)内,於高溫(⑽―i2〇〇c)以 適a之親核劑(諸如,咪唑)置換一氟基持續延長之時間而獲 知。、/臭基其後可如上所示般包含於酸或腈内。 1,3_二取代及丨,3,5_三取代之苯甲酸及苯并腈可利用可 20輕易獲得之經取代之異酞酸衍生物製備。二酯之單水解反 應月匕使6^與各種試劑(大部份典型活化劑,諸如,亞硫醢 氯、草酿氣,或異丁基氣甲酸酯等)選擇性地反應。自經活 化之酸,數種產物可獲得。除用以藉由如上所述之脫水反 應形成腈之一級醯胺外,還原成羥基甲基類似物可對混合 31 200821305 == 化物於:相容之溶劑(諸如,四_使用各 人、如I11化鈉)而進行。經基甲基衍生物可於適 諸如,乙醇)中使用與適當之催化劑來源(諸如,於 MM)之催化性氫化反應而進-步還原成甲基類似 物。輕基?基亦可被用於對於苯甲醇係適合之任何反應, 古 I化反應、燒基化反應、轉化成鹵素等。當不能購 传時,此型式之鹵甲基苯甲酸亦可自甲基衍生物之漠化反 應獲得。藉由羥基甲基衍生物之烷基化反應獲得之醚亦可 自鹵曱基芳基苯甲酸酯衍生物藉由於適合溶劑(諸如,四氫 夫南或醉)中,使用適當之驗(诸如,碳酸钟或氯氧化納)與 此適g之醇反應獲传。當其它取代基存在時,亦可被用於 才示準之轉化反應。以酸及亞石肖酸納處理苯胺可產生重氮 鹽’其可使用四氟硼酸轉化成鹵化物(諸如,氟化物)。紛於 適合驗(諸如,碳酸鉀)存在中與烧基化試劑反應形成芳香族 15 _ 0 化學式I之化合物之異噁唑先質之形成 32 200821305
G3 = CI, Br 或 OH 流程2 化學式IX之化合物,其中,G1及/或G2係來自藉由化 學式I定義之中間產物或基之部份,可藉由於使用適合驗(諸 如,碳酸氫鈉或三乙基胺)之鹼性條件下,於適合溫度(0 5 0C - 100°C),於諸如曱苯之溶劑中,化學式VI及VII之化合 物間之1,3-二極化環加成而製備。VI型之化合物之合成已事 先描述於文獻’例如,Kim,Jae Nyoung; Ryu,Eung K; J. Org. Chem· 1992, 57, 6649-50。與VII型之乙炔之1,3-二極性環加 成亦可使用VIII型之經取代之硝基甲烷經由於鹼(諸如,三 10乙基胺)存在中’於高溫(50 - 100 °c),與親電子試劑(諸 如,PhNCO)活化而產生。Li,C-S·; Lacasse,E·; Tetrahedron
Lett. 2002 43; 3565 - 3568。數種VII型之化合物係可構得, 或可藉由熟習此項技藝者所知之標準方法合成。 33 200821305
流程3 另外,化學式I之化合物,其可自使用驗性條件(見流程 3) ’使用諸如氫化納或第三丁氧化卸之驗,之甲基嗣X及醋 縮合反應獲得,可經由縮合反應及其後使用經基 胺之%化反應’例如’以氫氯酸鹽型式,於高溫(6() — 12〇 〇c),產生化學式XI之化合物而提供中間產物χπ。 需瞭解對於二種方法,諸如仪及χπ之中間產物之其它 之官能基團化可能需要。於諸如χπ中之醋基之情況,此等 轉化可不X限地包含下列三程序之任—者:&)於溶劑(諸 10如,THF),使用適合之還原劑(諸如,^八印完全還原。的 使用適合之選擇性還原劑(諸如,DIBAL)部份還原,其後加 成烷基金屬試劑。c)於溶劑(諸如,甲苯或THF),加成烷基 金屬試劑(諸如,烧基鎮鹵化物),其後,例如,於甲醇内以 石朋氫化鈉還原。 15 化學式I之化合物之四唑先質之形成 34 200821305 R1
XIII
XVII 化學式I之化合物,其中,x係四唑,如中間產物XVI(M ==Η或Me),係經由芳基磺醯基腙χι¥與自苯胺xnwe生之重 氮鹽間之縮合反應而製備(流程4)。自χΠΙ之重氮鹽及肉桂 5醛之芳基磺醯基腙獲得之四唑中間產物XV(M = Η或Me)可 於一锅方法使用諸如臭氧之試劑或經由二醇使用二羥基化 試劑(諸如’四氧化餓)及其後使用諸如乙酸鉛(IV)之試劑裂 解而直接裂解提供醛(Μ = H)或酮(M = Me)XV。 [J.Med.Chem· 2000, 43, 953 - 970]。 10 烯烴亦可於單鍋方法中經由臭氧分解及其後以還原劑 (諸如’硼氫化鈉)還原而轉化成醇。酸χν(Μ = H)可於溶劑 (諸如,曱醇、THF或DMF)中,於〇 — 8〇〇c間之溫度,使用 已知之還原劑(諸如,鈉或鋰之硼氫化物)還原成化學式 XVII之一級醇(Μ = H)。二級醇(其中,M不是H)亦可自化學 15式XVI之酸(Μ = H)經由於溶劑(諸如,thf)中,於-78 °C至 80 C之溫度,之有機金屬試劑(例如,格里那試劑(例如, MeMgX))之加成反應而形成,且典型上係於〇〇c及室溫間 35 200821305 實施。
XVII 或XVI 流鞋5 另外,化學式I之化合物,其中,X係四唑,如中間產 物XVI(M = H),係經由芳基肼A與乙醛酸間之縮合反應製 5備(流程5)。獲得之中間產物b與重氮基2,4,6-三溴苯進行環 加成而組合四唑核產生羧酸中間產物C。酸C可以BH3或 NaBHU/BFs.EkO直接還原,或於以NaBH4還原前被轉化成 酯衍生物,而提供化學式XVII之醇(Μ = H)。以,例如, 0比&1_11使0部份還原可提供醛,其可被輕易轉變成化學式 10 XVII之醇(M = Η或Me)。[J.Med.Chem. 1978,21,1254; Heterocycles 1995, 40, 583]。 三唑碾中間產物之製備 含有二氫[1,2,4]三唑_3 -硫酮環之化學式ΧΧΠΙ之化合 物可藉由於適合溶劑(例如,σ比咬、DMF、DCM、THF,或 15 乙腈),於-20至100 °C之溫度,使用化學式XVIII之任何適 合醯化劑之化學式XIX之4-烷基硫基半卡巴肼之起始冰醯 基化反應而製備。預形成之酿化劑(諸如,酸_化物或酉旨) 可被使用,或酸可於原位藉由於共試劑(諸如,HOBt或 DMAP)存在或不存在’以標準活化劑(諸如,dcc、DIC、 2〇 EDC1或HBTU)處理而活化。非環狀中間產物XXIIb成後係 36 200821305 於醯化條件下自發地,或藉由於吡啶或水性溶劑,於鹼(諸 如,Na0H、NaHC03或Na2C03)存在中,具有或不具有共試 劑(諸如,二噁烷、THF、MeOH、EtOH或DMF),於50至 150 °C加熱之驗封環。化學式XXII之非環狀中間產物亦可藉由 5 於適當溶劑(例如,2-丙醇、DCM、THF等),於-20至120 °C 範圍之溫度,以化學式XXI之適合異硫基氰酸酯處理化學式 XX之醯基醯肼而形成。
流程6 然後,化學式XXIII之化合物可藉由於MeOH、EtOH、 10 THF、丙酮等,於—30至100 °C,使用一級烷基鹵化物(諸 如,Mel及EtI(烷基個別係Me及Et))使硫原子進行起始烷基 化反應形成化學式XXIV之中間產物,及其後於-20至120 °C,使用,例如,於水及乙酸之混合物中之ΚΜη04,或於 DCM中之MCPBA,或藉由使用任何適合氧化劑(諸如, 15 ΟΧΟΝΕ®)氧化中間產物χχιν,而轉化成化學式XXV之砜。 37 200821305
ΧΧΜΙ XXIV
流程7 酵舆礒之偶合 化學式I之化合物(其中,化學々 予八i中所繪之X係四唑、 噁二唑,或異噁唑)可藉由於鹼性條 王保件下藉由醇或烷氧化物 親核劑使化學式XXV之化合物之雜丄# 心離去基(諸如,烷基-S〇2) 進行親核性置換形成鍵而製備。伟田 1之用之鹼可包含強的氫化 物鹼(例如,NaH)或較溫和之鹼(諸如
河如,Cs2C03),於〇至8〇〇C 之溫度’於極性非質子性溶劑(諸‘ u啫如,DMF或乙腈)内。其 匕之適合離去基可包含函素(諸如,氯戋、、臭)。
XXVI XXV
R4
流程8 於其中Z含有適當保護基(諸如,苯甲基、甲基、第三 丁基,或三烷基矽烷基乙氧基甲基)之情況,包含S金屬催 條件下之氫化反應、酸性或路易士酸調節之裂解條件(例 ΉΒγ/乙g文,或一烧基銘氣化物,諸如,Me〗Aici)或親 38 200821305 核性條件(例如,Et2NCH2CH2SH.HCl、NaOtBu、DMF、迴 流)下之各種去保護之條件可被用以獲得化學式I之化合物。 本發明之實施例現將藉由下列非限制性之範例作例示 說明。 5 一般方法
起始物料係可購得或較早被描述於文獻中。ιΗ及i3C NMR光譜係在Bruker 300於300 MHz Bruker,DPX400於400 MHz ’或Varian +400光譜計於1〇〇 MHz之一者使用TMS或 殘餘溶劑信號作為參考而記錄。NMR之測量係以delta標度 10 (δ)為之。質譜係於 QTOF Global Micromass 或 Waters LCMS(其係由Alliance 2795 (LC)及ZQ單段四極桿質譜儀所 組成)記錄。質譜儀係裝設以正及/或負離子模式操作之電喷 灑離子源。離子喷灑電壓係士3kv,且質譜儀係自m/z 100一 700於0.8 s之掃猫時間掃瞒。管柱:X-Terra ms,Waters,C8, 15 2·1 x 50 mm,3.5 mm,且管柱溫度係設於40 °c。線性梯度 被應用’以0 %至1〇〇%之乙腈操作4分鐘,流速〇 3毫升/分。 移動相·乙腈/於5 %乙腈内之1〇 mM乙酸銨,於MilliQ Water。製備色譜分析術係於Gilson自動製備之HPLC以二極 體陣列檢測器進行。管柱:XTerra MS C8,19 X 300 mm,7 20 μΙΏ。梯度係乙腈/於5%乙腈内之〇·ΐ Μ乙酸銨,於MilliQ Water,一般係於13分鐘從20 %至60 %乙腈而進行。流速: 20宅升/分。MS-引起之prep-LC於具二極體陣列檢測器及Zq 質量檢測器之Waters自動製備之LC_MS系統進行。管柱: XTerraMS C8, 19x 100mm,5 μιη。梯度係乙腈/ 於5〇/〇乙腈 39 200821305 内之0.1 Μ乙酸銨,於MilliQ Water,於10分鐘從0 %至100 % 乙腈而進行。流速·· 20毫升/分。於某些情況,藉由 chromatotron之純化係於旋轉之石夕石凝膠/石膏(Merck,60 PF-254,具硫酸鈣)塗覆之玻璃片(具2mm之塗覆層)使用TC 5 Research 7924T chromatotron而實施。另外,Chem Elut萃取管柱 (Varian,cat #1219-8002)及Mega BE-SI (Bond Elut Silica) SPE 管柱(Varian, cat # 12256018; 12256026; 12256034)於產物純化期 間使用。 微波加熱係於在2450 MHz產生連續照射之Smith 10 Synthesizer 單一模式微波腔室(personai Chemistry AB, Uppsala,Sweden)内而實施。 實施例1 : N’,2_二羥基丙醢亞胺醢胺 nh2
Vv0H
OH 羥基胺氫氣酸鹽,44克(0.64莫耳)及25.5克(0.64莫耳) 15氫氧化鈉於室溫溶於乙醇(500毫升),並且授拌3小時。過濾 後,8.1克(0.11莫耳)之2-羥基丙腈添加至過濾物,其後攪拌 4小時。濃縮至乾燥後,副標題化合物被獲得,其被直接用 於下步驟。 巾 NMR (300 MHz,DMSO-d6) δ 8·88 (s,1 H),5.15 20 (s,1 Η),5·02 (s,1 Η),4·00 (q,1 Η),1·19 (d,3 Η)。 實施例2: 1·[5_(3-氣苯基)-ΐ,2,4_噁二唑_3_基】乙酵
40 200821305 實施例1之標題化合物(6.45克)於具有於THF(200毫升) 内之23.5毫升之DEA之冰浴冷卻。對此淤漿,添加21.94克 之3-氣苯甲醯氯。混合物加溫至室溫,且攪拌2小時。添加 Et2〇(200毫升),以飽和之含水NH4C1清洗,且於混合後再 5 次萃取水性層,及濃縮有機層,其後,於真空乾燥,27.24 克,其被直接用於下步驟。此物料溶於乙醇(250毫升)且迴 流1小時,其後添加於水(40毫升)中之14.0克(170毫莫耳)之 乙酸鈉。迴流隔夜後,冷卻至室溫,及添加水(250毫升), 混合物於真空中濃縮至約其體積之一半,形成沈澱物,其 10 被過濾及自EtOAc/庚烷再結晶而產生6.45克(25%)之標題 化合物。 NMR (300 MHz, CDC13) δ 8.14 (s? 1 Η)? 8.02 (d5 1 Η),7.57 (d,1 Η),7.47 (t,1 Η),5·04 - 5·14 (m,1 Η),2.51 (d, 1 Η),1·67 (d,3 Η)。 15實施例3·1: 4-(3-氯-苯基)-2,4_二氧代·丁酸乙基酯
氫化鈉(60%之油分散液,1.24克,31.1毫莫耳)以數份 式添加至於0°C之DMF(32毫升)内之3-氣乙醯苯(4.0克,26 毫莫耳)及草酸二乙酯(4.54克,31.1毫莫耳)之溶液。混合物 20於室溫攪拌1小時,然後,於80°C加熱半小時。冷卻後,混 合物以3 M HC1處理,然後,以乙酸乙酯稀釋。有機層以水 (二次)及飽和鹽水稀釋,於無水硫酸鈉乾燥,過濾,及濃縮。 然後,形成之殘質藉由於矽石上使用於己烷内之〇 — 10 %乙 41 200821305 酸乙酯之閃式管柱色譜分析術純化而提供標題化合物(4.43 克,67 %,黃色固體)。 NMR (300 MHz, CDC13) δ 15.12 (br s,1H),7.98 (s, 1Η),7.88 (d,1Η),7·58 (d,1Η),7·47 (t,1Η),7·05 (s,1Η), 5 4.39 (m,2H),1.41 (m,3H)。 下列實施例係依據上述程序製備。 實施例 結構 名稱 產率 3.2 Me 0 0 2,4-二氧代-4-間 -甲苯基-丁酸甲 基酯 81% 6.61 克 黃色固體 aH NMR (300 MHz, CDCls) δ 15.12 l 2H),7.15 (s,lH),3.91 (s,3H: 〔br s,1H),7.81 (m,2H),7.43 (m, >,2.46 (s,3H) 3.3 0 0 4-(3-碘-苯 基)-2,4-二氧代-丁酸乙基酯 71% 242克 黃色固體 'H NMR (300 MHz,CDC13) δ 15.01 (寬 s,1H),8.34 (d,1H),7.95 (m, 2H)? 7.28 (s, 1H), 7.25 (m, 1H), 3.98 (s? 3H). 實施例4.1: 5-(3-氯-苯基)-異噁唑_3_羧酸乙基酯
於甲醇(60毫升)内之實施例3·1之標題化合物(3.00克, 10 11.8毫莫耳)及羥基胺氫氯酸鹽(2.46克,35.4毫莫耳)之溶液 於8〇°C加熱4小時。冷卻後,混合物被過濾且以冷的甲醇清 洗,而以與甲基酯類似物之混合物提供標題化合物(2.0克, 71 %,白色固體)。 巾 NMR (300 MHz,CDC13) δ 7.82 (s,1H),7.72 (m,1H), 15 7.47 (m,2H),4.03 (s,3H)。 42 200821305 下列實施例係依據上述程序製備。 實施例 1m ' ~ 名稱 產率 4.2 〇、Ν 0— 5-間-曱苯基-異 噁唑-3-羧酸甲 基酯 100% 6.51 克 白色固體 Ή NMR (300 ΜΗζ,CDC13) δ 7.63 (s,1Η),7·60 (d, 7.29 (d, 1Η),6.92 (s,1Η\ 4.01 mm 2.4W 叫)’,1Η), 4.3 "Ίττ ο-Ν 〇-\ 5-(3-峨-苯基)- 異噁唑·3·羧酸 乙基酯 yiyT'…_ 24.1 克 棕色固體 Η NMR (300 ΜΗζ,CDC13) δ 8·18 (m,1Η),7.82 (t,2ΗΓ^?7ΠΤΪΓ 6.97(s,1H),4.03(s,3H)。 · V,m), 實施例4.4: 5-(3-甲基·苯基)-異嚼嗅-3-叛酸乙基輯之另類合 成
°-N 5 於THF(50毫升)内之實施例4.3之標題化合物(3.0克,8.7 毫莫耳)之溶液添加Pd (PPh3)2Cl2(614毫克,〇·87毫莫耳), 然後添加Me2Zn(4.8毫升,於甲苯内之2M溶液,9.6毫莫 耳)’且混合物於室溫攪拌2小時。混合物於真空中濃縮, 以CI^Cl2及HC1(7.2毫升之於20毫升水中之3 M HC1)稀釋。 10 混合物以CHWl2萃取,於Na^O4(無水)乾燥,且溶劑被移 除。形成之殘質藉由閃式管柱色譜分析術使用於己烷内之 1-9 %乙酸乙酯而純化,提供標題化合物(丨.27克,63 %, 白色固體)。 巾 NMR (300 MHz,CDC13) δ 7·64 (s,1H),7.61 (d,1H), 43 200821305 7·39 (t,1H),7.29 (d,1H),6.92 (s,1H),4.48 (q,2H),2.44 (s, 3H),1.46 (t,3H), 實施例5.1: [5-(3-氣-苯基)-異嚼嗅-3-基】-甲酵
5 氫化鋰鋁(320毫克,8.4毫莫耳)緩慢添加至於室溫之 THF(100毫升)内之實施例4.1獲得之混合物(2.0克,8.4毫莫 耳)之溶液。1小時後,反應混合物以水淬熄,然後,以乙 酸乙自旨萃取。有機層以水及飽和鹽水清洗,於無水硫酸納 乾燥,過濾、,及濃縮。然後,形成之殘質藉由閃式管柱色 10 譜分析術使用於己烷内15 - 40 %乙酸乙酯純化而提供標題 化合物(1.32克,75 %,黃色固體)。 巾 NMR (300 MHz,CDC13) δ 7.78 (s,1H),7.68 (m,1H), 7.43 (m,2H),6·63 (s,1H),4.84 (d,2H),2·23 (t,1H)。 下列實施例係依據上述程序製備。 實施例 結構 名稱 產率 5.2 〇、N 0 (5-間-甲苯基-異°惡 唑-3·基)-甲醇 92% 0.96 克 黃色油 'HNMR (300 MHz,CDC13) δ 7.78 (s,1H),7.76 (d,1H),7.36 (t,1H), 7.25 (d,1H), 6.58 (s,1H),4.83 (s,2H), 2.43 (s,3H),2.08 (br, 1H)。 15 實施例5.3: 5-間-甲苯基-異噁唑-3-甲醛
44 200821305 於CH2C12内之實施例5.2之標題化合物之粗製產物(96〇 毫克,5毫莫耳)添加PCC(1.6克,7.6毫莫耳),且反應於室 溫攪拌隔夜。此反應被過濾,且過濾物吸附於矽石上。粗 製產物藉由管柱色譜分析術(5_8 % EtOAc /己烷)純化產生 5 純產物,呈白色固體(739毫克,77 %)。 屮 NMR (300 MHz,CDC13) δ 10.20 (s,1H),7 84 (s, 1H),7.83 (d,1H),7.41 (t,1H),7.32 (d,1H),6·89 (s,1H), 2·45 (s,3H) 下列實施例係依據上述程序製備 10
於裝設攪拌棒之螺旋蓋玻璃瓶,添加碘化甲基鎂(3 Μ,於二乙基醚内)(〇·79毫升,2·38毫莫耳)、甲苯(1毫升)、 四氫呋喃(0.39毫升,4·77毫莫耳),及三乙基胺(1毫升,7·15 15毫莫耳)。溶液冷卻至0°C,且對此添加於甲苯(5毫升)内之 實施例4.1之標題化合物(3〇〇毫克,119毫莫耳)之溶液。形 成之混合物於〇 v攪拌5小時。反應混合物以】M氫氯酸(含 水,6.5¾升,6.5毫莫耳)淬熄,以甲苯(35毫升)稀釋,其後 以水(50毫升)、飽和碳酸氫鈉(含水,3〇毫升)、水(5〇毫升), 45 200821305 及鹽水(30¾升)清洗。有機相於真空中濃縮。隔離之殘質溶 於甲醇(8毫升)及20 %氫氧化鉀(含水,丨毫升)。混合物於45 °c攪拌30分鐘。此時,混合物於真空中濃縮。隔離之殘質 溶於甲苯(60毫升),其後以水(50毫升)、飽和碳酸氫鈉(含 5水,50毫升)及水(50毫升)清洗。有機相於真空中濃縮。粗 製之殘質於石夕石凝膠上使用於己烷内之2 %乙酸乙酯純化 而隔離標題化合物,呈白色固體(156毫克,60 %)。 4 NMR (3〇〇 MHz,CDC13) δ 7.77 (m,1H),7.66 (m, 1H),7·42 (m,2H),6.90 (s,1H),2.69 (s,3H)。 10實施例7·1: 1•丨5-(3-氣-苯基)-異噁唑-3_基】-乙酵
於裝设攪拌棒之螺旋蓋玻璃瓶,添加實施例6·ι之標題 化合物(100¾克’ 〇·45毫莫耳)、删氫化鈉(34毫克,〇·9〇毫 莫耳)及甲醇(3毫升)。形成之混合物於室溫攪拌3小時。反 15應以水(30毫升)及鹽水(30毫升)淬熄,以二氣甲烷(3三次, 3〇毫升)萃取。混合之有機相被乾燥(硫酸納),過濾,及於 真空中濃縮,而隔離標題化合物,呈白色固體(11〇毫克)。 'Η NMR (300 MHz, CDC13) δ (ppm) 7.69 (m? iH)? 7.59 (m,1H),7.37 (m,2H),6.59 (s,1H),5·07 (q,1H),3.45 2〇 (bs,1H),1.58(d,3H)。 實施例8·1: l_[5-(3-甲基·苯基)-異噁唑-3-基】-乙酵
46 200821305 實施例5.3之標題化合物(739毫克,3.9毫莫耳)於氯氣 下溶於THF(20毫升),且燒瓶被浸潰於冰内。溴化甲基鎮(1M 溶液/二乙基醚6·6毫升,19·7毫莫耳)以滴液方式添加,同時 反應於冰内冷卻。於0 QC時15分鐘後,冰浴被移除,且反 5 應於室溫攪拌2小時。添加含水之ΝΗβΙ(飽和)以使反應泮 熄,且水性操作物以乙酸乙酯萃取三次。混合之有機層以 鹽水清洗,於硫酸鈉乾燥,過濾,及濃縮。粗製產物藉由 管柱色譜分析術(3 % MeOH / DCM)純化產生標題化合 物,呈澄清之油(818毫克,1〇〇 %)。 ° A NMR (300 MHz,CDC13) δ 7.60 (s,1 H),7.58 (d,1 Ή),7.35 (t,1 Η),7.27 (d,1 Η),6.56 (s,1 Η),5·10 (dq,1 Η), 2·43 (s,3 Η),2·28 (d,1Η,ΟΗ),1.60 (d,3 Η)。 貧施例9.1··肉桂醛甲苯磺醯腙
15 肉桂醛(8.80克,66.6毫莫耳)添加至於乙醇(7〇毫升)内 之對-甲苯磺醯胺(12.44克,66.79毫莫耳)。反應立即變成固 趙’且再次添加乙醇(20毫升)。反應於室溫授拌1小時,然 唆過濾。固體以甲醇清洗,且藉由減壓乾燥產生標題化合 物’呈白色固體(17.5克,87 %)。 2〇 4 NMR (300 MHz,CDC13) δ 8.23 (S,1Η),7.88 (d,2Η), •6〇 (d,1H),7.34 (m,6H),6.83 (m,2H),2.43 (s,3H)。 貧施例9·2: 2-曱基肉桂醛甲苯磺醯腙 47 200821305 1义
2-曱基-3-苯基丙烯醛(150克,ι〇3毫莫耳)添加至於乙 醇(70毫升)内之對-甲苯磺醯胺(19.2克,103毫莫耳)。反應 立即變成固體,且再-人添加乙醇(20毫升)。反應於室溫撲摔 5 8小時,然後過濾。固體以甲醇清洗,且藉由減壓乾燥產生 標題化合物,呈白色固體(30.94克,96 %)。 iH NMR (300 MHz,CD3OD) δ 7.80 (d,2H),7.60 (s, 1Η),7·35 (m,6Η),7·26 (m,1Η),6.67 (s,1H),2.42 (s,3H), 2·01 (s,3H)。 10 實施例1〇·1: 3-(3-氯-苯基)_5·苯乙烯基-2H_四唑
亞石肖酸納(540.9毫克,7.839毫莫耳)之含水(5毫升)溶液 經由滴液漏斗添加至於水(7毫升)、濃縮氫氣酸(3毫升)及乙 醇(7毫升)内之3-氣苯胺之溶液。反應於0 °C攪拌1〇分鐘。 15 此溶液被倒至滴液漏斗内,且添加冰。此以滴液方式添加 至於吡啶(20毫升)内之實施例9.1獲得之產物(2·3克,7.7毫 莫耳)之溶液。使其授拌隔夜。水性操作物以DCM萃取三 次。混合之層以鹽水清洗,於硫酸鈉乾燥,過濾,及濃縮。 袓製產物藉由管柱色譜分析術(20 % EtOAc /己烧)純化產 20 生標題化合物,呈淡紫色固體(433毫克,19 。 48 200821305 lU NMR (300 MHz? CDC13) δ. 8.21 (m? 1H)5 8.09 (dt5 1H),7·89 (d,1H),7.61 (m,2H),7.49 (m,5H),7.24 (d,1H)。 實施例10.2·· 2-(3_氣苯基)-5-【(E)-l-甲基_2-苯基乙烯 基卜2H-四唑
亞硝酸鈉(654毫克,9.5毫莫耳)之含水(5毫升)溶液經由 滴液漏斗添加至於水(10毫升)、濃氫氣酸(11·9毫升)及乙醇 (7毫升)内之3·氯苯胺(0.92毫升,8.7毫莫耳)之溶液。反應 於〇 °c授半10分鐘。溶液被倒至滴液漏斗内,且添加冰。 10 此以滴液方式添加至於吼啶(10毫升)内之實施例9.2之標題 化合物(2.5克,7·9毫莫耳)之溶液。於0。(:攪拌1.5小時。混 合物以二氯甲烷萃取三次。混合之層以鹽水清洗,於硫酸 鈉乾燥,過濾,及濃縮。粗製產物藉由管柱色譜分析術(20 % EtOAc/己烷)純化產生標題化合物,呈紅色固體(736毫 15 克,28 %)。 1h NMR (300 MHz, CDC13) δ) 8.23 (s,1H),8.11 (dd, 1Η),7.94 (s,1Η),7.55-7.30 (m,7Η),2.50 (d,3Η)。 實施例11:苯基四唑中間產物之臭氧分解及其後之以硼氫 化鈉之醛/酮還原反應之一般程序 20 實施例9·1或ΐ〇·ΐ之苯基四唑溶於二氯甲烧且冷卻 至-78 °C。臭氧經由此溶液起泡10 — 30分鐘。反應之進行 49 200821305 使用10%EtOAc:己烷TLC溶劑系統檢查。一旦反應呈現完 全時,硼氫化鈉(70毫克/毫莫耳四唑)及Me〇H(〜5毫升/毫莫 耳)添加至此溶液。此溶液平衡回至室溫,且留置隔夜。水 (5毫升)及飽和氣化銨(5毫升)添加至此溶液。混合物於低壓 5 時濃縮,且水性操作使用DCM、水及鹽水實施。無水硫酸 鈉被用以乾燥此溶液。標準之閃式管柱使用10 % - 35 % EtOAc:己烷梯度溶劑系統操作。樣品接受NMR分析。下表 呈現所有實施之反應。 下列實施例係依據上述程序製備。 實施例 結構 名稱 產率 11.1 ,n,n l-[2-(3-氯·苯基)-2H-四峻-5-基]-乙醇 60% 1·01 克 橙色粉末 NMR (300 MHz,CDC13) δ 8·18 (s,1H),8.06 (d,1H),7·51 (br,2H), 5.32 (br,1H),2.70 (br,1H),1.78 (d,3H) 11.2 N=N 2-(3·氯-苯基)-2H-四 唑-5-基]-甲醇 31% 460亳克 橙色固體 aH NMR (300 MHz,CDC13) δ 8.19 (s,1H),8.06 (m,1H),7.52 (m,2H), 5.08 (d,2H),2.37 (t,lH) 10 自實施例14.1製備實施例11.1 實施例14.1之標題化合物(75.6毫克,0.362毫莫耳)於氬 氣下溶於THF(2毫升),且燒瓶被浸潰於冰内。溴化曱基鎂 (1 Μ溶液/丁基醚0.51毫升,0.51毫莫耳)以滴液方式添加, 同時反應於冰内冷卻。於0 °C時15分鐘後,冰浴被移除, 15 且反應於室溫攪拌2小時。添加氫氣酸(1 M)以使反應淬 熄,且水性操作物以乙酸乙酯萃取三次。混合之有機層以 50 200821305 鹽水清洗,於硫酸鈉乾燥,過濾,及濃縮。粗製產物藉由 管柱色譜分析術(3 % MeOH / DCM)純化產生標題化合 物,呈澄清之油(62.4毫克,77 %)。 實施例12上1-[2_(3·氣苯基)-2H_四唑-5-基】·乙_
實施例10.1之標題化合物(1.50克,5·06毫莫耳)溶於二 氣甲烷(79毫升),且臭氧經由溶液起泡15分鐘。溶液由橙色 變成較暗之橙色。反應之完全係使用10 % EtOAc··己烧TLC 溶劑系統檢查。氧經由此溶液起泡另外5分鐘以移除剩餘之 1〇任何過量之臭氧。二甲基硫化物(5毫升)添加至此溶液,且 現合物平衡至室溫。溶劑於真空下移除,且留下油狀之棕 色物質。3公分之閃式管柱被製備,其含有〜15公分之矽石 及〜3公分之砂。此管柱使用5 % EtOAc:己烷溶劑系統操 作。含有產物之洗提分級物被收集,且於低壓下濃縮。閃 15式管柱色譜分析術(矽石,5 % EtOAc:己烷)產生893毫克 (79.4 %產率)之標題化合物。 4 NMR (300 MHz,CDC13) δ 8.22 (s,1H),8.11 (m,1H), 7.54(d,lH),2.85(s,3H)。 資施例13.1: 1_[2-(3-氣_苯基)-2H-四唑-5-基]-2_苯基乙烷 51 200821305
實施例9·1之標題化合物(127毫克,0.446毫莫耳)稱重 於玻璃瓶内,且添加檸檬酸(171毫克,〇·892毫莫耳),其後 添加第三丁醇及水之1:1混合物(3毫升)。添加鐵酸鉀氧化物 5 水合物(〇·3毫克),其後添加4-甲基嗎啉Ν-氧化物(於1.5毫升 之水内),且反應攪拌隔夜。反應被過濾且以水及1 Μ氫氯 酸清洗產生標題化合物,呈灰棕色固體(95毫克,68 %)。 iH NMR (300 MHz,CD3OD) δ 8.09 (s,1Η),8.012 (dt,1 Η),7.58 (m,2Η),7·25 (m,5Η),5·15 (s,2Η)。 10實施例H2: (2-間-甲苯基·2Η-四唑-5-基)-甲酵之合成
a) (間-甲苯基-腙基)·乙酸之合成 3-甲基本基肼氫氣酸鹽(15.9克,1〇〇毫莫耳)溶於水(45〇 毫升)及乙醇(600毫升),並且於6〇°C加熱。於水(1〇〇毫升) 15内之乙醛酸(9·21克,1〇0毫莫耳)之溶液使用(3 x 15毫升)沖 洗而添加至溫溶液。反應混合物於60 °C授拌45分鐘,然 後,些微冷卻,且濃縮而移除乙醇。水性混合物以Ν&〇η中 和,然後,添加水(800毫升)。沈澱物被過濾,以水(3 χ 1〇〇 毫升)清洗,以己烷(100毫升)清洗,及乾燥而產生副標題化 20 合物,呈棕色固體(12.2克,69 %)。 b) 疊氮基-2,4,6·三溴苯之合成 52 200821305 2,4,6-三溴苯胺(34.16克,103.6毫莫耳)於室溫與乙酸 (600毫升)及硫酸混合。混合物被攪拌以獲得溶液,然後, 於冰浴冷卻至°C之内部溫度。於水(22毫升)内之 NaN02(7.65克,111毫莫耳)之溶液於30分鐘以滴液方式添 5 加,同時使反應混合物之内部溫度維持低於12 °C。反應混 合物於相同溫度攪拌30分鐘。於水(2毫升)内之尿素(0.90克) 之溶液被添加,且混合物另外攪拌10分鐘。於水(22毫升) 内之NaN3(7.65克,118毫莫耳)之溶液被緩慢添加,且混合 物另外攪拌1小時。然後,冷水(900毫升)以數份式緩慢添 10 加,且混合物攪拌30分鐘。沈澱物被過濾,以水清洗,溶 於二乙基醚,於硫酸鈉乾燥,及濃縮而產生副標題化合物, 呈灰白色固體(34.2克,93 %)。 c) 2-間-甲苯基-2H-四唑-5-羧酸乙基酯之合成 乙醇(270毫升)添加至副標題化合物13.2 a)(12.18克, 15 68.3毫莫耳),其後添加他€^(3.95克,206毫莫耳)及副標 題化合物13.2 b)(26.8克,75.18毫莫耳)。形成之懸浮液於6〇° C加熱5小時。反應混合物於熱時被倒入水(800毫升)内,且 沈澱物被過濾及以水清洗。過濾物以木炭攪拌,過濾,然 後使用濃HC1酸化至pH 1。沈澱物被過濾,溶於乙酸乙酯, 20 且水性層被分離。有機層以水清洗一次,於硫酸鈉乾燥, 及濃縮產生產物,呈紅色固體。獲得之固體與經預處理之 乙醇(200毫升,具〇°C之38毫升之氣乙醯)混合,反應混合物 於85 °C加熱24小時,然後濃縮。殘質溶於二氯甲烷,且以 水、含水之飽和碳酸氫鈉,及鹽水清洗。有機層被濃縮, 53 200821305 且殘質藉由矽石凝膠使用己烷:乙酸乙酯(95 : 5)純化產生 副標題化合物,呈紅色油(9.4克,59 %,於二步驟)。 lU NMR (300 MHz? CDC13) δ 8·04 (s,1Η),8.02 (d, 1H),7·51 (t,1H),7·36 (d,1H),4.59 (q,2H),2.49 (s,3H), 5 1.51 (t,3H)。 d) (2,-甲苯基-2H-四唾基)_甲醇之合成 副標題化合物13.2 c)(9.42克,40.6毫莫耳)與甲醇(95毫 升)混合,且反應混合物加熱至60〇C。硼氫化鈉(3.22克,85.2 毫莫耳)以數小部份式小心添加。反應混合物於6〇 〇c攪拌3〇 10分鐘,然後濃縮。添加1 MHC1(100毫升),然後,混合物以 一氣甲烧萃取兩次。混合之有機層以鹽水清洗,於硫酸鈉 乾燥,及濃縮。殘質藉由矽石凝膠使用30 %乙酸乙酯:己 烧純化產生標題化合物,呈微黃之白色固體(6·42克,83 %)。 lU NMR (300 MHz? CDC13) δ 7.94 (s,1H),7.90 (d, 15 1H),7.43 (t,1H),7.30 (d,1H),5.07 (d,2H),2·95 (t,1H, 〇H),2.47 (s,3H)。 實施例14.1: 2-(3-氣苯基)-2H_四嗅_5-甲搭
實施例13.1之標題化合物之粗製產物(50·0毫克,〇·158 20毫莫耳)稱重至玻璃瓶内,且添加甲苯(3毫升)。碳酸鉀(47.0 毫克,0.340毫莫耳)及乙酸料Ιν)(70.〇毫克,〇 158毫莫耳) 被添加並挽拌。反應授拌2.5小時。反應被過濾,且乙酸乙 醋添加至過濾物,且進行水性操作。有機層以鹽水清洗, 54 200821305 於硫酸鈉乾燥,過濾,及濃縮。粗製產物藉由管柱色譜分 析術(40 % EtOAc/己烷)純化產生純產物,呈白色固體(22.3 毫克,68 %)。 巾 NMR (300 MHz,CDC13) δ 10.34 (s,1H),8.27 (s, 5 1Η),8.14 (m,1Η),7.58 (d,2Η)。 實施例14·2: 2-(3_氣-苯基)-2H-四唑-5-甲醛
於-78°C,於CH2C12(100毫升)内之草醯氯(4.0毫升,46 毫莫耳)之溶液以滴液方式添加DMSO(6.5毫升,92毫莫 10 耳)。混合物攪拌10分鐘,其後,於CH2C12(30毫升)内之實 施例13.2之標題化合物(7.92毫克,41.6毫莫耳)以滴液方式 添加。混合物另外攪拌30分鐘,且Et3N(2.9毫升,208毫莫 耳)以滴液方式添加。然後,反應加溫至室溫。然後,添加 水(150毫升),且有機層以鹽水清洗,於硫酸鈉乾燥,過濾, 15 及濃縮。粗製產物藉由管柱色譜分析術(10-20 % EtOAc/己 烷)純化產生標題化合物,呈橙色油(4.98克,64 %)。 NMR (300 MHz? CDC13) δ 10.33 (s? 1Η)? 8.04 (d? 1Η),8.00 (d,1Η),7.49 (t,1Η),7.39 (d,1Η), 2.50 (s,3H)。 下列實施例係依據如上用於自實施例14.1製備實施例 20 11.1之程序製備。 55 200821305
實施例 結構 名稱 產率 15.1 “(2-間-曱苯基 -2H-四唑-5_基> 乙醇 74% 4.02 克 黃色油 Ή NMR (300 MHz, CDC13) δ 7.90 (s, 7·27 (d,1Η),5.32 (dq,1H),2·97 (d lA,〇m 1.77 (d,3H) 5 5 h 7.39 (t,1H), 2·46 (s,3H), 實施例16·1: (1R)_1_丨5-(3-氯苯基)異嚼唾基]乙基乙酸醋 實施例7·1之標題化合物(1〇6·5克,476毫莫耳)及 Novozyme 435⑧(13克)於Α下被取至乾燥曱苯(1·5公升)内。 5添加乙酸乙烯酯(66毫升,716毫莫耳)後,反應於室溫操作 隔夜’其後於石夕藻土過濾、,且以DCM清洗。溶劑於真空中 蒸發,且粗製產物接受於矽石上之使用二氣甲烷/甲醇(2〇:1) 之管柱色譜分析術,產生標題化合物(5〇克,47 %)。 4 NMR (300 MHz,CDC13) 7.76 (m,1Η),7.65 (m, 1Η), 10 7.41 (m,2H),6.54 (s,1H),6.07 (q,1H),2.13 (s,3H),1.66 (d, 3H)· LC-MS (M++1) = 266。 下列化合物係以相似方式製備。 實施例 結構 名稱 產率 16.2 〇 一 V 〇乂〇 (lRH_[5-(3-氣苯 基)-1,2,4-°惡二唾 -3-基]乙基乙酸酯 7.1克 49% 4 NMR (300 MHz? CDC13) δ 8.13 | 7.47(t, lH),6.07(q,lH),2·】 〔t,1H),8·01 (d, 1H),7.55 (d,1H), l(s,3H), 1.69 (d, 3HV 16.3 0 n-n p 乂 (lR)-l-[2-(3-氣苯 基)-2H-四α坐-5-基] 乙基乙酸酯 1·13 克 58% 56 200821305
4 NMR 1H)5 16.4 o N-N (lR)-l-[2-(3-甲基 苯基)-2H-四唑-5-基]乙基乙酸酯 ^NMR (300 MHz, CDC13) δ 7.93 (s9 1H)9 7.90 (d, 1H)? λϊΓίΓΐΗΓ 7.28 (d? 1H)? 6.29 (q? 1H)? 2.48 (s5 3H)9 2.16 (s? 3H)? 1:76 (d 3H). 16.5 〇 一f (lR)-l-[5-(3-甲基 苯基)異噁唑-3-基] 乙基乙酸酯 0.464^ ' ^NMR (300 MHz, CDCI3) δ 7.60 (s? 1 H)? 7.58 (d5 1 H)5 735ΤΓΤηΓ 3 HX(L67fd?3 H)51 ^ 1 H),^ ^ 1 ^ ^ 3 實施例Π·1: (lRH-[5-(3_氣苯基)異噁唑各基】乙酵 實施例16.1之標題化合物(56克,211毫莫耳)及氫氧化 鋰單水合物(10.6克,253毫莫耳)與THF/水(7/5,12公升)混 合,且於室溫攪拌隔夜。於真空中使混合物之體積降至約 一半,其後以鹽水稀釋,然後於MgS〇4乾燥,且於真空中 濃縮產生粗製產物。粗製產物藉由矽石上之閃式管柱色嘈 分析術使用庚烧/ Et0Ac(7 : 3)而純化產生標題化S合主物(二 克,85 %) 〇 lR NMR (3〇° MH^ CDC1^ 7·73 1 Η), 7.63 (m, 1 H),7·38 (m,2 H),6·57 (s,1 H),5·07 (q,1 H),2.44 (s,i H), 1.59 (d? 3 H) 〇 下列化合物係以相似方式製備。 實施例 結構 iV f ▲ -—... 冶?冉 產率 ^^_____ 57 200821305 17.2 (lR)-l-[5-(3-氯苯 基)-l,2,4-噁二唑 -3-基]乙醇 5.8克 97% ^NMR (300 MHz,CDC13) δ 8.14 (s,1H),8.02 (d,1H),7.57 (d,1H), 7.47 (t,1H),5.14-5.04 (m,1H),2.42 (br,s,1H),1.67 (d, 3H) 17.3 N-N oh c丨‘以 (lR)-l-[2-(3-氣苯 基)-2H-四唑-5-基]乙醇 0.95 克 99% ^NMR (300 MHz,CDC13) δ 8·17 (s,1 5.31 (quint,1H),2.51 (d,1H), H),8.06 (m, 1H),7.48 (m,2H), ί.77 (d, 3H) 17.4 N-N oh (lR)-l-[2-(3-甲基 苯基)-2H-四唑 -5·基]乙醇 1.74 克 ^NMR (300 MHz,CDC13) δ 7.90 (s,1H),7·88 (d,1H),7.39 (t,1H), 7.27 (d,1H),5.32 (dq,1H),3.77 (d,1H,OH),2.44 (s,3H), 1.76 (d,3H) 17.5 N 〇H (lR)-l-[5-(3-甲基 苯基)異噁唑-3-基]乙醇 0.356 克 ^NMR (300 MHz, CDC13) δ 7.60 (s,1 H),7.58 (d,1 H),7.35 (t,1 H), 7.27 (d,1 Η), 6·56 (s,1 H),5·10 (dq,1 H),2.43 (s,3 H),2.28 (d,lH,OH),1.60 (d,3 H) 實施例18·1: 2-氧代-1,2·二氮-咕咬-4-叛酸乙基醋
乙醯氯(20毫升)緩慢添加至於室溫之乙醇(80毫升)。澄 清溶液攪拌5分鐘,然後,2-羥基-4-吡啶羧酸(5.0克,35.9 5 毫莫耳)以固體添加。反應混合物迴流加熱隔夜。反應混合 物冷卻至室溫,且大部份之乙醇被蒸發。殘質以氯仿及水 稀釋,且水性層藉由小心添加K2C03而中和。有機層被分 離,且水性層進一步以氯仿萃取。混合之有機層於硫酸鈉 58 200821305 乾燥,及濃縮而產生標題化合物(5.74克,96 %) ° 屯 NMR (300 MHz,CDC13) δ 7.48 (d,1H),7.23 (s,1H), 6.82 (d,1H),4.39 (q,2H),1.4 (t,3H)。 實施例18·2: 5-甲基_2H-噠啳_3-酮
5-羥基-4-甲基-5H-呋喃-2-酮(10.0克,87·6毫莫耳)及耕 水合物(4.38克,87.6毫莫耳)於四氫呋喃内於室温劇烈擾掉 1.5小時。固體開始沈殿,且反應於60 °C加熱隔夜。粗製之 反應混合物濃縮於矽石凝膠上,且藉由管柱色譜分析術(於 10 1:1 EtOAc /二氯甲烷之0至10 %之甲醇)純化產生7.7克(80 %)之標題化合物。 !H NMR (300 MHz,CDC13) δ 11.38 (br,1H),7_66 (s, 1H),6·74 (s,1H),2.25 (s,3H)。 實施例18·3: 6-氧代-1,6_二氩·噠唼-4_羧酸
實施例18·2之標題化合物(〇·9〇克,毫莫耳)於濃硫 酸(13毫升)中攪拌,且加熱45。0高锰酸鉀(3·6克,12.25 毫莫耳)於3〇分鐘期間以一部份〆部份地添加以避免溫度 上升。反應於45 °C進一步攪拌30分鐘。然後,反應冷卻至 20室溫,且冰添加至反應混合物。形成之沈殿物藉由真空過 濾而收集,以冷水及二乙基醚清洗而產生〇·978克(87%)之 標題化合物,呈淡綠色固體。 59 200821305 !H NMR (300 MHz,CDC13) δ 13.39 (br,1Η),8·12 (s 1H),7.22 (s,1H)。 實施例18·4: 6-氧代-1,6-二氩·噠嗪-4-羧酸乙基酿
實施例18.3之標題化合物(ι·〇克,7·13毫莫耳)添加至乙 醇(16毫升)及氣乙醯(4毫升)之溶液,且形成之懸浮液加熱 至75 QC,並且攪拌隔仪。反應混合物被濃縮,以水稀釋, 且以一氯甲烧萃取。有機相於硫酸鈉乾燥,過滤,及濃縮 而產生標題化合物。 4 NMR (300 MHz,CDC13) δ 10.91 (br,1H),8.26 (8, 1H),7.53 (s,1H),4.43 (q,2H),1.40 (t,3H)。 實施例19.1: 2-氧代·1_(2-三甲基矽烷基·乙氧基甲基)_12_ 二氮·°Λ咬-4-鼓酸乙基酶
15 實施例18」之標題化合物(32克,191毫莫耳)及碳酸鉀 (132克,957毫莫耳)於室溫之二甲基甲醯胺(35〇毫升)内攪 拌。二異丙基乙基胺(10毫升,57毫莫耳)經由注射器添加, 其後添加2-(三甲基矽烷基)乙氧基甲基氣(44〇毫升,249毫 莫耳)。反應於室溫攪拌,且二異丙基乙基胺(56.6毫升,325 20耄莫耳)於5小時期間經由壓力平衡之添加漏斗添加。然 後,反應於室溫攪拌隔夜。當TLC分析顯示反應完全時, 60 200821305 反應混合物以乙酸乙酯稀釋,且以水清洗四次,且以鹽水 清洗一次。有機相於硫酸鎂乾燥,過濾,及濃縮。殘質於 石夕石凝膠上以於己烧内之5 - 40 %乙酸乙酯進行色譜分析 術而純化所欲產物(80 %,歡察到微量之鄰-烷基化產物)。 5 4 NMR (300 MHz,CDC13) δ 7.48 (d,1H),7.2 (d,1H), 6.7 (dd,1H),5·36 (s,2H),4.37 (q,2H),3.61 (t,2H),1.38 (t, 3H),0.96 (t,2H),0.00 (s,9H)。 實施例19.2·· 6-氧代-1-(2-三甲基矽烷基·乙氧基甲基)-l,6_ 二氩-噠嗪-4-羧酸乙基酯
10 I 實施例18.4之標題化合物(0.90克,5.35毫莫耳)於〇°C之 二甲基甲醯胺(20毫升)及二異丙基乙基胺(1.39毫升,8.025 毫莫耳)内攪拌,且添加(2-氣甲氧基-乙基)-三甲基-矽烷 (1·88毫升,10.70毫莫耳),且反應於〇°C持續攪拌2小時,然 15 後,於室溫攪拌隔夜。反應混合物以EtOAc稀釋,且以水及 鹽水清洗。有機相於硫酸鈉乾燥,過濾,及濃縮至矽石凝 膠上。產物藉由管柱色譜分析術(0 - 20 % EtOAc/己烷)純化 而提供標題化合物,呈澄清之油(0.85克,53 %)。 lU NMR (300 MHz, CDC13) δ 8.23 (d? 1Η)? 7.51 (s5 1Η)? 20 5.50 (s,2Η),4·41 (q,2Η),3·71 (m,2Η),1.41 (t,3Η),0·97 (m,2Η),0·00 (s,9Η)。 實施例20·1: 2-氧代·1_(2-三甲基矽烷基-乙氧基甲基)-l,2-二氩·吡啶-4-羧酸醢肼 61 200821305
實施例19.1之標題化合物(9.5克,32毫莫耳)於78°C之 乙醇(100毫升)内攪拌。肼水合物(7.8毫升,159.7毫莫耳) 添加,且反應混合物於78 °C攪拌3小時。反應混合物冷卻 5 至室溫,且濃縮至乾燥。殘質於二乙基醚内攪拌,並且過 濾而產生黃色固體(8.5克,94%)。 4 NMR (300 MHz,CDC13) δ 8.5 (bs,1H),7.52 (d,1H), 6.89 (d,1H),6.63 (dd,1H),5.36 (s,2H),3.62 (t,2H),2.9 (bs, 2H),0.95 (t,2H),0.00 (s,9H)。 10 實施例20·2: 6-氧代-1_(2-三甲基矽烷基-乙氧基甲基)-l,6- 二氫-噠嗪-4-羧酸醯肼
實施例19.2之標題化合物(0.85克,2.8毫莫耳)於乙醇内 攪拌。肼水合物(0.720克,14.2毫莫耳)添加至此溶液,且反 15 應於50 °C攪拌1小時。反應被濃縮,且以甲醇及二乙基醚 研製,而產生沈澱物,其藉由真空過濾而收集而為標題化 合物(0.56克,57 %)。 lR NMR (300 MHz, DMSO) δ 10.18 (br, 1Η)? 8.16 (d? 1Η),7·22 (d,1Η),5.33 (s,2Η),4·68 (s,2Η),3·62 (t,2Η), 20 0.85 (t,2H),-0.05 (s,9H)。 實施例21·1: 4-(5-疏基·4·甲基-4H-1,2,4-三嗅·3· 62 200821305 基)-1-{[2_(二甲基發炫基)乙氧基】甲基}呢咬^姐)·酮
實施例20.1之標題化合物(19·〇克,67〇毫莫耳)於甲醇 (150毫升)内觀半,且加熱至60〇C。然後,甲基異硫基氣酸 5酉曰(5.〇4毫升,73.7¾莫耳)經由注射器添加。攪拌分鐘後, 於水(30毫升)内之NaOH(2.95克,73·7毫莫耳)之溶液被添 加,且反應混合物於60 °C授拌隔夜。反應混合物冷卻至室 溫,並且濃縮。水性殘質被中和,以氯仿萃取,且有機居 於硫酸鈉乾燥,並且濃縮。殘質藉由矽石凝膠使用乙酸乙 10 酯純化而產生產物(24.0克,56 %)。 4 NMR (300 MHz,CDC13) δ 7.6 (d,1H),7.01 (d 1JJ) 6·61 (dd,1H),5.42 (s,2H),3.74 (s,3H),3.66 (t,2H),〇·96 (t’ 2H),0·00 (s,9H)。 ’ 以相似方式,下列化合物被合成: 實施例 結構 N-N 產 21.2 Ιττ HS 乂 N 入丫一^。 丨\ 5-(5-巯基-4-甲基 •4H-[1,2,4]三唑-3-基)-2-(2-三甲基石夕 烷基-乙氧基甲 基)-2H-噠嗪-3-酮 "86^^ 3.14 克 Η NMR 5.53 (s? 2¾ 3.76(m, 5H)? ^ ^ —------ 實施例22.1: 4_【4_甲基_5_(甲基硫基 基】-1_{【2_(三甲基珍烧基)乙氧基】甲基}吼咬_2(111)_綱 63 15 200821305
實施例21.1之標題化合物(21.6克,63.8毫莫耳)溶於水 (134毫升)中之NaOH(5.36克,134毫莫耳)之溶液。當澄清溶 液被觀察到時,乙醇(40毫升)被添加,其後添加碘甲烷(6.37 5毫升,102毫莫耳)。反應混合物於室溫攪拌隔夜。然後, 反應混合物以氯仿萃取四次,且混合之有機層於硫酸鈉乾 燥,並且濃縮而產生標題產物(22·0克,98 %)。 4 NMR (300 MHz,CDC13) δ 7.53 (d,1Η),6.74 (m, 2H),5·36 (s,2H),3.67 (s,3H),3.63 (t,2H),2.77 (s,3H), 10 0.95 (t,2H),0·00 (s,9H)。 實施例23.1: 2-甲氧基-異菸鹼酸醸肼
2-甲氧基-異菸鹼酸甲基酯(23.0克,137毫莫耳)及肼水 合物(8·95克,178毫莫耳)溶於乙醇,且於75。(:攪摔12小 15時。反應混合物被濃縮,且殘餘之固體於己烷/醚(80:20)内 研製,過濾、’及乾燥而提供標題化合物,呈固體(18 4克, 80 %) 〇 4 NMR (300 MHz,CDC13) δ 8.28 (d,1Η),7.54 (bs, 1H),7.15 (dd,1H),7.05 (s,1H),3.99 (s,3H)。 實施例24.1: 5-(2-甲氧基·吼啶·4_基)_4·甲基 64 20 200821305 唑-3-硫酵
實施例23·1之標題化合物(18.35克,109.8毫莫耳)及甲 基異硫基氰酸酯(8.83克,120毫莫耳)於60。(:一起攪拌3〇分 5 鐘。於水(32毫升)内之氳氧化鈉(4.83克,120毫莫耳)添加至 反應混合物,使其於60。(:持續攪拌12小時。反應混合物被 濃縮,且以水稀釋。以3 M HC1酸化至pH 4-5。固體沈澱出, 其被過濾,以數部份之水清洗,然後,乾燥而提供產物, 呈灰棕色固體(21·2克,87%)。 10 'H NMR (300 MHz, CDC13) δ 8.37 (dd? 1H)? 7.12 (dd, 1H),6.99 (s,1H),4.01 (s,3H),3.71 (s,3H)。 實施例25.1: 2-甲氧基_4·(4-甲基-5·甲基硫烷基-4H_丨1,2,4】 三唑-3-基)-吡啶
實施例24.1之標題化合物(21.30克,95.83毫莫耳)於冰 水浴内之1…氫氧化鈉中攪拌。於乙醇(63毫升)内之碘甲烷 (21.76克,丨53.3毫莫耳)添加至此反應。反應進行時,固體 開始沈澱出。反應於室溫攪拌12小時。反應混合物以二氯 甲炫萃取’且有機萃取物以鹽水清洗,乾燥’及濃縮而提 供標題化合物,呈白色固體(22克,97 %)。 65 20 200821305 ^ NMR (300 MHz,CDC13) δ 8.32 (dd,1H),7.20 (dd, 1H),7.01 (s,1H),3.99 (s,3H),3.64 (s,3H),2.80 (s, 3H) 〇 以相似方式,下列化合物被合成: 實施例 結構 名稱 產率 25.2 N、N /S /νΛ1Ρ , V^0叫丨、 0 ' 5-(4-甲基-5-甲 基 硫烷基 -4H-[1,2,4]三唑 -3-基)-2-(2-三甲 基矽烷基-乙氧 基甲基)-2H-噠 口秦-3 - _ 91 % 1.15 克 NMR (300 MHz,CDC13) δ 8.43 (d,1H),7.09 (d, 1H),5·49 (s,2H),3.74 (m,5H),2.82 (s,3H), 0.98 (m,2H),0.01 (s,9H) 實施例26上4-(5-甲烷磺醢基-4-甲基_4Η·[1,2,4】三唑·3· 5 基)-2-甲氧基比咬
實施例25.1之標題化合物(21.97克,92.97毫莫耳)被部 份溶解於甲醇(500毫升),且溶於水(500毫升)之OXONE®(過 氧單硫酸鉀化合物,114.3克,186.0毫莫耳)被緩慢添加。 10 反應混合物攪拌5小時。反應被部份濃縮,倒至入内,且以 氣仿萃取。有機萃取物被乾燥,過濾,及濃縮而提供標題 化合物(22克,93 %),呈白色固體。 !H NMR (300 MHz5 CDC13) δ 8.38 (dd5 1Η)9 7.17 (dd5 1Η),7.02 (s,1Η),4.04 (s,3Η),4·02 (s,3Η),3.61 (s,3Η)。 15 實施例27上4-(5-甲烷磺醢基_4-甲基-4H_[1,2,4】三唑-3_ 基)-m-吡啶-2-酮 66 200821305
實施例26.1之標題化合物(6.4克,23.9莫耳)溶於乙酸 (190毫升),且於乙醇(190毫升)内之20-30 %之溴化氫被添 加至此反應。使其於80 °C攪拌3.5小時。反應濃縮一次,以 5 乙醇稀釋,並且再次濃縮。乙醇被再次添加,且混合物以 音波處理至沈澱物形成為止。固體被過濾,且於真空下乾 燥而提供標題化合物(6.77克,85 %),呈白色固體。 lU NMR (300 MHz? CDC13) δ 3.59 (s5 3H); 3.90 (s? 3H); 6.45 (d,1H); 6.71 (s,1H); 7·59 (d,1H)。 10 實施例28上4_(5-甲烷磺醢基_4_甲基-4H-[1,2,4】三唑-3-基二甲基基乙氧基:甲基比1^-2-鋼
程序A 實施例27.1之標題化合物溶於0°C之二氯甲烷,且添加 15 4·(二甲基胺基)吡啶(29毫克)、N,N-二異丙基乙基胺(8.8毫 升,50.5毫莫耳)及2-(三甲基矽烷基)乙氧基甲基氯(7.9毫 升,44.4毫莫耳)。反應於0°C攪拌1小時,然後,加溫至室 溫持續2.5小時。反應以二氯甲烷稀釋,以數部份之水清 洗,乾燥,過濾,及濃縮。粗製產物藉由管柱色譜分析術 20 純化而提供產物(5.15克,66 %),呈白色發泡體狀之固體。 lU NMR (300 MHz? CDC13) δ 7.62 (d5 1H)5 6.79 (d? 1H)? 6.65 (dd,1H),5.4 (s,2H),4.04 (s,3H),3.68 (t,2H),3.6 (s, 67 200821305 3Η),〇·98 (t,2H),〇·〇2 (s,9H)。
程序B 對於甲醇(250毫升)内之實施例221之標題化合物(22〇 克,62·4毫莫耳)之溶液,添加於水(32〇毫升)内之〇χ〇ΝΕ® (76·7克,125毫莫耳)之溶液。白色沈澱物形成。反應混合 物於至溫勝4小時。然後,混合物以水稀釋,且以氯仿萃 取四火。有機層於硫酸鈉乾燥,並且濃縮。殘質藉由矽石 凝膠使用乙酸乙酯··甲醇(1〇〇:〇至9〇:1〇)純化產生標題化合 物,呈黏性之白色發泡體(2ΐ·〇克,87 %)。 0 H NMR (300 MHz,CDC13) δ 7.62 (d,1Η),6.79 (d,1Η), 6·65 (dd,1H),5·4 (s,2H),4·〇4 (s,3H),3·68 (t,2H),3·6 (s, 3H),0.98 (t,2H),0·02 (s,9H)。 實施例28·2: 5-(5•甲烷磺醢基_各甲基-4KH1,24】三唑_3_ 基)-2-(2_三甲基矽烷基-乙氧基甲基)_2H噠嗪_3_酮 〇4^NI .
對於甲醇(2.3¾升)内之實施例25·2(〇·22克,〇·62毫莫耳) 之標題化合物,添加於水(3.1毫升)内之〇χ〇ΝΕ® (〇·766 克,1·25毫莫耳)。反應於室溫攪拌5小時。反應混合物於二 氯甲烧及水之間分配,且水性層以數部份之二氣甲烧萃 20取。有機萃取物於硫酸鈉乾燥,過濾,及濃縮。產物藉由 管柱色譜分析術(100 % EtOAc)純化而產生標題化合物 (0.172克,72 %),呈白色固體。 200821305 巾 NMR (300 MHz,CDC13) δ 8.43 (s,1H),7.09 (s,1H), 5.52 (s,2H),3.75 (m,5H),2.82 (s,1H)1.00 (m,2H),0.02 (s, 9H)。 實施例29上2-苯甲基氧-4_(5-甲烷磺醯基-4-甲基-4H_[1,2,4】 5 三唑-3-基)-吡咬
實施例27.1之標題化合物(0.95克,3.7毫莫耳)及碳酸銀 (1)(1.23克,4.48毫莫耳)於圓底燒瓶内混合,且以氮氣吹 掃。添加曱苯(10毫升),其後添加苯甲溴(0.53毫升,4.48 10 毫莫耳),且反應於室溫攪拌72小時。然後,銀鹽藉由經矽 藻土過濾而移除,然後,以二氣甲烧清洗。過濾、物被濃縮, 然後,藉由於矽石凝膠上以於二氯甲烷内之0-10%乙酸乙 酯之管柱色譜分析術純化而產生標題化合物(灰白色固 體,549毫克,43 %)。 15 NMR (300 MHz? CDC13) δ 3.52 (s5 3H); 3.93 (s5 3H); 5.44 (s? 3H); 7.06 (d? 1H); 7.17 (dd? 1H); 7.34 (m? 3H); 7.47 (m,2H); 8.33 (d,1H)。 實施例30·1: 1-甲基-2-氧代-1,2-二氣比咬-4-叛酸甲基酿
20 2-氧代-1,2-二氫吡啶-4-羧酸(5.0克,36毫莫耳)及碳酸 鉀(24.8克,179毫莫耳)於室溫之DMF(75毫升)内攪拌。碘 甲烷(6.72毫升,108毫莫耳)經由注射器緩慢添加,且反應 69 200821305 混合物於室溫攪拌3天。然後,反應混合物以水稀釋,且以 二氯甲烷萃取至產物自水性相移除為止。混合之有機物於 硫酸鎂乾燥,並且濃縮,然後,於矽石凝膠上以乙酸乙酯 進行色譜分析術產生標題化合物(4克,66 %)。 H NMR (300 MHz, CDC13) δ 3.57 (s,3H); 3.89 (s,3H); 6.65 (d,1H); 7.14 (s,1H); 7.39 (d,1H)。 實施例31·1: 1-甲基·2-氧代-1,2-二氮比淀-4-叛酸酸耕·
實施例30.1之標題化合物(4克,24毫莫耳)溶於乙醇, 10 且於78 °C攪拌。肼水合物(5.8毫升,120毫莫耳)經由注射 器添加,且反應於78 °C攪拌3小時,此時,起始物料藉由 TLC係不再見到。然後,反應混合物(澄清溶液)冷卻至室 溫,且以二乙基醚稀釋而沈澱產物,其藉由真空過濾收集 而產生標題化合物,呈淡黃色固體(3.13克,78 %)。 15 lR NMR (300 MHz, CDC13) δ 3.42 (s? 3H); 4.53 (sb? 2H); 6.48 (d,1H); 6.73 (s,1H); 7.75 (d,1H); 9.90 (sb,1H)。 實施例32·1: 4_(5-酼基-4-甲基-4H-丨1,2,4】三唑-3-基)-1•甲基 -1H_吡啶-2-酮
實施例31.1之標題化合物(1.0克,5.98毫莫耳)於60°C之 甲醇(6毫升)内攪拌。甲基異硫基氰酸酯(481毫克,6.58毫 莫耳)溶於曱醇(2毫升),且添加至反應混合物,其被攪拌15 70 200821305 分鐘。15分鐘後,於水(2毫升)内之氫氧化鈉(263毫克)之溶 液添加至反應混合物,其於60 °C持續攪拌隔夜。然後,反 應混合物於真空中濃縮而移除甲醇,且剩餘之殘質於3 Μ HC1 (含水)内攪拌而沈澱出產物,其藉由真空過濾收集(灰白 5 色粉末,1.2克,90 %)。 1h NMR (300 MHz, CDC13) δ: 3.47 (s,3H); 3.57 (s, 3H); 6.51 (d,1H); 6·78 (s,1H); 7.86 (d,1H); 14.09 (sb,1Η)。 實施例33·1: 1-甲基-4-(4-甲基_5_甲基硫烷基一私丨^川三 1^-3-基)-111_||比|!$>-2-83
實施例32·1之標題化合物(600毫克,2·7毫莫耳)溶於氫 氧化鈉(216毫克,5.4毫莫耳)及水(5毫升)之溶液,當澄清均 勻溶液被觀察到時,添加乙醇(6毫升),其後添加埃甲烧(268 pL ’ 4.3宅莫耳)。反應於室溫撲掉6小時。然後,反應混合 15物以水稀釋,且以氣仿萃取四次。有機相於硫酸鎂乾燥, 過濾’及漠縮而產生標題化合物(微黃色固體,5⑻毫克, 78 %) 〇 巾醒尺(300 MHz,CDC13) δ 2.79 (s,3H); 3.61 (s,3H); 3.69 (s,3H); 6.74 (m,2H); 7.42 (d,1Η)。 20實施例如·1: 4_(5_甲烷磺醢基_4-甲基-4H_U,2,4】三唑-3-基)_1_甲基-111_吼咬-2·酮
71 200821305 實施例33」之標題化合物_毫克,2 n毫莫耳)溶於冰 醋酸(6.5毫升)。對此溶液,添加高猛酸卸(5〇ι毫克,3 ^ 毫莫耳)之/合;^形成之標色反應混合物於室溫擾摔3小 時。當TLC分析確認所有起始物料消耗掉時,反應藉由添 5加亞硫酸鈉(飽和水溶液)淬炮,然後,藉由小心添㈣_ 溶液而中和。產物以氯仿萃取三次。混合之有機物於硫酸 鎮乾燥,過渡,及濃縮,然後,於石夕石凝膠上以於乙酸乙 醋之0-10 〇/〇甲醇進行色錯分析術產生最終產物(淡灰白 色固體,327毫克,57 %)。 ° lH 醒R (_ MHz,CDC13) δ 3·59 (s,3Η); 3·62 (s,3H); 4.02 (s,3H); 6.58 (dd,1H); 6·79 (d,1H); 7·48 (d,1Η)。 實施例35·1·· 2_苯甲基氧-4-(5_{1χ3|苯基)異噁唑_3_ 基l·乙氧基}·4_甲基_411_[1,2,4】三唑各基X咬
15 實施例29.1之標題化合物(103毫克,0.298毫莫耳)、實 施例7.1之標題化合物(1〇〇毫克,0.4471毫莫耳)及碳酸铯 (291毫克,0.894毫莫耳)於以氮氣吹掃之螺旋蓋玻璃瓶内混 合。添加二甲基曱醯胺(3毫升),且反應於65 °C攪拌隔夜。 然後,反應混合物冷卻至室溫,以水稀釋,且以二氣甲院 20 萃取三次。混合之有機物於硫酸鎂乾燥,過濾,及濃縮, 然後藉由於矽石凝膠上以二氯甲烷且其後以乙酸乙s旨進行 色譜分析術而產生標題化合物(129.4毫克,58 %)。 'H NMR (300 MHz, CDC13) δ 1.91 (d, 3H); 3.56 (s? 3H); 72 200821305 5.41 (s,2H); 6.33 (q,1H); 6.72 (s,1H); 7.04 (s,1H); 7.25 (d, 1H); 7.35 (m,5H); 7.46 (m 2H); 7.63 (m,1H); 7.73 (s,1H); 8.27 (d,1H)。 下列化合物係以相似方式合成: 73 200821305 實施例 結構 名稱 產率 35.2 O-N 1 2-苯曱基氧 -4-{5-[5·(3'氣-苯 基)-異噁唑-3-基 甲氧基]-4-甲基 -4H_[1,2,4]三唑 -3-基}-0比°^ 64.5毫克 78% 澄清之油 ]H NMR (300 MHz, CDC13) δ 3.63 (s,3H (s9 1H); 7.07 (s? 1H); 7.28 (m? 1 7.69 (m,1H); 7.79 (s,1H); 8.32 [);5.44 (s,2H); 5.69 (s,2H); 6.84 H); 7.40 (m5 5H); 7.49 (m9 2H); 〔d,1H) 35.3 Cl /\ 4-(5-{(lR)-l-[2-( 3-氣苯基)-2H-四 唑-5-基]乙氧 基}-4_甲基 -4H-1,2,4-三唑-3-基)-1-{[2-(三甲 基矽烷基)乙氧 基]甲基} σ比啶 -2(1Η)-酮 241毫克 66% 黃色油 NMR (300 MHz? CDC13) δ 0.97 (t5 2H); 2.03 (d9 3H); 3.65 (s? 3H); 3.65 (t,2H); 5.38 (s,2H); 6.59 (q,1H); 6.75 (s,1H); 6.83 (d,1H); 7.51 (m,3H); 8.06 (m,1H); 8·18 (s,1H) 35.4 Cl /\ 4-(5-{(lR)-l-[5-( 3-氣苯基)-l,2,4-噁二唑-3-基]乙 氧基}-4-甲基 -411-1,2,4_三唑-3· 基)-1-{[2_(三甲 基矽烷基)乙氧 基]甲基}吼啶 -2(1H)-酮 6.59 克 79% 白色發泡 體狀之固 體 lR NMR (300 MHz,CDC13) δ 8.15 (t,1H),8.04 (m, 1H),7.58 (m,1H), 7.51 (m,2H),6.84 (dd,1H),6.75 (d,1H),6.4 (q,1H),5.38 (s, 2H),3.67 (s,3H), 3.65 (t,2H),1.95 (d,3H),0.97 (t, 2H),0.01 (s, 9H) 35.5 O-N 1 2-苯曱基氧 -4-(5-{(R)-l-[5-(3 •氯-苯基)·異噁唑 -3-基]-乙乳 基}-4- 甲基-4H-[1,2,4] 三嗤-3-基)-111比淀 200毫克 70% 澄清之油 74 200821305 NMR 1.91 (d,3H); 3.56 (s,3H); 5.41 (s,2H); 6.33 (q,1H); 6.72 (s,1H); 7.04 (s? 1H); 7.25 (d? 1H); 7.35 (m9 5H); 7.46 (m 2H); 7.63 (m? 1H); 7.73 (s51H); 8.27 (d51H) 35.6 0 \ 5-(5-{l-[5-(3-氣-苯基Hl,2,4 ]噁二唑_3-基]-乙 氧基}-4_甲基-4 H-[l,2,4]三唑-3-基)-2-(2-三甲基 矽烷基-乙氧基曱 基)-2H-噠嗪-3-酮 0.054 克 23% lU NMR (300 MHz,CDC13) δ 8.47 (d,1H),8.13 (s,1H),8.02 (m,1H), 7.59 (m,1H),7.50 (t5 1H),7.07 (d,1H),6.40 (q,1H),5.50 (s, 2H),3.73 (m,5H),1.96 (d,3H),0.99 (m,2H) 35.7 0 \ 5-(5-{1-[5-(3-氣-苯基)-異噁唑-3-基]-乙氧基}-4-甲 基-4H-[1,2,4]三 坐-3-基)-2-(2-三 甲基矽烷基-乙氧 基甲基)-2H-噠嗪 -3-闕 0.145 克 43% NMR (300 MHz,CDC13) δ 8.46 (s,1H),7.85 (s,1H),7·74 (m,1H), 7.66 (m,2H),7.05 (d,1H),6.69 (s,1H),6.34 (q,1H),5.49 (s, 2H),3.72 (t,2H),3.65 (s,3H),1.92 (d,3H),0.98 (m,2H),0·00 (s, 9H) 35.8 0 \ 5-(5-{1-[5·(3-甲 基-苯基)-異°惡β坐 -3-基]-乙氧 基}-4-甲基 -4H-[1,2,4]三唾 -3-基)-2-(2-三甲 基矽烷基-乙氧基 甲基)·2Η-噠嗪-3- 酮 0.120 克 45% NMR (300 MHz,CDC13) δ 8·49 (s,1H),7·82 (s,1H),7.79 (m5 1H), 7.36 (t,1H),7.26 (d,1H),7.06 (d,1H),6.64 (s5 1H),6.36 (q, 1H),5.58 (s,2H),3.74 (t,2H),3.66 (s,3H),2.42 (s,3H),1.93 (d,3H),0.98 (t,2H),0·00 (s,9H) 75 200821305 35.9 介心〜一、 0 ' 5-(5-{l-[2-(3-甲 基-苯基)-2H-四 唑-5-基]-乙氧 基}_4_甲基 唇[1, 2,4]三唑-3-基)-2-(2-三甲基 矽烷基-乙氧基甲 0.603 克 97 %, NMR (300 ΜΗζ,CDC13) δ 8·48 (d,1Η),7·94 (d,1Η),7.91 (d,1Η), 7.44 (t, 1H),7.31 (d,1H),7.05 (d,1H),6.60 (q, 1H),5.50 (s, 2H),3.73 (t,2H),3.68(s,3H),2.48(s,3H),2.02 (d,3H),0.99 (t, 2H),0.00 (s,9H) 35.10 0 \ 5-(5-{1-[2-(3-氯-苯基)-2Η-四唑-5-基]-乙氧基} _4_甲 基-4Η-[1, 2,4]三唑-3-基)-2-(2-三甲基 矽烷基-乙氧基甲 0.136 克 58 %, NMR (300 MHz,CDC13) δ 8.46 (d5 1H),8.16 (s,1H),8.05 (m,1H), 7.50 (m,2H),7.06 (d,1H),6.60 (q,1H),5.52 (s,2H),3.70 (m, 5H), 2.03 (d,3H),0.99 (m,2H),0.00 (s,9H) 實施例36上4-(5-{(lR)_l_丨5_(3-氣苯基)異噁唑_3_基】乙氧 基}-4·甲基二峻-3-基》)-1·甲基11 比 ι^-2(1Η)-網
實施例17.1之標題化合物(96毫克,0.43毫莫耳)、實施 5 例34.1之標題化合物(100毫克,0.36毫莫耳)及碳酸鉋(419 毫克,1.29毫莫耳)於以氮氣吹掃之螺旋蓋玻璃瓶内以攪拌 棒混合。混合之試劑於DMF内攪拌,且加熱至60 °C持續隔 夜。然後,反應混合物以水稀釋,且以氯仿萃取三次。有 機相於硫酸鎂乾燥,過濾,且濃縮,然後以於乙酸乙酯内 76 200821305 之0 - 10 %甲醇進行色譜分析術(淡色固體,105毫克,68 %)。 lU NMR (300 MHz, CDC13) δ 1.89 (d. 3H); 3.56 (s, 3H); 3.57 (s,3H); 6.31 (q,1H); 6.73 (m,3H); 7.38 (m,3H); 7.64 5 (m,1H); 7.73 (s,1H)。 下列化合物以相似方式製造: 實施例 結構 名稱 產率 36.2 ο,^Λ^ντ0 ο-Ν I 4-(5-{(R)-l-[5 -(3-氯-苯 基)-[l,2,4]噁 二唑-3·基]-乙 氧基}-4-曱基 -4Η-[1,2,4]三 唑-3-基)-1-甲 基-1H-吡啶-2· 酮 40 % lU NMR 〔300 ΜΗζ,CDC13) δ 3H); 3.63 (s? 3H); 6.3 2H); 7·37 (d,1H); 7" 1H); 8.00 (d? 1H); 8.1 1.93 (d,3H); 3.57 (s, 丨8 (q,1H); 6.76 (m, \Ί (t? 1H); 7.55 (m? [1 (s,1H) 36.3 I N—N C丨人入乂 N尺 Ο-Ν 1 4-(5_{l-[5-(3-氯-苯基)-異嗔 唑-3_基]-乙氧 基}-4-甲基 -4H-[1,2,4]三 唑-3-基)-1-甲 基-1H-吡啶-2-酮 57 % NMR (300 MHz,CDC13) δ 1.89 (d. 3H); 3.56 (s, 3H); 3.57 (s9 3H); 6.31 (q9 1H); 6.73 (m? 3H); 7.38 (m,3H); 7.64 (m,1H); 7.73 (s, 1H) 77 200821305 36.4 c,A'nW〇 N=N 丨 K 4-(5-{(R)-l-[2 -(3-氯-苯 基)-2H-四唑 -5 -基]-乙氧 基}-4-甲基 4H_[1,2,4]三 唑-3-基)-1-甲 基-1H-吡啶-2-酮 83 % NMR (300 MHz, CDC13) δ 2.00 (d? 3H); 3.57 (s? 3H); 3.62 (s,3H); 6.56 (q,1H); 6.75 (m, 2h); 7.38 (D, lh); 7.48 (M9 2h); 8.03 (m? 1H); 8.14 (s,1H) 實施例37·1: 4-(5·{1_[5-(3-氯苯基)異噁唑-3-基】-乙氧 基}-4_甲基-411-丨1,2,4】三唑_3-基)-111-吡啶-2-酮
程序A
5 實施例35.1之標題化合物(125毫克,0.256毫莫耳)於乙 醇(2毫升)内攪拌。於碳上之鈀(10 %,50毫克)被添加,且 反應於氫(氣球壓力)下攪拌隔夜。然後,反應混合物以二氯 甲烷稀釋,且過濾移除鈀催化劑。過濾物被濃縮,然後, 以於乙酸乙酯内之10%甲醇進行色譜分析術產生所欲產物 10 (38.5毫克,38 %)。 !H NMR (300 MHz? CDC13) δ 1.88 (d5 3H); 3.65 (s, 3H); 4·34 (sb,1H); 6.26 (q,1H); 6.73 (m,3H); 7.42 (m,3H); 7.66 (m,1H); 7.75 (s,1H)。 下列化合物以相似方式合成: 實施例 結構 名稱 產率 78 200821305
30% >登清之 油 基)-異噁唾-3-基甲30。/ 氧基]-4Η·[ 1,2,4]澄清之 三嗤各基卜出-吼油 咬-2-酮
基}-411-[1,2,4]三 唾-3 -基)-1Η- °比咬 -2-嗣
1H); 7.65 (m,1H); 7·75 (s,1Η) 實施例 38·1 ·· 4-(5-{(R)-l_[5-(3·氣苯基)-[1,2,4〗 基】-乙氧基}-4-甲基-411-【1,2,4】三唑-3-基)_111-吡唆_2, 程序1
5 TBAF(l.〇M,於THF内,37.4毫升,37.4毫莫耳)添加至 於THF(116毫升内之實施例35·4(6·59克,12.4毫莫耳)之、、曰 合物,且反應混合物於55 〇C加熱3小時。小量之起始物料 持續維持,因此,另外之TBAF(6.2毫升,6.2毫莫耳)被添加。 反應混合物於55。(:進一步加熱30分鐘。反應混合物冷卻至 10室溫,並且濃縮。殘質以二氣甲烷稀釋,以水清洗三次, 於硫酸鈉乾燥’並且濃縮。殘質藉由矽石凝膠使用二氯甲 院:於MeOH内之2 M1HH3(100 : 0至94 : 6)純化產生產物。 隔離之產物以二乙基醚及曱醇之混合物研製產生最終產物 (2.43克,49 %)。 79 200821305 巾 NMR (300 MHz,CDC13) δ 8·15 (t,1H),8 〇2 (m, 1H),7.58 (m,1H),7.48 (m,2H),6·88 (dd,1H),6 8 (d,1H), 6.41 (q,1H),3.67 (s,3H),1.96 (d,3H)。 程序2 5 實施例35·4之標題化合物(8·8克,16.6亳莫耳)溶於二氣 曱烷(130毫升),且於〇°C之氮氣下攪拌。氯化二甲基銨(1M 溶液,於己㈣,66.5毫升,66.5毫莫耳)經由注射器緩慢 添加至反應混合物。然後,反應加溫至室溫,且擾摔至TLC 分析顯示起始物料被消耗掉為止(〜2小時)。然後,反應再次 10冷卻至〇 °C,且藉由以滴液方式小心添加甲醇(5毫升)而淬 熄。然後,反應與於水(200毫升)内之檸檬酸(4〇克)之溶液 攪拌1小時。有機相被分離’且水性相以氣仿再萃取兩次。 然後’混合之有機物以水清洗一次,於硫酸鎂乾燥,過濾, 及濃縮。殘質於矽石凝膠上以於乙酸乙酯及二氯曱烷之1:1 15混合物内之〇 — 10 %甲醇進行色譜分析術產生所欲產物,其 自二乙基醚研製,且藉由過濾隔離。 手性純度(>99%),其係使用chiralpakAD以EtOH:異丙 醇(50:50),流速1毫升/分鐘,且溫度係4〇 〇c而決定。滞留 時間係6.49分。 下列化合物係以相似方式製備: 實施例 — 名稱 產率 38.2 初 Η Cl 4-(5-{(lR)-l-[2-(3-氣苯四峻 -5-基]乙氧基}-4-甲基-4H-1,2,4-三 唾-3-基)°比咬 -2(1H)-酮 103.9毫克 55% 白色固體 80 200821305 !H (300 MHz,CDC13) δ 1.99 (d,3H); 3.62 (s,3H); 6·56 (q 1HV ^ 6.77 (s51H); 6.81 (d91H); 7.47 (m5 3H); 8.00 (m91H); 8.11 (s? 實施例38·3: 5·(5-{1·丨2-(3_氯·苯基)_2H-四唑_5_基卜乙氧 基}_4_甲基-4H-[1,2,4】三唑_3·基)·2Η-噠嗪_3-酮
實施例35.3之標題化合物(〇·ΐ36克,0.26毫莫耳)溶於二 5氣甲烧(2.5¾升)’且冷卻至0 °C。添加氯二甲基|呂(lom, 於己烷内,1.5毫升),且反應於〇 °C攪拌30分鐘,且加溫至 室溫持續1小時。反應以於水(3毫升)之甲醇(〇.5毫升)檸檬酸 (〇·5克)淬熄。反應混合物以數部份之氯仿萃取,且有機萃 取物於硫酸鈉乾燥,過濾,及濃縮。產物藉由管柱色譜分 10 析術(於MeOH/二氯甲烷内之1% 2M NH3)純化產生標題化 合物(0.025克,24%)。 'H NMR (300 MHz5 CDC13) δ 10.90 (s? 1H)? 8.48 (d? 1H),8.17 (s,1H),8.06 (m,1H),7.51 (m,2H),7.09 (d,1H), 6.61 (q,1H),3.70 (s,3H),2.04 (d,3H)。 15 以相似方式,下列化合物被合成: 81 200821305 實施例 結構 名稱 產率 38.4 0 5-(5-{l,[5-(3_ 氯 _ 苯基)-[1,2,4]噁二 唑-3-基]-乙氧 基}-4-甲基 -4H-[1,2,4]三唑-3_ ;^)-2Η· °達σ秦-3 -網 37% 0.015 克 NMR (300 MHz, CDC13) δ 11.18 (s,1H),8.49 (d,1H),8.14 (s,1H), 8.03 (d,1H),7.60 (m,1H),7.50 (t,1H),7.11 (d,1H),6.42 (q, 1H),3.71 (s, 3H), 1.97 (d,3H) 38.5 0 5-(5-{1-[5-(3_ 氣 _ 苯基)-異噁唑各 基]-乙氧基}-4-甲 基-4Η-[1,2,4]三峻 -3-基)-2Η-噠嗪-3-酮 39% 0.042 克 lU NMR (300 MHz,CDC13) δ 11.10 (s,1H),8.49 (d,1H),7.77 (s,1H), 7.67 (m,1H),7.44 (m,2H),7.10 (d,1H),6.70 (s, 1H),6.37 (q, 1H),3.68 (s, 3H),1.94 (d,3H) 38.6 Me 、N〆 5-{4- 甲 基 -5-[(R)-l-(2-間-甲 苯基-2H-四唑-5· 基)-乙氧 基]_4H-[1,2,4]三 唑-3-基}-2沁噠嗪 -3-酮 20% 0.089 克 lU NMR (300 MHz,CDC13) δ 10.79 (s,1 7.45 (t,1H),7.33 (m,1H),7.C 3H),2.49(s,3H),2.05 (d,3H: ίΗ), 8.49 (d,1H),7·94 (m,2H), 丨9 (d,1H),6.62 (q,1H),3.69 (s, 38.7 0 5-{4- 甲 基 -5-[(R)-l-(5-間-甲 苯基-異噁唑-3· 基)-乙氧 基]-4H-[1,2,4]三 唑-3-基}-2沁噠嗪 -3-81¾ 55% 0.050 克 NMR (300 MHz,CDC13) δ 11.18 (s,1H), 8.50 (d,1H),7.58 (m,2H), 7.34 (t,1H),7·27 (m,1H),7·10 (d,1H),6.66 (s,1H),6.38 (q, 1H), 3.67 (s,3H),2.42 (s,3H),1.94 (d,3H) 生物評估 於表現mGluR5D之細胞株内之mGluR5拮抗作用之功能評 82 200821305 估 本發明化合物之性質係使用藥理活性標準分析作分 析。麵胺酸受體分析之例子係此項技藝已知,例如,描述 於 Aramori 等人之 8:757 (1992)、Tanabe 等人之 5 8:169 (1992)、Miller等人之*/· ⑼ce 15: 6103 (1995)、Balazs等人之/· ⑷rj; 69:151 (1997)。此 等公告文獻所述之方法在此被併入以供參考之用。方便 地,本發明之化合物可藉由測量表現mGluR5之細胞内之細 胞内之鈣[Ca2+]i之活動之分析(FLIPR),或測量磷酸肌醇轉 10 換率之另一分析(IP3)而研究。 FLIPR分析
WO97/05252中所述之表現人類mGluR5d之細胞係於 具黑色側面之以膠原蛋白塗覆之透明底之96-孔之盤上,以 每一孔100,000個細胞之密度播種,實驗係於播種後進行24 15 小時。所有分析係於含有127 Mm之NaC卜5 mM之KC1、2 mM之MgCl2、0.7 mM之NaH2P04、2 mM之CaCl2、0.422 毫 克/毫升之NaHC03、2.4毫克/毫升之HEPES、1.8毫克/毫升 之葡萄糖,及1毫克/毫升之BSAIV分級物(pH 7.4)之緩衝液 内為之。於96孔盤内之細胞培養液被載荷於含有於0.01% 20 氧化異丙烯酸(適當之非離子性表面活性劑多元醇-CAS 編號9003-11-6)内之4 μΜ之乙醯氧基甲基酯型式之螢光鈣 指示劑之fluo-3(Molecular Probes,Eugene,Oregon)之上述 緩衝液内60分鐘。於此載荷時間後,fluo-3緩衝液被移除, 且以新的分析緩衝液替代。FLIPR實驗係使用0.800 W之雷 83 200821305 射設定及0.4秒CCD相機快門速度且激化及發射之波長個 別為488 nm及562 nm而為之。每一實驗係以細胞盤内之每 一孔存在160 μΐ緩衝液而起始。自拮抗劑盤之40 μΐ添加後 係自激動劑盤之50 μί添加。90秒之間隔分隔拮抗劑及激動 5 劑之添加。螢光信號係於此二添加之每一者後立即以1秒為 間隔取樣50次,其後以5秒鐘間隔取3個樣品。反應係以取 樣期間内對激動劑之反應之峰高度減除背景螢光之差而測 量。ICm之決定係使用線性最小平方擬合程式為之。 IP3分析 10 mGluR5d之另外的功能性分析係描述於 WO97/05252,且係以磷脂醯肌醇轉換為基礎。受體活化刺 激磷酯酶C活性且導致增加形成肌醇1,4,5,三磷酸酯(ip3)。 穩定表現人類mGluR5d之GHEK係以於含有1 gCi/孔之[3H] myo-肌醇之介質内40 X 1〇4個細胞/孔播種至24孔之以聚 15 _L-賴胺酸塗覆之盤上。細胞被培育隔夜(16小時),然後清 洗二次,且於以1早元/ ¾升之麵胺酸丙_酸鹽轉胺酶及2 mM之丙酮酸鹽補充之以HEPES緩衝之生理食鹽水(146 mM之NaC卜 4.2 mM之KC卜 0.5 mM之MgCl2、〇·1〇/0之葡萄 糖、20 mM之HEPES,pH 7.4)内於37°C培育1小時。細胞於 2〇以HEPES緩衝之生理食鹽水内清洗一次,且於含有1〇 mM 之LiCl之以HEPES緩衝之生理食鹽水内預先培育1〇分鐘。 化合物係複製地於37°C培育15分鐘,然後,添加麩胺酸(8〇 μΜ)或DHPG(30 μΜ) ’且另外培育30分鐘。反應係藉由添 加於冰上之0.5毫升之過濾酸(5%)且於4〇C培育至少3〇分鐘 84 200821305 而終結。樣品收集於15毫升之聚丙烯管件内,且肌醇磷酸 酯係使用離子交換樹脂(Dowex AG1-X8甲酸酯型式, 200-400篩目,BIORAD)管柱分離。肌醇磷酸酯之分離係藉 . 由先以8毫升之30 mM甲酸銨洗提甘油磷脂醯肌醇而為 • 5 之。其次,全部之肌醇磷酸酯以8毫升之700 mM甲酸銨/ 1〇〇 mM甲酸洗提,且收集於閃爍計數瓶内。然後,此洗提物與 8毫升之閃爍劑混合,且[3H]肌醇併納係藉由閃爍計數而決 定。複製樣品之dpm計數被繪圖,且IC50之決定係使用線性 最小平方擬合程序產生。 10 細寫 BSA 牛血清蛋白 CCD 電荷偶合裝置 CRC 濃度反應曲線 DHPG 3,5-二羥基苯基甘胺酸 15 DPM 衰變率/分鐘 EDTA 乙二胺四乙酸 FLIPR 螢光成像閱讀儀 GHEK 含GLAST之人類胚胎腎 GLAST 麵胺酸/天冬胺酸轉運蛋白 20 HEPES 4-(2-經基乙基)_1-呢咬乙烧績酸(緩衝液) IPs 肌醇三磷酸酯 一般,化合物於上述分析係具活性,且IC5G值係少於1〇 000 nM。於本發明之一方面,lC5〇值係少於1〇〇〇 nM。於本 發明之另一方面,IC50值係少於1〇〇ηΜ。下列係於FLIPR分 85 200821305 析中被選定之實施例之數據。 實施例編號 FLIPR mGluR5 IC5〇 (nM) 36.1 19 36.2 20 37.2 >3000, >3000, 1576 37.3 10 38.1 13 38.2 9 38.3 6 38.4 15 38.5 8 38.6 7 38.7 12 大鼠之m對血漿之比例(“B/p比例”)之決定 腦對血滎之比例係於母的Sprague Dawley大鼠内評 估。化合物溶於水或另外之適當載劑内。為了決定腦對血 5 漿之比例,化合物係以皮下,或靜脈快速注射,或靜脈輸 液,或口服投藥而技用。於投藥後之預定時間點,血液樣 品係以心臟穿刺取得。大鼠係藉由使心臟切開而終結。且 腦部被立即保留。血液樣品被收集於綠頭管内,且進行離 心作用30分鐘,以使血漿自血液細胞分離出。血漿被轉移 10 至96-孔之盤,且於-20°C貯存至分析為止。腦部被分割成 半,且每一半被置於預先塗上焦油之管件内,且於-20°C貯 存至分析為止。分析前,腦部樣品被融解且具蒸餾水之3毫 升/克之腦部組織添加至管件。腦部樣品於冰浴内進行音波 處理至樣品均質化為止。腦部及血漿樣品以乙腈沈澱。離 15 心處理之後,上層清液以0.2 %曱酸稀釋。分析係於以快速 86 200821305 梯度洗k之短的逆相HPLC管柱上及使用具電喷丨麗離子化 及選擇性反應監測(SRM)採集之三段四極桿儀器之msms 檢測而實施。液-液萃取可作為另類之樣品清理。樣品係於 添加適合緩衝液後藉由搖動而萃取至有機溶劑。有機層之 5專分樣品被轉移至新的玻璃瓶,且於氮氣流下蒸發至乾 燥。於殘質重新建構後,樣品可用於注射於Hplc管柱上。 身又’依據本發明之化合物係以大鼠内之腦部内之藥 物對血漿内之藥物之比例為<〇·5而作周圍限制。下表中所 示係本發明之代表化合物之比例。為了比較之目的,此項 10 技藝已知之化合物之相對應比例亦被呈現。 實施例 結構 B/P 比例 比較之化合物 B/P 比例 37.3 0.02 0.80 缔選對TLESR具活性之化合物 被训練能站在Pavlov吊索之兩種性別之Adult Labrador 獵犬被使用。黏膜至皮膚之食道造口術被形成,且犬隻於 任何實驗被實施前完全恢復。 15 動力檢測 簡言之,以自由供應水約17小時之斷食後,多腔套筒/ 邊孔組件(Dentsleeve,Adelaide,South Australia)經由食道造 口術引入以測量胃部、下食道括約肌(LES)及食道之壓力。 此組件係使用低順應性測壓式灌注泵(Dentsleeve,Adelaide, 20 s〇uth Australia)以水灌注。以空氣灌注之管件通件係以口腔 方向通過,且銻電極監測pH,於LES上方3公分。所有信號 於個人電腦上於10 Hz放大及獲得。 當無斷食之胃/LES第III相運動活性之基線測量已被獲 87 200821305 得時’安慰劑(0.9% NaC1)或測試化合物係經靜脈投藥(i v” 0.5¾克/公斤)至前腿靜脈内。經靜脈投藥後分鐘,營養 餐(1〇%之蛋白,5%之D-葡萄糖,5%之英脫利匹特,PH 3.0) 係經由組件之中間腔以1 〇 〇毫升/分鐘灌注於 胃部内至30毫 5升/公斤之最終體積。營養餐之灌注後係以500毫升/分鐘之 速率以空氣灌注至獲得1〇±1 mmHg之胃内壓為止。然後, 使用灌注果作進一步之空氣灌注或自胃部排放空氣而使此 壓力於整個實驗期間維持於此程度。自營養素灌注開始至 空氣吹入結束之實驗時間係45分鐘。此程序係以引起 10 TLESR之可信賴手段而確認。 TLESR係定義為下食道括約肌(相對於胃内壓力)以 >1 mmHg/s之速率減少。鬆弛於其開始前不應採用£2s之咽 喉信號,於此情況,此鬆弛被歸類為呑嚥誘發。LES及胃部 間之壓力差需少於2 mmHg,且完全鬆弛之時間多於1秒。 15 【圖式簡單說明】 (無) 【主要元件符號說明】 (無) 88
Claims (1)
- 200821305 十、申請專利範圍: 1. 一種化學式⑴之化合物,其中 5 R1係選自甲基、i素,及氰基所組成之族群; R2係選自氫,及氟所組成之族群; R3係選自氫,及C!-C3烷基所組成之族群; R4係選自氫,及CrC3烷基所組成之族群; R5係選自CVC3烧基,及環丙基所組成之族群; 10 X係選自如下所組成之族群:且Z係選自如下所組成之族群: 89 200821305其中 R6係選自氫、C1-C3烧基、C1-C3鹵院基、C1-C3烧氧基、 CrCs鹵烷氧基,及鹵素所組成之族群; 5 10 R7係選自氫、C1-C3烧基、Ci-C3_烧基、C1-C3烧氧基、 Ci-C3鹵烷氧基,及鹵素所組成之族群; 或其藥學可接受之鹽、水合物、異構物、互變異構物或 對映體。 2·如申請專利範圍第〗項之化合物, 組成之族群 z係選自如下所 90 2008213053·如申請專利範圍第2項之化合物,其中,R3係crC3烷基, 且R係氫。 4·如申請專利範圍第2項之化合物,其中,R3係Ci_c3烧基, 5 且汉4係CVQ烷基。 5·如申請專利範圍第1-4項中任一項之化合物,其中,R5 係甲基。 6·如申請專利範圍第1-5項中任一項之化合物,其中,Ri 係氣。 7·如申晴專利範圍第1_6項中任一項之化合物,其中,R2 係氫。 8·如申請專利範圍第1-7項中任一項之化合物,其中,R5 係甲基。 9·如申請專利範圍第丨_8項中任一項之化合物,其中,r6 15 係氫。 1〇·如申請專利範圍第丨-8項中任一項之化合物,其中,R6 係CrC3烷基。 U•如申請專利範圍第M〇項中任一項之化合物,其中,R7 係氫。 U·如申請專利範圍第M〇項中任一項之化合物,其中,R7 係CrC3烷基。 91 200821305 13. —種化合物,其係選自如下所組成之族群: 4-(5-{(lR)-l-[5-(3-氯苯基)異噁唑-3-基]乙氧基}-4-甲基 -4H-1,2,4-三唑-3-基)-1-甲基吡啶-2(1H)-酮 4-(5-{(1幻-1-[5-(3-氣苯基)-1,2,4-°惡二°坐-3-基]乙乳 5 基}-4-甲基-4H-1,2,4-三唑-3-基)-1-甲基吡啶-2(1H)-酮; 4-(5-{1-[5-(3-氯苯基)異°惡。坐-3-基]乙氧基}·4-甲基 -4Η-1,2,4-三唑-3-基)口比啶-2(1Η)-酮; 4-(5-{[5·(3-氯苯基)異噁唑-3-基]甲氧基}-4-甲基 -4Η_1,2,4-三唑-3_ 基)吡啶·2(1Η)_ 酮; 10 4-(5-{(lR)-l-[5-(3-氯苯基)異噁唑-3-基]乙氧基}-4-甲基 -4Η·1,2,4_ 三唑-3-基)吼啶-2(1H)_ 酮; 4-(5_{(lR)-l-[5-(3-氯苯基)-1,2,4-噁二唑-3-基]乙氧 基}_4_甲基-4H-1,2,4_三唑-3-基)口比啶-2(1H)·酮; 4- (5_{(lR)_l_[2-(3-氯苯基)-2H-四唑_5_基]乙氧基}-4-甲 15 基-4H-1,2,4-三唑-3-基)吡啶-2(1H)_ 酮; 5- (5-{(lR)-l-[2-(3-氯苯基)-2H-四唑-5-基]乙氧基}_4-甲 基-4H-1,2,4-三唑-3-基)噠嗪-3(2H)·酮; 5-(5_{(lR)-l_[5_(3-氯苯基)-1,2,4-噁二唑-3-基]乙氧 基}-4-甲基-4H-1,2,4-三唑_3_基)噠嗪·3(2Η)_酮; 20 5-(5_{(1 R)-1-[5-(3 -氣苯基)異°惡°坐-3-基]乙氧基}-4-甲基 -4Η_1,2,4-三唑-3-基)噠嗪-3(2Η)_ 酮; 5_(4_甲基_5-{(lR)-l-[2-(3-甲基苯基)_2Η-四唑-5-基]乙氧 基}-411_1,2,4-三唑-3-基)噠嗪-3(2Η)_酮;及 5-(4-甲基-5-{(lR)-l-[5-(3-甲基苯基)異噁唑-3-基]乙氧 92 200821305 基}-411-1,2,4_ 三唑-3-基)噠嗪-3(2H)-酮。 14. 如申請專利範圍第1-13項中任一項之化合物,其係用於 治療。 15. —種藥學組成物,包含與藥理及藥學可接受之載劑一起 5 之作為活性成份之如申請專利範圍第1-13項中任一項之 化合物。 16. —種化合物,其係選自如下所組成之族群: 5 -間-甲苯基-異噁唑-3 -羧酸曱基酯; 5- 間-甲苯基-異噁唑-3-甲醛; 10 1-[5·(3·甲基苯基)異ϋ惡°坐-3-基]-乙酵; 1- [2-(3-氣-苯基)-2H-四唑-5-基]·乙酮; (lR)-l-[2-(3-甲基苯基)-2H-四唑-5-基]乙基乙酸酯; (lR)_l-[5_(3 -甲基苯基)異°惡。坐-3-基]乙基乙酸酉旨; (lR)-l-[2-(3-甲基苯基)·2Η·四唑-5-基]乙醇; 15 (lR)-l-[5-(3·甲基苯基)異噁唑-3-基]乙醇; 2- 氧代-1·(2-三甲基矽烷基-乙氧基甲基)-1,2-二氫-吼啶 -4-羧酸乙基酯; 6- 氧代-1-(2-三甲基石夕烧基-乙氧基甲基)-1,6_二氫_達°秦 -4-羧酸乙基酯; 20 2-氧代-1-(2-三甲基矽烷基-乙氧基甲基)·1,2-二氫-¾匕啶 -4-羧酸醯肼; 6-氧代-1-(2-三甲基矽烷基-乙氧基甲基)-1,6-二氫-噠嗪 -4-羧酸醯肼; 4-(5-巯基-4-甲基-4H-1,2,4-三唑-3-基)-1-{[2-(三甲基矽 93 200821305 烷基)乙氧基]甲基}吼啶-2(1H)-酮; 4_[4_甲基-5-(甲基硫基)-4Η-1,2,4三唑_3_基]-1-{[2·(三甲 基矽烷基)乙氧基]甲基}°比啶-2(1Η)-酮; 2-苯甲基氧-4-(5-甲烷磺醯基-4-甲基·4Η-[1,2,4]三唑-3-5 基°比唆; 5-(2-甲氧基·吡啶-4-基)-4-甲基-4Η-[1,2,4]三唑-3_硫醇; 2-甲氧基-4-(4-甲基-5-甲基硫烷基-4Η-[1,2,4]三唑-3-基)- 口比σ定; 5-(4-甲基-5-曱基硫烷基-4Η-[1,2,4]三唑-3_基)-2-(2-三甲 10 基矽烷基-乙氧基甲基)-2H-噠嗪-3·酮; 4-(5-甲烷磺醯基_4_甲基-4H-[1,2,4]三唑-3-基)-2-甲氧基- σ比咬; 4- (5-甲烷磺醯基_4_甲基_4Η-[1,2,4]三唑-3-基)-1Η-吡啶 -2-酮; 15 4-(5-甲烷磺醯基-4-甲基-4Η-[1,2,4]三唑-3-基)-1-(2-三曱 基矽烷基-乙氧基甲基)-1Η-吡啶-2_酮; 5- (5-甲烷磺醯基-4-甲基-4H-[1,2,4]三唑-3_基)-2-(2三甲 基矽烷基-乙氧基甲基)-2Η·噠嗪-3-酮; 2-苯甲基氧-4-(5-甲烷磺醯基-4_甲基-4Η-[1,2,4]三唑-3-20 基)-吡啶; 4-(5-巯基-4-甲基_4Η_[1,2,4]三唑-3-基)-1-甲基-1Η-吡啶 -2-酮; 1-甲基-4-(4-甲基-5-甲基硫烷基-4Η·[1,2,4]三唑-3-基)_ 1 咬-2-嗣; 94 200821305 4-(5-曱烷磺醯基-4-曱基_4H-[1,2,4]三唑-3-基)-1-曱基 -1 ϋ定-2 -嗣; 2-苯甲基氧-4-(5-{1-[5_(3-氣-苯基)-異噁唑-3-基]-乙氧 基}-4-甲基_4Η-[1,2,4]三唑_3_基)-σ比啶; 2-苯甲基氧-4-{5-[5-(3-氣-苯基)-異噁唑-3-基甲氧基]-4-甲基-4Η-[1,2,4]三唾-3_基}-吼。定; 4-〇{(111)-1_[2-(3-氯苯基)—211-四唑-5-基]乙氧基}-4-甲 基-4Η-1,2,4_三唑_3_基)小{[2-(三甲基矽烷基)乙氧基]甲 基}吡啶-2(1Η)_酮; 4- (5](lR)-l_[5-(3_氣苯基)·1,2,4-嗔二唑-3-基]乙氧 基卜4-甲基-4Η-1,2,4-三唑-3-基)-1-{[2-(三甲基矽烷基) 乙氧基]甲基比咬-2(1Η)-酮; 2-苯甲基氧-4-(5_{(R)-l-[5-(3-氯-苯基)-異噁唑-3-基]_乙 氧基}-4_甲基-4H_[1,2,4]三唑-3·基)-°比啶; 5- (5_{1-[5·(3-氯-苯基)-[1,2,4]噁二唑-3-基]乙氧基}_4_ 甲基-4Η·[1,2,4]三唑-3-基)_2-(2·三甲基矽烷基-乙氧基甲 基)-2Η-嚏唤; 5-(5-{1_[5-(3-氯_苯基)_異噁唑冬基]-乙氧基}-4-甲基 -4Η-[1,2,4]三唑冬基)-2-(2-三甲基矽烷基-乙氧基曱 基)-2H-噠嗪冬酮; 5_(5-{1-[5-(3-曱基-苯基)_異噁唑-3-基]-乙氧基M-曱基 _4H-[1,2,4]三唑·3_基)-2-(2-三甲基矽烷基-乙氧基曱 基)_2H-噠嗪冬酮; 5_(5-{1-[2_(3_曱基-苯基)·2Η·四唑-5-基]-乙氧基M_甲基 95 200821305 _4H-[1,2,4]三唑-3-基)-2-(2-三甲基矽烷基-乙氧基甲 基)_211-達唤-3_調,及 5-(5·{1·[2-(3·氯-苯基)-2H-四唑-5·基]乙氧基}-4·甲基 -4丨[1,2,4]三唑-3_基)-2-(2-三甲基矽烷基-乙氧基甲 5 基)-2H_璉唤-3-酮。 17. —種如申請專利範圍第1-13項中任一項之化合物或其藥 學可接受之鹽或光學異構物之用途,其係用於製造用以 抑制短暫性下食道括約肌鬆弛之藥物。 18. —種如申請專利範圍第1-13項中任一項之化合物或其藥 10 學可接受之鹽或光學異構物之用途,其係用於製造用以 治療或預防胃食道逆流症之藥物。 19. 一種如申請專利範圍第1-13項中任一項之化合物或其藥 學可接受之鹽或光學異構物之用途,其係用於製造用以 治療或預防疼痛之藥物。 15 20. —種如申請專利範圍第1_13項中任一項之化合物或其藥 學可接受之鹽或光學異構物之用途,其係用於製造用以 治療或預防焦慮症之藥物。 21. —種如申請專利範圍第1-13項中任一項之化合物或其藥 學可接受之鹽或光學異構物之用途,其係用於製造用以 20 治療或預防腸激躁症(IBS)之藥物。 96 200821305 七、指定代表圖: (一) 本案指定代表圖為:第()圖。(無) (二) 本代表圖之元件符號簡單說明: . (無) 八、本案若有化學式時,請揭示最能顯示發明特徵的化學式:4
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| WO2009054786A1 (en) * | 2007-10-26 | 2009-04-30 | Astrazeneca Ab | 1,2,4-triazole aryl n-oxides derivatives as modulators of mglur5 |
| WO2009054794A1 (en) * | 2007-10-26 | 2009-04-30 | Astrazeneca Ab | Amino 1,2,4-triazole derivatives as modulators of mglur5 |
| WO2009054787A1 (en) * | 2007-10-26 | 2009-04-30 | Astrazeneca Ab | 1,2,4-triazole carboxylic acid derivatives as modulators of mglur5 |
| TW200922586A (en) * | 2007-10-26 | 2009-06-01 | Astrazeneca Ab | Thiophene 1,2,4-triazole derivatives as modulators of mGluR5 |
| WO2009054790A1 (en) * | 2007-10-26 | 2009-04-30 | Astrazeneca Ab | Amide linked heteroaromatic derivatives as modulators of mglur5 |
| WO2009054785A1 (en) * | 2007-10-26 | 2009-04-30 | Astrazeneca Ab | 1,2,4-triazole ether derivatives as modulators of mglur5 |
| CN102176910A (zh) * | 2008-08-12 | 2011-09-07 | 阿斯利康(瑞典)有限公司 | 4-(5-{(1r)-1-[5-(3-氯苯基)异噁唑-3-基]乙氧基}-4-甲基-4h-1,2,4-三唑-3-基)吡啶的新晶体形式 |
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| KR20110101164A (ko) * | 2008-12-18 | 2011-09-15 | 아스트라제네카 아베 | 1-〔5-(3-클로로-페닐)-이소옥사졸-3-일〕-에타논 및 (r)-1-〔5-(3-클로로-페닐)-이속사졸-3-일〕-에탄올의 신규 제조 방법 |
| US20100273805A1 (en) * | 2009-04-23 | 2010-10-28 | Astrazeneca Ab | Sulphide bridged derivatives as modulators of mglur5 733 |
| JP2013505297A (ja) * | 2009-09-21 | 2013-02-14 | ヴァンダービルト ユニバーシティー | mGluR5の正のアロステリック調節因子としてのO−ベンジルニコチンアミド類似体 |
| WO2012058128A2 (en) * | 2010-10-28 | 2012-05-03 | Merck Sharp & Dohme Corp. | Caprolactam mglur5 receptor modulators |
| AU2011338339A1 (en) | 2010-12-08 | 2013-06-27 | Vanderbilt University | Bicyclic pyrazole compounds as allosteric modulators of mGluR5 receptors |
| AU2011343477A1 (en) * | 2010-12-17 | 2013-07-04 | Vanderbilt University | Bicyclic triazole and pyrazole lactams as allosteric modulators of mGluR5 receptors |
| US8471027B2 (en) | 2011-04-06 | 2013-06-25 | Hoffmann-La Roche Inc. | Adamantyl compounds |
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| WO2018010163A1 (zh) * | 2016-07-15 | 2018-01-18 | 泸州东方农化有限公司 | 一种1,2,4-三唑-3-硫酮化合物的合成方法及其中间体 |
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| PE20081378A1 (es) | 2008-11-12 |
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| CO6220935A2 (es) | 2010-11-19 |
| NZ575657A (en) | 2011-03-31 |
| IL197722A0 (en) | 2009-12-24 |
| MX2009003227A (es) | 2009-04-06 |
| UY30610A1 (es) | 2008-05-02 |
| AU2007303889A2 (en) | 2010-07-15 |
| RU2009111113A (ru) | 2010-11-10 |
| US20080125436A1 (en) | 2008-05-29 |
| EP2079730A1 (en) | 2009-07-22 |
| US7772235B2 (en) | 2010-08-10 |
| CN101547916A (zh) | 2009-09-30 |
| KR20090060328A (ko) | 2009-06-11 |
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