TWI337604B - Pyrrolioone derivatives as maob inhibitors - Google Patents
Pyrrolioone derivatives as maob inhibitors Download PDFInfo
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- TWI337604B TWI337604B TW092125735A TW92125735A TWI337604B TW I337604 B TWI337604 B TW I337604B TW 092125735 A TW092125735 A TW 092125735A TW 92125735 A TW92125735 A TW 92125735A TW I337604 B TWI337604 B TW I337604B
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- Prior art keywords
- phenyl
- compound
- oxapyrrolidin
- alkyl
- doc
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- 239000003112 inhibitor Substances 0.000 title description 13
- 101150115032 MAOB gene Proteins 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims description 66
- -1 3-fluorobenzyloxy Chemical group 0.000 claims description 65
- 239000000203 mixture Substances 0.000 claims description 56
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- 239000001257 hydrogen Substances 0.000 claims description 47
- 239000002253 acid Substances 0.000 claims description 24
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 17
- 229910052736 halogen Inorganic materials 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
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- 150000002367 halogens Chemical class 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 150000003839 salts Chemical class 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 125000000217 alkyl group Chemical group 0.000 claims description 13
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 11
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Classifications
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- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/273—2-Pyrrolidones with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
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- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
- A61K31/4015—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil having oxo groups directly attached to the heterocyclic ring, e.g. piracetam, ethosuximide
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/273—2-Pyrrolidones with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms
- C07D207/277—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Neurosurgery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Neurology (AREA)
- Biomedical Technology (AREA)
- Psychiatry (AREA)
- Addiction (AREA)
- Diabetes (AREA)
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- Hematology (AREA)
- Child & Adolescent Psychology (AREA)
- Psychology (AREA)
- Pain & Pain Management (AREA)
- Hospice & Palliative Care (AREA)
- Obesity (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrrole Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Description
1337604 玖、發明說明: 【發明所屬之技術領域】 本發明有關消旋或鏡像異構純吡咯啶基衍生物,其製 備方法,包㈣等衍生物之醫藥組合物及其在預防和治療 疾病上之用途。 更特別地,本發明有關式I之化合物 R3
其中 Q為=N-或=C(R24)-; X-Y為-CH2,CH2-、-CH=CH-或-CH2-O-;
R、R丨.1和Ri·2各自獨立選自由氩、商素、由素KM 基、氰基、(car氧基或齒素-(Ci_C6)戈氧基組成之 群; R21、R22和R23各自獨立選自由氫和鹵素組成之群. R24為氫、鹵素或甲基; R3為-NHR6 ; R4為氫;及 R6 為-C(0)H、-C(〇HC|-C3)-烷基、C(0)-卣素、(C|C3)烷基、 -(:(0)0((:,-(:3)-烷基、·ί:(〇)ΝΗ2 或 _S〇2_(Ci_C3)·烷基; 以及其個別異構物、消旋或非消旋混合物。 甚更特別地,本發明有關式P之化合物 8781 l.doc 1337604
(η 其中 R1為鹵素、函素-(CVc」—* ^ 素-(c,符坑氧基元基WC㈣氧基或由 揭互選自由氫和函素組成之群; R2丨、R22、R23和 R24各自 R3 為-NHR6 ; R4為氫; R6為,C0-(C「C3)-燒基或·叫瓜心·燒基;及 η為 0、1、2或 3 ; 以及其個別異構物 '消旋或非消旋混合物。 頃發現式I和I*化合物以及其個別異構物、消旋或非消旋 混合物(其後稱:活性化合物)為選擇性單胺氧化酶Β抑制劑。 【先前技術】 單胺氧化酶(MAO,EC 1.4.3.4)為含黃素酵素,負責内生 單胺神經傳遞素如多巴胺、企清素、腎上腺素或正腎上腺 素及少數胺類,例如苯乙胺以及多種非自然生物胺之氧化 去胺基作用。酵素以不同基因編碼[Bach等人,Pr〇c. NaU.
Acad. Sci. USA 85: 4934-4938 (1988)]及不同於組織分布、 結構和受質特異性之兩種形式ΜAO-A和MAO-B存在。 Μ AO-Α對血清素' 八巴胺、腎上腺素和正腎上腺素具有更 高之親和力;而MAO-B之天然受質為苯乙胺和酪胺。多巴 878ll.doc 1337604 胺被認為由兩種異構物氧化。MAO-B廣泛分布於一些器官 中,包括腦[Cesura 和 Pletscher,Prog. Drug Research 38: 171-297 (1992)]。腦MAO-B活性似乎隨年齡增加《此增加被 歸咎於與老化有關之神經膠瘤病[Fowler等人,J. Neural. Transm· 49: 1-20 (1980)]。此外,MAO-B活性更顯著高於阿 茲海默氏症病人之腦中[Dostert等人,Biochem. Pharmacol. 38: 555-561 (1989)]及頃見其高度表現於環老人斑之星型細 胞中[Saura等人,神經科學70: 755-774 (1994)]。在本文内 ,因為初級單胺由MAO之氧化去胺化作用產生Nh3、酸和 H2〇2 ’所以具建立或潛在毒性之藥劑經建議有使用選擇性 MAO-B抑制劑以治療癡呆症和帕金森氏症之原理^ 之抑制導致降低多巴胺之酵素性去活化及因此延長神經傳 遞素在與多巴胺有關神經元中之有效性。與年齡和阿兹海 默氏症及帕金森氏症有關之退化過程亦可歸咎於因為货加 MAO活性之氧化應力及其後由MAO-B增加之h2〇2形成。因 此,MAO-B抑制劑可由降低腦中形成氧基和升高單胺量而 作用。 給予上述神經學障礙中MAO-B之暗示,有著相當的興趣 以得到允許控制此效素活性之有效和選擇性抑制劑。—些 已知MAO-B抑制劑之藥理學例如討論於Bentu0_Ferrer等人 [CNS藥物6: 217-236 (1996)]。雖然不可逆和非選擇性ma〇 抑制劑活性之主要限制為需要觀察膳食預防措施,因為办 攝入膳食酪胺時,有誘導高血壓危機之危險,以及與其他 藥療交互作用之潛在性[Gardner等人,L CHn PsyehiaM' 878ll.doc 1337604 99-104 (1996)],此些有害事件在可逆和選擇性MA〇抑制劑 ,特別是MAO-B上較不擔心。因此,對MA〇_B抑制劑之需 要為其具高度選擇性及無對酵素具低選擇性之不可逆ma〇 抑制劑之有害副作用。 【發明内容】 採用在此所用之一般術語之以下定義,不管是否問題之 術浯單獨或經組合。需註記,如用於本規格和隨附之申請 專利範圍,單數「a」、「an」和「thej包括複數形式,除非 文内另有說明。 「(c ^c:6)-烷基」一詞在本說明書中指具1至6個碳原予之 直鍵或分支飽和烴殘基’如甲基、乙基、正丙基、異丙基 、正丁基、第二丁基、第三丁基及類似物,較佳地具1至3 個碳原子。於是,「(C^C3)-烷基」一詞指具丨至3個碳原子 之直鏈或分支飽和烴殘基。 「鹵素」一 έ可指氟、氣、>臭和琪。 「鹵素-(CrC6)-烷基」或「面素氧基」分別指 在任何位置上以如在此界定之一或多個齒素原子取代之如 在此界定之低碳烷基殘基或低碳烷氧基殘基。南素烷基殘 基之實例包括,但不限於1,2-二氟丙基、u-二氣丙基、三 氣甲基' 2,2,2·三氟乙基、2,2,2-三氣乙基和丨丄丨·三氟丙基 及類似物。「函素烷氧基」包括三氟甲氧基。 「(CrC6)-燒氧基」指殘基-0-R,其中R為如在此界定之 低碳烷基。烷氧基之實例包括,但不限於甲氧基、乙氧基 、異丙氧基及類似物。 878 丨丨.doc -10- 1337604 其中-Χ-Υ-為-CH2-CH2-或-CH=CH-。 在具體實施例中,本發明提供式!化合物,其中r|、」 和R丨、自獨立選自由氩、齒素、甲基、齒素甲基、氛基、 甲氧基或㈣甲氧基組成之群。在另—個具體實施例中, 本發明提供式I化合物,其中Ri、r1、r1.2為由素,例如氟 ,例如 2,4’6-三乳、2,4,5_ 三氟、2,3,6_ 三氟、2,3,4_ 三氟或 3,4,5· 三氟。在另-個具體實施例中,本發明提供幻化合物,其 中R1.2為氩及Ri和Ri.i各自獨立選自由氫、齒素、烷 基、由素-(cvq)-燒基、氰基、(Cl_C6)_燒氧基或函素_(c心_ 燒氧基組成之群H個具體實施例中,本發明提供式: 化合物,其中Rl.2為氣及R>Rl.,各自獨立選自由自素和 (G-C:6)-烷基組成之群。在另一個具體實施例中,本發明提 供式1化合物,其中Rl.2為氫,R1.1為齒素及R1為^素和 (q-C6)-烷基。在另一個具體實施例中,本發明提供式丨化合 物,其中R、Rl.2為氫及Rl為函素、(C&)-燒基、由素 κ6)-垸基、氰基、(Ci_c6)·炫氧基或齒素_(C|_C心完氧基 。在^一個具體實施例中,本發明提供式〗化合物,其中Rll 和R為氫及R1為鹵素、甲基 '鹵素甲基、氰基、甲氧基或 卣素甲氧基。在另-個具體實施例中,本發明提供式工化合 ,其中R1·1和RU為氫及Rl為氟,例如2_氣、氣或心氣, 乳’例如3-氣,甲基’例如4·〒基,由素〒基,例如3·三氟 甲基,氰基、f氧基,例如2·甲氧基、3砰氧基或4_甲氧基 :齒素甲氧基,例如3-三氟f氧基。在另一個具體實施例 本發明提供式I化合物,其中Rl、rLI*r1·2為氫。 87811.doc •12- 1337604 在另一個要素中,本發明提供式i化合物,其中、R22 和R23為氫。 在另一個要素中’本發明提供式〗化合物,其中KM為氫。 在另—個要素中,本發明提供式I化合物,其中R3為_Nhr6 ,其中 R6為-C(0)H、-C(0)-CH3、-C(0)-CH2F、-c(0)- CHF2 ' -C(0)-CF3、-C(0)0-CH3、-c(o)-nh2或-so2-ch3。 在個要素中,本發明提供式I化合物,其中化合物具(s)_ 組態。 在一個要素中,本發明提供式〖化合物,其中9為=c(r24)_ ,其中R24為氫,X-Y為-ch2-0- ; W.ArU為氫;Rl為氫或 鹵素;R21、R22和 R23為氫;_NHR6; R4為氫;及 R64 _c(〇)H 、-C(0)-(CrC3)-烷基、烷基、_c(〇)〇(CrC3)_ 烷基、-C(0)NH2或-SOHC^-C3)-烷基。在另一個要素中,本 發明提供式I化合物,其中Qg=c(R24)_,其中R24為氫,χ_γ 為-CH2-0- ; R1’1和R1·2為氫;Ri為氩或③素;r21、^和… 為氫;R3為-NHR6 ; R4為氫;及 R6為 c(〇)H、_c(〇)_CH3、 -C(0)-CH2F、-C(0)-CHF2、_c(0)-CF3、7C(0)0-CH3、 -C(0)-NH2或-S02-CH3。 式I化合物之實例包括以下化合物 (RS)-N-U-[4-(3-氟笮氧基)-苯基]·5_氧吡咯啶_3•基卜乙醯 胺, (S)-N-{l-[4-(3-氟芊氧基)-笨基]_5_氧吡咯啶_3·基卜乙醯胺, (R)-N-{l-[4-(3-氟芊氧基)-苯基卜5_氧吡咯啶_3_基卜乙醯胺, (RS)-N-{l-[4-(3-氟芊氧基)·苯基]·5_氧吡咯啶_3_基卜甲醯 878Il.doc •13· 1337604 胺, (S)-N-{l-[4-(3-氟芊氧基)-苯基]-5-氧吡咯啶-3-基}-甲醯胺, (R) -N-{l-[4-(3-氟芊氧基)-苯基]-5-氧吡咯啶-3-基卜甲醯胺, (RS)-{l-[4-(3-氟苄氧基)-苯基]-5-氧吡咯啶-3-基}-胺甲酸甲 酯, (RS)-{l-[4-(3 -氣+氧基)-苯基]-5 -氧p比嘻淀-3-基}-脉, (RS)-N-{l-[4-(3 -氟节氧基)-苯基]-5 -氧ρ比p各淀-3-基}-甲績 醯胺, - (S) -2-氟-Ν-{1-[4-(3-氟爷氧基)-苯基]-5 -氧ρ比p各淀-3-基}-乙 S盛胺, (S)-2,2-二 |t-N-{l-[4-(3 -氟节氧基)-苯基]-5 -氧 ι^(:ρ各咬-3-基} -乙酿胺^ (S)-2,2,2-三氟-N-{ 1-[4-(3-氟芊氧基)-苯基]-5-氧吡咯啶-3-基}-乙酿胺* (RS)-N-{l-[4-(4-氣卞氧基)-苯基]-5 -氧说鳴淀-3-基}-乙酿 胺, (R) -N-{l-[4-(4 -款节氧基)-苯基]-5 -氧p比哈淀-3-基}-乙醯胺, (S) -N-{l-[4-(4 -氣节氧基)-苯基]-5 -氧p比p各咬-3-基}-乙酿胺, (RS)-N-{l-[4-(4-氟辛氧基)-苯基]-5 -氧p比ρ各淀-3-基}-甲醯 胺, (尺5)-1^-[1-(4-爷氧基苯基)-5-氧ρ比17各咬-3-基]-乙酿胺, (RS)-N-{l-[4-(2-氟节氧基)-苯基]-5 -氧ρ比鳴咬-3-基}-乙酿 胺, (RS)-(E)-N-(l-{4-[2-(3-氟苯基)-乙晞基]-苯基卜5-氧吡咯啶 87811.doc -14- 1337604 -3-基)-乙酿胺, (RS)-N-(l-{4-[2-(3-氟苯基)-乙基]-苯基}-5-氧吡咯啶-3-基)-乙醯胺, (RS)-N-{l-[6-(4-氟苄氧基)-吡啶-3-基]-5-氧吡咯啶-3-基}-乙醯胺, (S)-N-{l-[4-(3-氣芊氧基)-苯基]-5-氧吡咯啶-3-基卜乙醯胺, (S)-N-{l-[4-(2,6 -二敦节氧基)-苯基]-5 -氧p比p各咬-3-基}-乙 S备胺, (S)-N-{5 -氧- l- [4-(2,4,6 -三氣节氧基)-笨基]-p比哈淀-3-基}-乙醯胺, (S)-N-{l-[4-(3-甲氧基芊氧基)-苯基]-5-氧吡咯啶-3-基卜乙 醯胺, (S)-N-{5-氧-l-[4-(4-三氟笮氧基)-苯基]-吡咯啶-3-基}-乙醯 胺, (S)-N-{l-[4-(4-甲基芊氧基)-苯基]-5-氧吡咯啶-3-基}-乙醯 胺及 (S)-N-{l-[4-(3_i基+乳基)-苯基]-5 -氧β比洛淀-3-基}-乙酿 胺。 在另一個具體實施例中,本發明提供製備式I化合物之方 法,包括將式II化合物
87811.doc -15 - 1337604 與異氰酸酯或式Z-C(0)-(CrC3)-烷基、Z_C(0)_函素_(CrC3) 坑基、Z-C(〇)〇(C|-C3)-炫基或Z-SOdCi-C〕)-炫*基之臨基供 給劑反應’其中Z為活化基,例如函素或酸酐。 圖式1顯示式I化合物之主要途徑。中間物和HIa可與純 亞甲基丁二酸IV在自801至20(TC範圍之溫度下反應。 式Va化合物可由威廉生氏-醚合成法烷化,使用未取代或 經取代之笮基衍生物,選自苄基自化物 '甲苯績酸鹽、甲 基% Si鹽(甲績酸鹽)和三氟甲基績酸鹽(三氟甲績酸鹽)。可 用之鹼例如醇化物或碳酸鹽如碳酸鈉、鉀或铯。較佳溶劑 之實例包括低碳醇類、乙腈或低碳酮類在自2〇°c至迴流溫 度範圍之溫度下。 另一個途徑為光延-耦合反應:視情況經取代苯甲醇與式 Va化合物在惰性溶劑例如乙越或四氫咬喃中,使用二燒基 偶氮二叛酸酯在膦例如三丁基或三苯基膦存在下反應。Va 化合物之水解可由本質上已知之方法進行,如在酸性條件 ’例如以鹽酸或驗性條件,例如氫氧化链、納或钾在醇類 和水為溶劑之混合液中水解。 式II和Ila化合物可自式v酸衍生物獲得,由碳至氮原子之 親核性遷移,由霍夫曼或可提爾斯(Curtius)重组法,經形成 對應異氰酸鹽。異氰酸鹽其後直接由水性酸處理,生成式 II之胺。中間物異氰酸鹽以合適醇處理,得到式na之經保 護胺基衍生物。以異氰酸鹽之處理而言,選定之醇類生成 作為胺保護基之典型胺甲酸酯,如第三丁氧基談基、;氧 基羰基或築基甲氧基羰基β其裂解成胺依循著文獻中熟知 878ll.doc -16· 1337604 之實驗程序,生成式II化合物。 進一步轉化成式II化合物可由標準#呈皮 K昂進行,如與活化醯 基衍生物如驢基函化物或酸奸反應,或由與酸之縮合反應 ,使用例如碳化二亞胺為縮合試劑,或㈣氰酸鹽反應。一 在式I或Ila化合物中,其中_χ_Υ·具·CH2_〇_之意義,視情 況取代芊基殘基可作為可由氫解作用裂解之短暫基。生成 之式Via和VIb化合物然後可由不同苄基在前述條件下再烷 化。如熟諳技藝者已知,此方法僅可能在以下條件,即R6· 和PG(保護基)在氫解和烷化反應之前述反應條件下為穩定 之代表基。 圖式1
COOH
HO
coo烷基 烷化反應
V >
水解反應
8781 l.doc •17- 1337604
製備式I化合物之另一種方法包含芳基錫烷類[Lam等人, Tetrahedron Lett. 43: 3091 (2002)]、芳基蝴酸酯類[Lam等人 ,Synlett 5: 674 (2000); Chan等人,Tetrahedron Lett. 39: 2933 (1998)]或芳基鹵化物[Buchwald等人,J. Amer. Chem. Soc. 118: 7215 (1996)]與對應吡咯啶酮之交耦合反應(圖式2)。 圖式2
其中LG為脫離基’例如鹵素,例如c卜Br或I或SnR34B(〇H)2 及R”為-NHR6或烷氧基羰基。 與本發明一致,製備其中攻-丫為—匚%·。-之式in化合物, 即式nib化合物之可能性經示於圖式3 ··式χπ中間物可經含 對取代脫離基之式X][芳族硝基化合物以式X芊基醇之親核 性取代作用來獲得。對位置之脫離基可例如為鹵素(F、Ο 、Br、I)、甲笨磺酸鹽、甲磺酸鹽或三氟甲磺酸鹽。此些取 878Il.doc -18 * 1337604 代反應可以純物質或在惰性溶劑如甲笨或二甲苯中進疒 較佳之反應溫度在自5(TC至150X:範圍内。或者,式χπ化 合物可由威廉生氏-醚合成法製備,自對式χιν硝基酚和式 XIII之笮基鹵化物、甲苯磺酸鹽、曱磺酸鹽或三氟甲磺酸鹽 開始。可用之驗例如醇化物或碳酸鹽(碳酸鈉、鉀或絶)。較 佳之溶劑包括低碳醇類、乙腈或低碳酮類在自2〇°c至迴洋 溫度範圍之溫度下。另一個途徑為笮基醇類與式對硝某 盼類之光延-耦合反應》反應如常在惰性溶劑例如乙趟或四 氣咬喃中’使用一燒基偶亂·一叛S旨在麟:,例如三丁美咬 三苯基膦存在下完成。 式XII之關鍵中間物經還原成式Illb胺基化合物,使用觸 媒氫化反應例如使用鉑在碳上為觸媒,在低碳醇類、乙酸 乙酯或四氩呋喃中。替代法為硝基由金屬如鐵、錫或辞在 酸性溶媒如稀鹽酸或乙酸中還原。金屬亦可由金屬鹽例如 氣化錫(II)置換》 圖式3
其中LG為脫離基例如鹵素、OTf等,及Y為脫離基例如由素 87811.doc • 19- 1337604 和OTf等或OH (供光延-耦合反應)β 製備其中-X-Υ-為-CH=CH-(亦即式IIIc化合物)或其中 -X-Y-為-CH^CH2-(亦即式IIId化合物)之式ΙΠ中間物可由 示於圖式4之程序製備。式χνΠ中間物可由式χν之视情況 取代芳族醛與二垸基_(4_硝基芊基)膦酸酯在鹼例如氫化鈉 存在下之晞化反應來獲得,生成對應之式xvn硝基烯。 式xvii之關鍵中間物可選擇性經還原成式111(^之胺基烯 ,由金屬或金屬鹽例如氣化錫(11)或由觸媒氫化反應,例如 使用鉑在碳上為觸媒,以低碳醇類、乙酸乙酯或四氫呋喃 為落劑。式Vlld之胺基衍生物可自式χνΠ之硝基衍生物或 自式IIIc之胺基烯由氫化反應,使用鈀在碳上為觸媒,在低 碳醇類、乙酸乙酯或四氫呋喃為溶劑中獲得。 圖式4
式I化合物亦可以光學純形式存在。分成正相反物可根據未 質上已知之方法作用,較佳地在以式V化合物開始之合成早 期’與光學活性胺例如(+)·或㈠-丨·苯乙胺或(十卜或㈠-卜笨乙 8781 l.doc -20- 知形成鹽及非鏡像異構鹽由區分結晶法分開 對掌輔助物質例如(+).或㈠_2_ 丁醇、(+).或(小^乙= (+)-或(-)-薄荷腦衍生化及非鏡像異構產物由層析法和/ j 0日3法刀開及其後裂解與對掌輔助物質之鍵結,戈在最s 步恭時’由層析法在對掌相上分開式i鏡像異構物。再者, 式I化合物亦可自鏡像純中間物自生物轉形得到,例如由式
Va酷由酵素例如自柱狀念珠菌之膽硬脂酶水解。以期測^ 得到吡咯啶酮衍生物之絕對組態,純非鏡像異構鹽或衍2 物可由傳統分光法分析,以χ_光分光法在單結晶上為特別 合適之方法》 式I化ό物正如上述而為單胺氧化酶β抑制劑及可用於治 療或預防其中ΜΑ〇_Β抑制劑會有利之疾病。此些包括急性 和k性神經障礙、認知障礙及記憶短缺。可治療之神經障 礙例如為神經系統之重傷或慢性退化過程,如阿茲海默氏 症、其他類型之癡呆、最小認知損傷或帕金森氏症。其他 指徵包括精神疾病如抑鬱、焦慮、驚懼攻擊、社交恐懼、 精神分裂症、飲食和代謝障礙如肥胖以及預防和治療由酗 酒、尼古丁和其他上癮藥物誘導之脫瘾症候群。其他可治 療之指徵為由癌症化學療法(W0 97/33,572)、報償缺乏症候 群(W0 〇 1/34,172)所致之周邊神經痛或多發性硬化(w〇 96/40,095)之治療》 式I化合物特別有用於治療和預防阿茲海默氏症和老人 庭呆症。 化合物之藥理活性使用以下方法測試: 1337604 編碼人類MAO-A和ΜAO-B之cDNA經短暫轉移感染至 EBN A細胞,使用由Sc hi aeger和Christensen戶斤述之程序[細胞 技術15·· 1-13 (1998)]。轉移感染後,細胞藉Polytron均質機 在含0.5 mM EGTA和0.5 mM苯甲績酿氟之20 mM Tris HC1 緩衝液,pH 8.0中均質。細胞膜由離心在45,000 χ g下及以 含0.5 mM EGTA之20 mM Tris HC1緩衝液,pH 8.0潤洗2次步 驟後得到,細胞膜最後再懸浮於以上緩衝液及一部份存於 -80°C下直至使用。 1^1八0-八和14八0-8酵素活性在96-格盤上分析,使用調適自 Zhou和Panchuk-Voloshina所述方法之分光光度分析法[分析 生物化學253: 169-174 (1997)]。簡言之,一部份膜在含有不 同濃度化合物之0· 1 Μ磷酸鉀緩衝液,pH 7.4中在37°C下培 養3 0分鐘。其後,酵素反應由加入]VIA0受質路胺與1單位/ 毫升辣根過氧化酶(羅氏生物化學物)和8〇 μΜ N-乙酿基 -3,7-二羥基啡咩畊(Amplex Red ’分子探針)一起開“。樣品 進一步在37 C下在最後體積200微升中培養30分鐘及吸光 值然後在5 7 0奈米下使用分光最大板閱讀機(分予裝置)測定 。背景(非特異)吸光值在對MAO-A之10 μΜ克洛吉林 (clorgyline)或對ΜΑ0-Β之L-抑鬱基劑(L-deprenyl)存在下測 定。ICw值自抑制曲線’使用二重複之9種抑制劑濃度,由 調適數據至4參數邏輯方程式,使用電腦程式測定。 本發明化合物為特異之MA0-B抑制劑。較佳式I化合物之 ICw值在上述分析法中在1 μΜ或更少,典型地0丨μΜ或更少 及理想地0.02 μΜ或更少之範圍測定<» 878ll.doc -22- ,式I化口物可作為藥劑,例如以醫藥製備物之形式。酱藥 製備物可口服投藥’例如以錠劑、塗布鍵劑、藥囊、硬和 权明膠膠囊H乳化液或懸浮液之形式。然而,投藥 亦可直腸施用’例如以栓劑之形式或腸外,例如以注 液之形式。 ' 义1化S物可與產生醫藥製備物之醫藥上惰性、無機或有 機載劑-起加工。乳糖、玉米澱粉或其衍生物、滑石、硬 月酸或其鹽及類似物可例如作為如此鍵劑、塗布鍵劑、藥 囊和硬明膠膠囊之載劑。軟明膠膠囊之合適載劑例如為植 物油、壌、脂防、半固體和液體多元醇及類似根據活 性物質之本質’然而在軟明膠膠㈣中,並不常需要栽劑 。產生溶液和糖漿之合適載劑例如為水、多元醇、蔗糖、 轉化糖、葡萄糖及類似物《佐劑如醇類、多元醇、甘油、 植物油及類似物可用於式丨化合物水溶性鹽之注射水溶液 ,但通常不需要。栓劑之合適載劑例如為天然或硬化油、 蠟、脂肪、半液體或液體多元醇及類似物。 此外,醫藥製備物可含有防腐劑、溶化劑、安定劑、濡 濕劑、乳化劑、甜味劑、著色劑、香味劑、改變滲透壓之 鹽、緩衝劑、掩蓋劑或抗氧化劑。其亦可含有其他治療上 有價值之物質》 如前述,含有式I化合物和醫藥上惰性賦形劑之藥劑亦為 本發明之目的物,如產生如此藥劑之方法,其包括將一或 多種式I化合物及在需要時,一或多種其他治療上有價值之 物質與一或多種治療惰性載劑一起帶入蓋倫劑量形式。 878ll.doc -23- 1337604 劑量可在廣限度内變化及當然地,將調適至各特殊例之 個別需要。通常,口服或腸外投藥之有效劑量在〇 〇卜20毫 克/公斤/天間,而0.1-10毫克/公斤/天之劑量為全部所述指 徵中較佳的。重70公斤成人之每天劑量於是落於每天 0.7-1400毫克,較佳地每天7至7〇〇毫克間。 【實施方式】 以下實施例經提供以說明本發明。其應不認為以限制本 發明範疇,但僅為其代表。「RT」簡寫指「室溫」。 實施例1 : (RS)-N-{l-[4-(3-氟芊氧基卜苯基]_5_氧吡咯啶 -3-基卜乙酿胺 a) (RS)-1-(4-苄氧基苯基)-5-氧吡洛咬_3_幾酸 18.8克(94.4毫莫耳)4-芊氧基苯胺與12 28克(94.4毫莫耳) 亞甲基丁二酸混合。固體混合物經熱至13〇。〇。20分鐘後, 熔融的物質固化。冷卻後,生成之固體以乙酸乙酯磨濕, 生成28.26克(96¾理論值)(1^)-1-(4-节氧基苯基)-5 -氧I»比哈 啶-3-羧酸為灰色固體。MS: m/e=311 (M)+。 b) (RS)-l-[4-节氧基)-苯基]-5-氧p比洛咬幾基氣 9.50克(30.5玄莫耳)(118)-1-[4-(3-节氧基)-苯基]-5-氧1»比哈 啶-3-羧酸在100毫升二氣甲烷之懸浮液以13.3毫升(183毫莫 耳)硫醯氣在RT下處理18小時。實驗繼續後,反應混合液在 減壓下蒸發至乾涸,然後殘留物在甲苯中分散及再蒸發至 乾涸,定量性生成(RS)-l-[4-芊氧基)-苯基]-5-氧吡咯啶-碳 基氣為黃色固體,其經用於下一步驟,而無進一步純化和 特性化。 878ll.doc -24- 1337604 〇(Κ^)-[1-(4-苄氧基苯基)_5_氧吡咯啶_3_基]-胺甲酸第三丁酯 〇·20克(〇·6毫莫耳)(rs)-1-(4-笮氧基苯基)-5-氧吡咯啶-3-幾·基氣在12毫升甲苯之溶液經冷至及加入〇 〇58克(0.9 宅莫耳)疊氮化鈉。反應混合液經溫至RT及攪拌繼續丨小時 。其後混合液經熱至8CTC,加入丨.88毫升(20毫莫耳)第三丁 醇及攪拌繼續1小時。實驗繼續後,混合液經冷卻,以乙酸 乙酉旨稀釋及連續以飽和碳酸氩鈉溶液、水和鹽水萃取。有 機層在硫酸鈉上脫水及在減壓下蒸發,生成粗化合物為棕 色固體。為著純化,得到之物質在矽膠上層析,使用正己 院和乙酸乙酯之2 : 1混合液為離析液。得到〇. 13克(55%理 論值)(RS)-[1-(4-苄氧基苯基)-5-氧吡咯啶-3-基]-胺甲酸第 三丁酯為白色固體。MS: m/e=400 (M+NH4)+。 d) (RS)-[ 1-(4-經基苯基)-5-氧ι»比咯淀-3-基]-胺甲酸第三丁酯 82毫克(0.2毫莫耳)(RS)-[ 1-(4-芊氧基苯基)-5-氧吡咯啶 -3-基]-胺甲酸第三丁酯在2毫升THF之溶液在7毫克鈀在碳 上(10%)存在下在常壓和RT下氩化18小時。實驗繼續後,反 應混合液在二鈣石(Dicalit)上過濾,然後在減壓下蒸發。得 到粗(RS)-[ 1-(4-羥基苯基)-5-氧吡咯啶-3-基]-胺甲酸第三丁 g旨為無色油,其直接用於下一步驟,而無進一步純化和特 性化。 e) (RS)-{l-[4-(3 -氟节氧基)-苯基]-5 -氧p比洛咬-3-基}-胺甲 酸第三丁酯 62毫克(0.21毫莫耳)粗(RS)-[l-(4-羥基苯基)-5-氧吡咯啶 -3-基]-胺甲酸第三丁酯在3毫升2-丁醇之溶液以0.031毫升 87811.doc -25- 1337604 (0.23¾莫耳)3-氟卞基溴和59毫克(〇‘42毫莫耳)碳酸鉀處理 及混合液在50°C下揽掉18小時。實驗繼續後,反應混合液 以乙酸乙醋稀釋及以水萃取。有機層在硫酸鈉上脫水及在 減壓下蒸發。為著純化,得到之物質在矽膠上層析’使用 正己烷和乙酸乙酯之2 : 1混合液為離析液^得到6丨毫克(72% 理論值)(RS)-{l-[4-(3-氟苄氧基)_笨基]_5_氧吡咯啶3基卜 胺甲§父第二丁 S旨為白色固體。MS: m/e=4〇l (μ+Η)+。 f) (RS)-4-胺基-1-[4-(3 -氟节氧基)_笨基]比洛咬_2_酮氫氣鹽 49毫克(0,12毫莫耳)(RS)-{l-[4-(3-氟苄氧基)·苯基]_5-氧 吡咯啶-3-基}-胺甲酸第三丁酯在1毫升二氧六園之溶液以 0.10毫升鹽酸(37%)處理。黃色溶液經溫至45乞下丨小時β實 驗繼續後’反應混合液在減壓下蒸發及固體殘留物以乙鍵 磨濕。過濾和乾燥後,得到33毫克(79%理論值)(RS)-4-胺基 -1-[4-(3-氟苄氧基)-苯基]-吡咯啶-2-酮氩氣鹽為白色固體。 MS: m/e=301 (M+H)+。 g) (RS)-N- {1-[4·(3-^节氧基)_苯基]-5 -氧p比洛咬-3-基}-乙 醯胺 25毫克(0.07毫莫耳)(RS)-4-胺基-l-[4-(3-氟芊氧基)-苯基] -吡咯啶-2-酮氬氣鹽在I毫升二氣甲烷之溶液以22微升(0.16 毫莫耳)三乙胺處理及冷至〇°C »在此溶液中,加入6微升 (〇.〇8毫莫耳)乙醯氯及在〇°C下攪拌繼續30分鐘。實驗繼續 後,反應混合液以2毫升氫氧化銨溶液處理,有機層經分開 ,其後在硫酸鈉上脫水及在減壓下蒸發。為著純化,得到 之物質在矽膠上層析,使用二氣甲烷和甲眸之95 : 5混合液 87811.doc •26· 1337604 為離析液。得到20毫克(78%理論值)(RS)-N-{l-[4-(3-氟笮氧 基)-私基]-5-氧p比各咬-3-基}•乙驢胺為白色固體MS: m/e= 343 (M + H)+。 實施例2 : (S)-N-{l-[4-(3-氟芊氧基)-苯基]_5-氧吡咯啶-3-基}-乙醯胺 a) (RS)-l-(4 -我基本基)-5 -乳p比**各咬-3 -叛酸 在金屬盤中,257.0克(2.355毫莫耳)4-胺基酚和301.75克 (2‘32毫莫耳)亞甲基丁二酸以固體形式混合。以金屬杓攪拌 後’混合液在加熱板上小心加熱。在11 (M20°C下,在沸騰 下開始放熱反應及同時溫度升至1501,反應物質轉成黃褐 色固體。沙狀產物在1-2小時内靜置冷至RT。粗(RS)-1-(4-經基苯基)-5-氧吡洛啶-3-幾酸經進行下一步驟,而無進一步 純化和特性化。 b) (RS)-1-(4-羥基苯基)-5·氧吡咯啶-3-羧酸甲酯 在裝有迴流冷凝管、溫度計和機械攪拌器之1 〇升4-頸燒 瓶中’粗(RS)-1-(4-羥基苯基)-5-氧吡咯啶-3-羧酸經溶於 5000毫升曱醇、24毫升濃硫酸和400毫升2,2-二甲氧基丙烷 之混合液及在迴流下攪拌2小時。實驗繼續後,反應溶液由 蒸餾降至其一半體積’然後轉至2〇升容器。在40。(:下攪拌 ’加入2500毫升水/冰(1 :丨)之混合液。結晶立即開始,及 馬上在過濾漏斗上回收細白色結晶β其以總量2〇〇〇毫升冷 水清洗直至濾液變成無色和中性。自過濾漏斗之壓好且預 乾產物在減壓下乾燥’生成980克(84%理論值,2步驟) (RS)-l-(4-:^基苯基)·5·氧比咯啶·3·幾酸甲酯為白色固體; 878ll.doc -27· 1337604 MS: m/e=234 (M+H)+ ° C) (R)-1-(4_羥基笨基)-5_氧吡咯啶-3-羧酸甲酯及(S)-l-(4-羥 基笨基)-5-氧吡咯啶-3-羧酸 50.22克(213.5毫莫耳)(RS)-丨-(4·羥基苯基)_5_氧吡咯啶_3_ 羧酸曱酯(98% HPLC)在500毫升環己烷之懸浮液經適度攪 , 拌°藉加入2.0升0.1 Μ氯化鈉、50 mM硫酸鎂、3 mM磷酸鉀 緩衝液,pH 6‘0 ’形成乳化/懸浮液及再調至pH 6.0。溫度設 在30°C。水解由加入201毫克自柱狀念珠菌之膽硬脂酶開始 | 及pH保持在6.0 ’在適度授拌下由控制性加入〇 1 n NaOH溶 液(pH恆定)。在總消耗1016毫升滴定劑(過夜:48.6%轉換率) 後’反應混合液以3.5升和2x2.5升二氣曱烷及其後以3.5升 乙乙醋萃取。合併之·一氣甲燒層在硫酸納上脫水、蒸發 及在^^中乾燥,得到22.5克(95.6毫莫耳;44.8%)(11)-1-(4-經基苯基)-5-氧p比哈咬-3-幾酸乙g旨之白色結晶;純度:HPLC :>99% ;光學完整性:96.3% e.e. ; [a]D =-27.7。(c=1.02 ;
EtOH) ; MS: 235.1。 邏 水層以32%鹽酸調至pH 2.2及以3χ3·5升乙酸乙酯萃取。 合併之有機層在硫酸鈉上脫水、蒸發及在HV中乾燥,得到 , 21.9克(99.0毫莫耳;46.4%)(5)-1-(4-羥基苯基)_5_氧吡咯啶 ; -3-羧酸;純度:HPLC: >99%;光學完整性:99.1%ee; [a]D =25.4。(c=l.〇5 ; EtOH) ; MS: 221.1 ° d) (S)-1-(4-羥基苯基)-5-氧吡咯啶-3-羧酸甲酯 26克(1 Π.5毫莫耳)(S)-1-(4-羥基苯基)-5-氧吡咯啶_3·羧 酸、0.66毫升硫酸和1〇〇毫升二甲氧基丙燒在7〇〇毫升之混合 878U.doc • 28 - 1337604 液經熱至迴流3小時。實驗繼續後,反應混合液經降至其體 積之4/5 ’然後殘留物在攪拌下加至冰和水之混合液。沉殿 之產物在過滤漏斗上收集,以冷水清洗及最後在高真空中 乾燥,生成23.7克(86%理論值)(3)-1-(4-羥基苯基)_5-氧峨洛 啶-3-羧酸甲酯為白色固體;MS: m/e=234 (M-H)+ ;光學完 整性:97.4% e.e.。 e) (S)-l-[4-(3-氟爷氧基)-苯基]-5-氧p比略咬-3-幾酸甲g旨 14.23克(110.6毫莫耳)3-氟苯甲醇和27.19克(108.8毫莫耳) 三苯基膦在150毫升四氫呋喃之溶液在5〇分鐘内在氮氣壓 與0°(:下經逐滴加至23.65克(100.5毫莫耳)(3)-1-(4-幾基苯 基)-5-氧吡咯啶-3-羧酸甲酯和21.62克(100.5毫莫耳)偶氮二 羧酸二異丙酯在200毫升四氩呋喃之溶液。混合液靜置溫至 RT及攪拌繼續18小時《實驗繼續後,混合液在減壓下蒸發 。固體殘留物在400毫升乙醚中磨濕,留下白色固體,主要 由產物和三苯基膦氧化物組成。過濾後,固體物質在丨〇〇毫 升冷甲醇中磨濕,生成23.5克(68%理論值-氟苄 氧基)-苯基]-5-氧吡咯啶-3-羧酸甲酯為白色固體[MS: m/e=344 (M+H)+]與少量三苯基膦氧化物和肼二羧酸二異丙 醋一起。 f) (S)-l-[4-(3-氟芊氧基)-苯基]-5·氧p比咯咬_3_幾酸 25.61克(74.6毫莫耳)甲醋(5)_1-[4_(3_氟苄氧基)_苯基]·5_ 氧吡咯啶-3-羧酸甲酯在650毫升二氧六園之溶液以175毫升 鹽酸(37%)處理。混合液在密閉燒瓶中在5〇它下加熱μ小時 。實驗繼續後,溶液在減壓下蒸發,生成粗酸為黃色固體 87811.doc -29- 1337604 。為著純化’粗酸在〇°C下在50毫升乙酸乙酯中磨濕。固體 在過滤漏斗上收集及然後在高真空中乾燥,生成20.3克 (82%理論值)(S)-l-[4-(3-氟苄氧基)-苯基>5_氧吡咯啶-3-羧 酸為黃色固體;MS: m/e=330 (M+H)+。 g) (S)-4-胺基- l-[4-(3-氟芊氧基)-苯基]-吡哈啶_2_酮氫氯鹽 20.0克(61毫莫耳)(S)-l-[4-(3-氟芊氧基)_苯基]_5-氧吡咯 啶-3-羧酸在300毫升二氧六園之溶液以6.7毫升(61毫莫耳) N-甲基嗎淋處理《其後,反應混合液經冷至_8。匚及加入8. ^ 4 毫升(61毫莫耳)氣甲酸異丁酯。攪拌5分鐘後,加入7 98克 (121毫莫耳)疊氮化鈉在40毫升水之溶液,同時溫度升至〇°c 。在0°C下攪拌70分鐘後,懸浮液在二鈣石上過濾。濾液以 700毫升甲苯稀釋及轉至分液漏斗❶有機層經分開,然後以 250毫升飽和碳酸氩鈉溶液2次及飽和氣化鈉溶液2次清洗 。其後’有機層在硫酸鈉上脫水及在加入4〇〇毫升甲苯後, 溶劑和殘留之異丁醇經蒸發至約350毫升之體積。溶液經逐 漸熱至80°C及保持在此溫度下70分鐘。冷卻後,中間物異 氫酸酯之溶液經濃縮至約300毫升及逐滴加至25.4毫升鹽酸 (37%)在100毫升二氧六園之溶液,同時熱至45°c。最後, 完全添加後,溫度經升至6(TC下卜】、時及氫氣鹽已開始沉;殿 。混合液經冷至0°C及形成之固體物質在過濾漏斗上收集。 以第三丁基甲基醚清洗後’產物在高真空下乾燥。得到14 6 克(71%理論值)(S)-4-胺基-l-[4-(3-氟笮氧基)-苯基]-吡咯啶 •2_酮氫氣鹽為白色固體。MS: m/e=3〇l (M+H)+。 h) (S)-N-{l-[4-(3-氟苄氧基)·苯基]_5·氧吡咯啶_3_基卜乙醯胺 87811.doc • 30- 1337604 在颡似迷於實施例lg)之方式中,(s)-4胺基_1-[4_(3·氟芊 氧基)-苯基]-吡咯啶_2_酮氫氣鹽之乙醯化反應,生成s)_N_ U_[4-(3-氟笮氧基)-苯基]-5_氧吡咯啶胃3_基}•乙醯胺為結晶 白色固體。MS: m/e=343 。 貫施例3 .(幻4_{1_[4_(3_氟笮氧基)_笨基]_5·氧吡咯啶_3_ 基}-乙醯胺 )(R) 1 [4-(3-氟节氧基)-苯基]-5-氧υ比洛咬_3-幾酸甲g旨 在類似述於實施例2幻之方式中,(R)_i_(4•羥基苯基 氧吡咯啶-3-羧酸曱酯[實施例2〇]與3_氟苯甲醇之烷化反應 生成芊氧基)-苯基]-5-氡I»比洛咬-3-複酸甲S旨 為白色固體;MS: m/e=344 (Μ+Η)+。 b) -氟节氧基)-苯基]-5 -氧υ比洛咬·3·幾酸 在類似述於實施例2f)之方式中,(r)_卜[4-(3-氟芊氧基)_ 苯基]-5-氧吡咯啶_3·羧酸甲酯以鹽酸(37%)在二氧六圜之水 解作用’生成(R)-l-[4-(3-氟苄氧基)-苯基]-5-氧吡咯啶_3-羧 酸為白色固體;MS: m/e=330 (M+H)+。 0 (R)-4-胺基-1 -[4·(3-氟苄氧基)-苯基]•吡咯啶-2-酮氫氣鹽 在類似述於實施例2g)之方式中,(R)-l-[4-(3-氟芊氧基)-苯基]-5-氧〇比哈啶-3-叛酸之可提爾斯重組法,生成(r)_4-胺 基-l-[4-(3-氟苄氧基)-苯基]-吡咯啶-2-酮氫氣鹽為白色固體 ;MS: m/e=301 (M+H)+ 0 d) (R)-N-{l-[4-(3-氟苄氧基)-苯基]-5-氧吡咯啶-3-基卜乙醯胺 在類似述於實施例lg)之方式中,(R)-4-胺基-1-[4-(3-氟芊 氧基)-苯基]•吡咯啶-2-酮氩氯鹽之乙醯化反應,生成(R)_N- 8781 l.doc -31 · 1337604 {^[4-(3-氟笮氧基)_笨基]_5_氧吡咯啶-3_基卜乙醯胺為結晶 白色固體;MS: m/e=343 (M+H)+。 實施例4 : (RS)-N-{l-[4-(3-氟芊氧基)-苯基]-5-氧吡咯啶 -3-基卜甲醯胺 190毫克(1.9毫莫耳)乙酸酐和108毫克(2.3毫莫耳)甲酸之 品合液在0°C下製備,然後熱至6CTC下2小時。冷至RT後, 溶液在加入215毫克(0,7毫莫耳)(RS)-4-胺基-l-[4-(3-氟芊氧 基)-苯基]-吡咯啶_2-酮[實施例1 f)]在2毫升二氯甲烷之溶液 前’以1毫升無水四氩呋喃稀釋(胺自對應氫氯鹽在以三乙 胺處理及自二氣甲烷和水中萃取後得到)。形成之懸浮液經 攪拌1小時。實驗繼續後,反應混合液以二氣甲烷稀釋及以 水清洗2次》有機層經分開,在硫酸鈉上脫水及蒸發。得到 126毫克(54%理論值)(rS)-N-{1-[4-(3-氟芊氧基)·苯基]-5-氧 比咯啶-3-基卜甲醯胺為白色固體;MS: m/e=329 (M+H)+。 實施例5 : (S)-N-{l-[4-(3-氟芊氧基)-苯基]-5-氧吡咯啶-3· 基}-甲醯胺 在類似述於實施例4之方式中,(S)-4-胺基-1-[4-(3-氟芊氧 基)-苯基]-吡咯啶酮[實施例2g)]之醯化反應,生成(S)-N-{l-[4-(3-氟苄氧基)·苯基μ5_氡吡咯啶_3_基卜甲醯胺為白色 半固體^量^/^理論值);!^:!^^〗〗”?^!·!)、 實施例6 : (R)-N-{l-[4-(3-氟苄氧基)_苯基]-5-氧吡咯啶-3-基}-甲醯胺 在類似述於實施例4之方式中,(R)_4_胺基_ι_[4-(3-氟苄氡 基)-苯基]-吡咯啶-2-酮[實施例3c)]之醯化反應,生成(R)-N- 87811.doc •32- 1337604 U-[4-(3-氟芊氧基)_苯基]_5·氧吡咯啶_3_基卜甲醯胺為白色 半固體(產量94%理論值);MS: m/e=329 (Μ+Η)+。 實施例7 : (RS)-{i-[4-(3-氟苄氧基)-苯基]-5-氧吡咯啶-3-基卜胺甲酸甲酯 250毫克(〇·74毫莫耳)(rS)-4_胺基-l-[4-(3-氟芊氧基)-苯 基]-吨p各啶-2-酮氫氯鹽[實施例if)]在12毫升二氣甲烷之溶 液經冷至〇t及連續以226微升(1.6毫莫耳)三乙胺和64微升 (〇·8毫莫耳)氣甲酸甲酯處理。混合液靜置溫至RT及攪拌1 小時。實驗繼續後,加入二氣甲烷和水至反應混合液中。 有機層經分開,在硫酸鈉上脫水及蒸發。得到203毫克(76% 理論值)(RS)-{1·[4·(3-氟芊氧基)-苯基]-5-氧吡咯啶-3-基卜 胺甲酸甲酯為白色固體;MS: m/e=359 (Μ+Η)+。 實施例8 : (RS)-{l-[4-(3-氟芊氧基)-苯基]-5-氧吡咯啶-3-基卜脲 250毫克(0.74毫莫耳)(RS)-4-胺基-l-[4-(3-氟苄氧基)-苯 基]-吡咯啶-2-酮氫氯鹽[實施例if)]在2毫升N,N-二甲基曱 酷胺之溶液經冷至〇eC及連續以386微升(2.2毫莫耳)Ν·乙基 二異丙基胺和307微升(2.2毫莫耳)三甲基矽烷基異氫酸酯 處理。混合液靜置溫至RT及攪拌4小時。實驗繼續後,反應 ί昆合液在減壓下蒸發。紅色殘留物經溶於二氣甲燒及有機 層以水清洗。分開有機層和在硫酸鈉上脫水後,其經蒸發 得到紅色油。為著純化,粗產物在矽膠上層析,使用二氣 甲烷和甲醇之95 : 5至90 : 10混合液為離析液之梯度。此外 ’層析後產物以乙酸乙酯和碳酸氫鈉在RT下磨濕。得到1 53 8781 丨doc -33- 1337604 毫克(60%理論值)(RS)-{l-[4-(3-氟苄氧基)-苯基]-5-氧吡咯 啶-3-基卜脲為白色固體;MS: m/e=344 (M+H)+。 實施例9 : (RS)-N-{l-[4-(3-氟芊氧基)-苯基]-5-氧吡咯啶 -3 -基}-甲績酿胺 250毫克(0.74毫莫耳)(RS)-4-胺基-l-[4-(3-氟芊氧基)-笨 基]-吡咯啶-2-酮氫氣鹽[實施例if)]在8毫升二氣甲烷之溶 液經冷至0°C及連續以226微升(2_2毫莫耳)三乙胺和64微升 (2.2毫莫耳)甲磺醯胺處理。混合液在〇°c下攪拌3〇分鐘。實 驗繼續後,反應混合液以水清洗2次,有機層經分開及在硫 酸鈉上脫水。溶劑蒸發後,粗產物在矽膠上層析,使用二氣 甲烷和甲醇之98 : 2混合液為離析液。得到235毫克(84。/〇理 論值)(RS)-N-{l-[4-(3-氟节氧基)-苯基]_5_氧p比洛症_3-基}· 甲績醯胺為白色固體;MS: m/e=377 (M-H)+。 實施例10 : 〇)-2_氟-Ν-{1-[4-(3-氟苄氧基)-苯基]-5-氧吡咯 症-3-基}-乙酿胺 100毫克(0.3毫莫耳)(S)-4-胺基_ΐ-[4·(3-氟芊氧基)-苯基]- ρ比洛呢-2-嗣氫氣鹽[實施例2g)]在〇 3毫升Ν Ν_二甲基甲醯 胺之;谷液經連續以1 〇〇微升(〇6毫莫耳)Ν-乙基二異丙基胺 和55微升(0.6毫莫耳)氟乙酸甲酯處理。生成之黃褐色懸浮 液經熱至50 C下18小時。實驗繼續後,反應混合液經蒸發 ,其後殘留物經溶於二氣甲烷及溶液以1毫升鹽酸(1 Ν)清洗 。有機層經分開,在硫酸鈉上脫水及蒸發。為著純化,粗 產物在矽膠上層析,使用二氣甲烷和甲醇之98 : 2混合液為 離析液。得到30毫克(28。/。理論值)(S)_2·氟·Ν_ {〖^(3·氟芊 87811.doc •34· 1337604 氧基)-苯基]-5-氧咐哈啶_3_基卜乙醯胺為白色固體;ms: m/e = 378 (M+NH4)+。 實施例11 : (S)-2,2-二氟_Ν_{1·[4·(3·氟芊氧基)·苯基]_5_氧 峨洛啶-3-基卜乙醯胺 103¾克(0.3爱莫耳)(s)_4_胺基·[心(3·氟芊氧基)_苯基]-吡咯啶-2-酮氫氣鹽[實施例2§)]在〇 5毫升N,N二甲基甲醯 胺之溶液經連續以180微升(1.〇毫莫耳川_乙基二異丙基胺 、20微升(0.3毫莫耳)二氟乙酸和1〇2毫克(〇3)毫莫耳四氟硼 酸〇-(苯并二唑·1·基卜n,n,n,,n,·四甲基錁(丁BTU# rt下處 理及其後,攪拌6小時。實驗繼續後,反應混合液在減壓下 蒸發》生成之殘留物經溶於3毫升二氣甲烷及溶液以1 5毫升 飽和碳酸氩鈉溶液和以15毫升鹽酸(〇1 N)清洗。有機層在 硫酸納上脫水及蒸發。為著純化,粗產物在矽膠上層析,使 用二氣甲燒和甲醇之98: 2混合液為離析液。得到21毫克(18% 理論值)(S)-2,2-二氟-N-{ 1-[4-(3-氟苄氧基)-苯基]-5-氧吡咯 淀-3-基卜乙醯胺為白色固體;ms: m/e= 396 (M+NH4)+。 實施例12 : (S)-2,2,2-三氟-Ν-{1-[4-(3-氟芊氧基)-苯基]-5-氧 p比〃各咬-3-基}-乙酿胺 10毫克(0.3毫莫耳)(S)-4-胺基-l-[4-(3-氟苄氧基)-苯基]-〇比哈咬-2-酮氫氣鹽[實施例2g)]在2 5毫升二氯甲烷之溶液 經冷至0°C及連續以90微升(0.6毫莫耳)三乙胺和50微升 (0.33毫莫耳)三氟乙酸酐處理。反應混合液靜置溫至尺丁及在 總3.5小時内攪拌β實驗繼續後,反應混合液以2毫升二氣甲 烷稀釋。生成之溶液以2毫升水清洗2次,有機層經分開, 878ll.doc -35- 1337604 在硫酸鈉上脫水及蒸發。為著純化,粗產物在碎膠上層析 ,使用二氣甲烷和甲醇之98: 2混合液為離析液。得到6〇毫 克(51%理論值)⑻-2,2,2•三氟·Ν十糾3.敗亨氧基).苯基] -5_氧吡咯啶-3-基卜乙醯胺為白色固體;ms: (m+nh4)、 實施例13 : (RS)-N-{l-[4-(4-氟-氧基)_苯基]·5_氧吡咯啶 •3·基卜乙酿胺 a) (RS)-l-[4-(4-氟芊氧基)-笨基]_5•氧吡咯啶羧酸甲酯 5.0克(21_3毫莫耳)(RS)小(4_經基苯基)5_氧吡咯咬士叛 酸甲醋[實施例2b)]在200毫升2· 丁醇之溶液以3 55毫升(276 毫莫耳)4-氟节基漠和5.88克(42.5毫莫耳)碳酸钾處理及混 合液在9〇t下攪拌3小時。實驗繼續後,反應混合液以乙酸 乙酯稀釋及以水萃取。有機層經分開,在硫酸鈉上脫水及 在減壓下蒸發。為著純化,得到之物質在矽膠上層析,使 用二氣甲烷和甲醇之98 : 2混合液為離析液。得到7丨8克 (98%理論值)(RS)-l-[4-(4-氟芊氧基卜苯基】氧吡咯啶_3_ 複甲S旨為白色固體;MS: m/e=344 (M+H)+。 b) (RS)-l-[4-(4-氣+乳基)-苯基]-5-氧0比哈淀·3·叛酸 7.12克(20.7毫莫耳)(1^)-1-[4-(4-氟芊氧基)_苯基]_5_氧(?比 咯啶-3-羧酸甲酯在10.3毫升氩氧化鈉(1…之懸浮液經製備 及加入四氩玦喃直至得到澄清溶液。混合液經熱至5〇t下i 小時。實驗繼續後,四氩呋喃在減壓下蒸發。得到之白色 懸浮液以水稀釋,然後過濾。白色產物以甲苯處理及在減 壓下蒸發以除去大部份水。共沸蒸餾經重複3次。得到5 78 87811.doc -36- 1337604 克(85%理論值)(RS)-l-[4-(4-氟苄氧基)-苯基]-5-氧吡咯啶 -3-幾酸為白色固體。 c) (RS)-{l-[4-(4·氣芊氧基苯基卜5_氧吡咯啶_3_基卜胺甲 酸第三丁酯 ^^克丨^刀毫莫耳从尺…-丨吖^^-氟芊氧基卜苯基卜^氧吡 洛β -3-羧酸在70毫升四氫呋喃之溶液以176毫升(15 7毫莫 耳)Ν-甲基嗎啉處理。其後反應混合液經冷至_1(rc及加入 2.08毫升(15.7毫莫耳)氣曱酸異丁酯。攪拌3分鐘後,加入 2.06克(31.3¾莫耳)疊氮化納在1〇毫升水之溶液,而同時溫 度升至0°C。在0°C下攪拌45分鐘後,懸浮液以200毫升甲苯 稀釋及轉至分液漏斗。有機層以1000毫升飽和碳酸氫鈉溶 液2次及1〇〇毫升飽和氣化鈉溶液2次清洗。其後,有機層在 毛IL 納上脫水及溶劑經蒸發至約8 〇毫升之體積。溶液逐漸 ‘為至8 0 C及在此溫度下保持3 〇分鐘。其後,加入3 5.3毫升 (376毫莫耳)第三丁醇及混合液在8〇°c下攪拌18小時。然後 溶劑在減壓下除去’及殘留物在矽膠上層析,使用二氣甲 燒和甲醇之98 : 2混合液為離析液。得到4.82克(77%理論值) (RS)-{ 1-[4-(4-氟苄氧基)_苯基]_5_氧吡咯啶_3·基}_胺甲酸第 二丁 醋為白色固體。MS: m/e=401 (M+H)+。 d) (RS)-4-胺基·-氧基)·苯基]•吡咯啶_2_酮氫氣鹽 在類似述於實施例lf)之方式中’(1^)_{1_[4_(4_氟芊氧基) -笨基]-5-氧咐咯啶_3_基卜胺曱酸第三丁酯在酸性條件下裂 解,生成(RS)-4-胺基·ΐ-[4·(4-氟苄氧基)-苯基]_吡咯啶_2_酮氫 氣鹽為白色固體(產量80%理論值)》MS: m/e=301 (Μ + Η)+。 8781 丨.doc -37· 1337604 e) (RS)-N-{l-[4-(4-氟节氧基)-苯基]-今-氧^»比洛咬-3-基}-乙 醯胺 在類似述於實施例lg)之方式中,(R)-4-胺基-l-[4-(4-氟芊 氧基)-苯基]-吡咯啶-2-酮之乙醯化反應,生成(rs)-N-{1-[4-(4-氟芊氧基)-苯基]-5-氧吡咯啶-3-基卜乙醯胺為白色固 體(產量 98%理論值)。MS: m/e=343 (M+H)+。 實施例14 : (R)-N- {1 -[4-(4·氟芊氧基)-苯基]-5-氧吡咯啶-3-基}-乙醯胺及(S)-N-{l-[4-(4-氟芊氧基)-苯基 ]-5-氧吡咯啶-3-基}-乙醯胺 0.25克(0,7毫莫耳)兩種鏡像異構物(rs)-N-{1-[4-(4-氟苄 氧基)-苯基]-5-氧吡咯啶-3-基卜乙醯胺(實施例13)在製備型 對掌HPLC管柱(CHIRALPAK® AD,壓力:17巴,流速:35 毫升/分)上分開’使用庚垸和乙醇之4: 1混合液為離析液。 得到100毫克(39%理論值)第一離析之(r)-(+)-N-{1-[4-(4-氟 苄氧基)-苯基]-5-氧吡咯啶-3_基卜乙醯胺[MS: m/e=343 (M++H)]及90毫克(35%理論值)後離析異構物之(S)-(-)-Ν-{1-[4-(4-氟芊氧基)·苯基卜5_氧吡咯啶_3_基卜乙醯胺[MS: m/e = 343 (M+H) + ],各為白色固體β 實施例15 : (RS)-N-{l-[4-(4-氟苄氧基)-苯基]-5-氧吡咯啶 -3-基}-甲酿胺 在類似述於實施例4a)之方式中,(RS)-4-胺基-l-[4-(4-氟 苄氧基)-苯基]•吡咯啶·2_酮氫氣鹽[實施例nd)]之乙醯化反 應’生成(RS)-N- {1 -[4-(4-氟芊氧基)-苯基]-5-氧吡咯啶-3-基} -甲酿胺為白色固體(產量77.5%理論值)。MS: m/e=328 8781l.doc •38- 1337604 (M + H)+。 實施例16 : (RS)-N-[ 1-(4-芊氧基苯基)-5-氧毗咯啶-3-基]•乙 醯胺 a) (RS)-4-胺基-1-(4 -节氧基苯基)-P比哈淀-2-酮氮氣鹽 在類似述於實施例If)之方式中,(RS)-[l-(4-芊氧基笨基) -5-氧吡咯啶-3-基]-胺甲酸第三丁酯[實施例lc)]之第三丁氧 羰基裂解,生成(RS)-4-胺基-1-(4-笮氧基苯基)-吡咯啶-2-酮 氩氯鹽為白色固體(產量84%理論值)。 b) (RS)-N-[l-(4-节氧基苯基)-5-氧u比I»各淀-3-基]-乙酿胺 在類似述於實施例lg)之方式中,(RS)-4-胺基-1-(4-苄氧 基苯基)-吡咯啶-2-酮氫氯鹽之乙醯化反應,生成(rs)-N-[1-(4-芊氧基苯基)-5-氧叶b 11 各咬-3-基]-乙酿胺為白色固體(產量 21%理論值)》MS: m/e=325 (M+H)+。 實施例17 : (RS)-N-{卜[4-(2·氟芊氧基)_苯基]-5-氧吡咯啶 -3-基}-乙醯胺 a) (RS)-l-[4-(2·氟苄氧基)-苯基]氧吡咯啶-3-羧酸甲酯 在類似述於實施例13a)之方式中,(rs)-1-(4-羥基苯基)_5_ 氧吡咯啶-3-羧酸甲酯[實施例213)]與2_氟笮基溴,使用碳酸 絶為鹼,在RT下烷化反應,生成氟芊氧基卜苯基] -5-氧峨洛呢-3-羧酸甲酯為淡黃色固體(產量82〇/〇理論值)。 1?)(1^)-1-[4-(2-氟芊氧基)_苯基]-5_氧1}比哈咬_3-叛酸 在類似述於實施例l3b)之方式中,氟苄氧基) -苯基]-5-氧吡咯啶_3_羧酸甲酯之水解作用,生成(rs)。-[4-(2-氟卞氧基)·苯基]_5_氧吡咯啶_3_羧酸為混白色固體(產 8781 l.doc -39· 1337604 量82%理論值)。 c) (RS)-4-胺基-1 _[4-(2 -氟苄氧基)-苯基]比ρ各咬_2__氫氣鹽 在類似述於實施例2g)之方式中,(rs)-i_[4-(2-氟芊氧基)- 苯基]-5-氧吡咯啶_3-羧酸之可提爾斯重組法及中間物異氰 酸酯之水解作用’生成(RS)-4-胺基-l-[4-(2-氟芊氧基)-苯基] 比Ρ各咬,2·酮氫氣鹽為白色固體(產量85%理論值)。MS: m/e=301 (M+H)+。 d) (RS)-N-{ l-[4-(2-氟节氧基)-苯基]-5-氧^比哈咬_3_基卜乙 醯胺 在類似述於實施例lg)之方式中,(RS)_4-胺基-l-[4-(2-氟 苄氧基)-苯基]-吡咯啶-2-酮之乙醯化反應,生成(rs)-N-{1-[4-(2-氟芊氧基)-苯基]-5-氧叶b哈啶-3-基}-乙醯胺為白色固 體(產量 98%理論值)。MS: m/e=343 (M+H)+。 實施例18 : (RS)-(E)-N-(l-{4-〇(3-氟苯基)-乙烯基]-苯基} -5-氧吡咯啶-3-基)-乙醯胺 a) (E)-l-氟-3-[2-(4-硝基苯基)乙烯基]-苯 677毫克氩化鈉(55%在油之懸浮液)在10毫升N,N-二甲基 甲醯胺之懸浮液經冷至〇°C。接著分批加入5.61克(20.5毫莫 耳)二乙基(4·硝基芊基)膦酸酯。反應混合液經靜置溫至rT 及攪拌1.5小時。其後,混合液經冷至-l〇°C及逐滴加入1.5 克(12.1毫莫耳)3-氟苯甲醛在5毫升N,N-二甲基甲醯胺之溶 液。攪拌在0°C下繼續30分鐘,然後在RT下。實驗繼續後, 加入冰和乙酸乙酯至反應混合液中。有機層經分開,在硫 酸鎂上脫水及在減壓下蒸發,生成粗結晶產物,其在自乙 87811.doc • 40 - 1337604 謎和庚燒之混合液再結晶後,得到2.4 1克(82%理論值)(E)-1 - 氟- 3-[2-(4-硝基表基)乙缔基]_苯為黃色固體;ms: m/e=243 (M)+。 b) (E)-4-[2-(3-氟苯基)·乙晞基卜苯基胺 2.41克(10毫莫耳)(£)-!_氟_3_[2_(4_硝基苯基)乙烯基]_苯 在25毫升乙酸乙酯之溶液以氬氣沖洗及其後,在RT和常壓 下氫化4小時’使用0.241克鉑在碳上(5%)為觸媒《實驗繼續 後’觸媒在二鈣石上濾掉及生成之溶液在減壓下蒸發。得 到之固體物質自乙醚和庚烷之混合液結晶,生成丨32克 (62.5%理論值)(E)-4-[2-(3-氟苯基)-乙晞基]-苯基胺為橘色 固體;MS: m/e=213 (M)+。 〇(1^)-(£)-1-{4-[2-(3-氟苯基)-乙烯基卜苯基卜5_氧吡17各咬 -3-羧酸 600毫克(2.8毫莫耳)(E)-4-[2-(3-氟苯基)-乙烯基]•苯基胺. 和366毫克(2.8毫莫耳)亞甲基丁二酸之混合液經熱至13〇<^ 。1小時後,熔融之物質經冷至RT及其後,生成之固體以乙 酸乙酯磨濕,生成568毫克+ ^ + 氟苯基)-乙晞基]-苯基}-5-氧吡洛啶-3-幾酸為細黃色粉末 ;MS: m/e=324 (M-H)+。 d) (RS)-(E)-(l-{4-[2-(3-氟苯基)-乙烯基卜笨基卜5•氧p比呜^ -3-基)-胺甲酸第三丁酯 150毫克(0.46毫莫耳)(RS)-(E)-l-{4-[2-(3-氟苯基)_乙埽基] -苯基卜5-氧被洛咬-3-羧酸在2毫升四氫呋喃之溶液經冷至 -15°C及逐滴加入63毫克(0.46毫莫耳)氣甲酸甲酯。5分鐘後 878 丨丨.doc -41 · 1337604 ’加入60毫克(0.92毫莫耳)叠氮化鈉在0.5毫升水之溶液。混 合液在0 C下攪掉45分鐘,然後靜置溫至rt。加入甲苯及稀 釋之溶液以飽和碳酸氫鈉溶液清洗。有機層經分開,在硫 鎂上脫水及在減壓·下蒸發。殘留物經溶於5毫升甲苯及溶 液經溫至8 0 C。3 0分鐘後,加入1 · 1毫升(1.2毫莫耳)第三丁 醇及加熱繼續18小時。實驗繼續後,反應混合液經蒸發及 粗產物直接在石夕膠上層析’使用二氣甲炫> 和甲醇之9 5 : 5混 合液為離析液。自乙醚結晶後,得到1 〇4毫克(57%理論值) (RS)-(E)-(l-{4-[2-(3-^笨基)-乙埽基]-苯基卜5-氧u比洛咬_3-基)-胺甲酸第三丁酯為淡黃色固體;MS: m/e=397 。 e) (RS)-(E)-4-胺基-l-{4-[2-(3 -氟苯基)-乙缔基]_苯基卜?比哈 淀-2 -酮氫氯鹽 104 毫克(0.26 毫莫耳)(RS)-(E)-(l-{4-[2-(3-氟苯基)-乙烯 基]-苯基}-5-氧吡咯啶-3-基)-胺甲酸第三丁酯在2.5毫升四 氫呋喃之溶液以192毫克鹽酸(37%)處理。混合液經溫至45»C 下2小時’然後在RT下攪拌18小時。產物部份自反應混合液 中沉澱,其經蒸發生成粗氫氣鹽。此自乙醚再結晶,得到 74毫克(85%理論值)(RS)-(E)-4-胺基-1- {4-[2-(3-氟苯基)-乙 缔基]-笨基}-p比洛咬-2-網氫氯鹽為白色固體;MS: m/e= 297 (M+H)+。 f) (RS)-(E)-N-(l-{4-[2-(3 -氟私基)-乙缔基]-苯基}·5·氧 p 比洛 淀-3-基)-乙酿胺 61 毫克(0.18毫莫耳)(RS)-(E)-4-胺基-l-{4-[2-(3-氟苯基)-乙晞基]-笨基}-吡咯啶-2-酮氫氣鹽在2.5毫升二氣甲烷之懸 8781l.doc -42- 1337604 浮液以45毫克(0.44毫莫耳)三乙胺處理。混合液經冷至〇°C 及其後,加入20毫克(0.26毫莫耳)乙醯氣。在〇°C下1小時後 ,混合液經靜置溫至RT及二氣〒烷稀釋。以水清洗後,有 機層在硫酸銕上脫水及蒸發。粗產物自乙鍵再結晶,生成49 毫克(78%理論值)(RS)-(E)-N-(l-{4-[2-(3-氟苯基)-乙烯基]· 苯基}-5 -氧吡洛啶-3-基)-乙醯胺為淡棕色固體;MS: m/e=339 (M+H)+ » 實施例19 : (RS)-N-(l-{4-[2-(3-氟苯基)-乙基]-苯基}-5-氧吡 咯啶-3-基)-乙醯胺 a) 4-[2-(3-氟苯基)·乙基]•苯基胺 在類似述於實施例18b)之方式中,(E)-l-氟-3-[2-(4-硝基 苯基)-乙晞基]·苯[實施例18a)]使用鈀在碳上(10%)氫化5小 時,及同時還原雙鍵,定量地生成4_[2_(3·氟苯基乙基卜 苯基胺為黃色固體。MS: m/e=2l5 (M)+。 b) 氟苯基)-乙基]_苯基卜5·氧吡咯啶_3•羧酸 在類似述於實施例18c)之方式中,4·[2_(3_氟苯基)·乙基]· 笨基胺與亞甲基丁二酸反應,生成(RS)-l-{4-[2-(3-氟苯基)- 乙基]-苯基卜5-氧吡咯啶-3-羧酸為淡棕色固體;MS: m/e= 326 (M-H)+ 〇 C) (RS)-(1-{4-[2-(3-氟苯基)-乙基]-苯基}-5-氧吡咯啶-3-基)-胺甲酸第三丁騎 在類似述於實施例18d)之方式中,(Κ5)1{4 [2_(3_氟苯基) -乙基]-苯基}-5_氧吡咯啶_3_羧酸之可提爾斯重組法及中 間物異氰酸酿以第三丁醇處理,生成(1屮-[2-(3·氟苯基)- 87811.doc •43· 1337604 乙基]-苯基}-5-氧吡咯啶-3-基)-胺甲酸第三丁酯為混白色 固體(產量 3 6%理論值);MS: m/e=399 (M+H)+。 d) (RS)-4-胺基- l- {4-[2-(3 -氟苯基)-乙基]-苯基}-p比ρ各淀-2- 酮氫氣鹽 在類似述於實施例18e)之方式中,第三丁氧基羰基由鹽 酸之裂解,生成(RS)-4-胺基-l-{4-[2-(3-氟苯基)-乙基]-苯基} -吡咯啶-2-酮氫氣鹽為混白色固體(產量67.5%理論值)。MS: m/e=299 (M+H)+ ° e) (RS)-N-(l-{4-[2-(3-氟苯基)·乙基]-苯基}·5_氧吡咯啶-3- 基)-乙醯胺 在類似述於實施例18f)之方式中,(rs)-4-胺基-1-{4-[2-(3-氟苯基)-乙基]-苯基}-ρ比哈读:-2-綱之乙酿化反應,在乙醜中 結晶後生成(RS)-N-(l-{4-[2-(3-氟苯基)-乙基]_苯基卜5-氧 吡咯啶-3-基)-乙醯胺為白色固體(產量85 6〇/〇理論值)。MS: m/e= 341 (M+H)+ 0 實施例20 : (RS)-N-{l-[6-(4-氟芊氧基)_吡啶·3·基]_5·氧吡 洛咬-3-基}_乙酿胺 a) 2-(4-氟节氧基)-5-硝基ρ比咬 在類似述於醫藥化學會刊33: 2087-2093 (1990)之方式中 ,4-氟笨甲醇而非苯甲醇,與2_氣_5•硝基吡啶反應,生成 2-(4-氟苄氧基)-5·硝基p比咬為黃色固體。 b) 6-(4-氟节氧基)-ι»比咬_3-基胺 0.70克(2.8宅莫耳)2-(4-亂爷氧基)_5•硝基吡啶和2 36克 (4.2毫莫耳)鐵粉在35毫升和〇.7毫升乙酸之混合液在迴流下 87811.doc • 44· 1337604 加熱4小時。實驗躧續後,反應混合液在劇烈攪拌下以水和 乙酸乙s旨處理,其後在二_石層上過遽。有機層經分開, 在硫酸鈉上脫水及在減壓下蒸發。得到〇 28克(45%理論值) 6-(4-氟下氧基卜吡哫基胺為綠色固體,其經進行下一步 鄉,而無進一步純化。 c) (RS)-l-[6-(4-氟芊氧基)·吡啶_3_基]-5_氧吡咯啶_3_羧酸 在類似述於實施例la)之方式中,6_(4_氟芊氧基)_吡啶_3_ 基胺與亞甲基丁二酸反應,生成(RS)小[6爷氟爷氧基卜比 哫-3-基]-5-氧吡咯啶羧酸為綠色固體(產量47%理論值)^ d) (RS)-4-胺基·卜[6‘(4_氟年氧基)”比啶·3·基卜比咯啶_2·明 二氫氣鹽 在類似述於實施例2g)之方式中,•氟苄氧基)_ 吡哫-3-基]-5-氧吡咯啶羧酸之可提爾斯重組法,及中間 物異氰酸醋之處理,生成(RS)-4.胺基小[6-(Ή氧基)-α比 啶-3-基]-吡咯啶·2_酮二氫氣鹽為淡黃色固體。 勾(RS)-N-{1-[6'(4-氟苄氧基)-吡啶-3-基]-5-氧吡咯啶-3-基} -乙醯胺 在類似述於實施例lg)之方式中,(RS)-4-胺基-1-[6~(4-氟 下轧基)·吡哽·3'基卜吡咯啶-2-酮二氫氣鹽之乙醯化反應, 生成(RS)-N-{丨.[6_(4_氟苄氧基)·吡啶·3·基卜%氧吡咯啶·3· 基}-乙酿胺為白色固體(產量37〇/〇理論值);MS: m/e=344 (M+H)+。 贯施例21 (S)'N-{ l-[4-(3 -氯苄氧基)-苯基]_5-氧?比洛咬- 3· 基'卜乙醯胺 87811.doc -45· 1337604 a) (S)-N-[ 1-(4-羥基苯基)-5-氧吡咯啶·3-基]·乙醯胺 4.67克(13.6毫莫耳)(3)氺-{1-[4-(3-氟苄氧基)-苯基卜5_氧 咕洛咬-3-基卜乙醯胺在500毫升四氫呋喃之溶液在726毫克 把在碳上(10%)存在下在常壓和RT下氫化丨8小時β反應未完 成’觸媒在二鈣石上過濾及加入另726毫克鈀在碳上(10%) 。實驗繼續後,反應混合液在二鈣石上過濾,然後在減壓 下過/慮。彳于到粗(S)-N-[l-(4-#k基苯基)-5-氧υ比洛淀_3-基]_ 乙醯胺為混白色固體,其直接進行下一步驟,而無進一步 純化。MS: m/e=235 (M+H)+。 b) (S)-N-{l-[4-(3-氣苄氧基)-苯基]·5·氧吡咯啶_3-基}-乙醯胺 15宅克(0.064¾:莫耳)(S)-N-[l-(4-經基苯基)-5 -氧ρ比落咬 -3-基]-乙醯胺在30毫升丙酮之溶液以〇.〇1毫升(〇 〇74毫莫 耳)2-氣苄基溴和22毫克(0.067毫莫耳)碳酸絶處理及混合液 在4〇 C下攪拌4小時。實驗繼續後,反應混合液經過濾及蒸 發至乾涸。殘留物在矽膠上層析,使用二氣甲烷和甲醇之 19 : 1混合液為離析液。得到17毫克(72%理論值)(S)_N_ {l-[4-(3-氣笮氧基)·苯基]_5_氧吡咯啶·3·基卜乙醯胺為白色 固體。MS: m/e=359.3 (Μ+Η)+。 實施例22 : (S)-N-{l-[4-(2,6-二氟芊氧基)-苯基]-5-氡吡咯 吃-3-基}-乙酿胺 在類似述於實施例21b)之方式中,自(S)-N-[l-(4-羥基苯 基)-5-氧被咯啶-3-基]-乙醯胺[實施例21a)]開始,標題化合 物由與2,6-二氟芊基溴和碳酸铯在4〇°C下烷化過夜而製備 。產量85%理論值為白色固體。ms: m/e=361.3 (M+H)+ » 87811.doc -46- 只把例23 : (S)-N-{5-氧-l-[4-(2,4,6-三氟苄氧基)-苯基]-吡 咯啶-3-基}-乙醯胺 在類似述於實施例2lb)之方式中,自(s)-N-[ 1-(4-羥基苯 基)-5-氧吡咯啶_3_基]_乙醯胺[實施例2U)]開始,標題化合 物由與2,4,6-三氟芊基溴和碳酸絶在4〇°c下烷化過夜而製 備。產量53%理論值為白色固體。ms: m/e=379.4 (M+H)+。 贯把例24 : (S)-N-{l-[4-(3-甲氧基苄氧基)-苯基]_5-氧吡咯 咬-3-基}-乙酿胺 在類似述於實施例21b)之方式中,自(s)-N-[ 1-(4-經基苯 基)-5-氧吡咯啶-3_基卜乙醯胺[實施例2U)]開始,標題化合 物由與3-甲氧基芊基溴和碳酸绝在4〇〇c下烷化過夜來製備 。產量580/〇理論值為白色固體。ms: m/e=355.2 (M+H)+。 只犯例25 : (S)-N-{5-氧-l-[4-(4-三氟芊氧基)-苯基]•吡咯啶 -3-基}-乙酿胺 在類似述於實施例2lb)之方式中,自(s)-N-[ 1-(4-羥基苯 基)-5·氧说嗜·咬-3-基]-乙醯胺[實施例21a)]開始,標題化合 物由與三氟甲基)-苄基溴和碳酸絶在4(TC下烷化過夜來 製備。產量55%理論值為白色固體Q ms: m/e=393.3 (M + H)+。 實施例26: (S)-N-{l-[4-(4-甲基芊氧基)_苯基]-5-氧吡咯啶 •3-基}-乙醯胺 在類似述於實施例21b)之方式中,自(s)-N-[l-(4-羥基苯 基)-5-氧说洛咬-3-基]-乙醯胺[實施例21a)]開始,標題化合 物由與4-甲基辛基溴和碳酸绝在4〇°C下烷化過夜來製備。 產量83%理論值為白色固體。ms: m/e=339.1 (M+H)+。 87811.doc -47- 1337604 實施例27 : (S)_N_ { 氰基爷氧基)_笨基卜5_氧吡咯啶 ·3·基卜乙醯胺 在類似述於實施例21b)之方式中,自(S)-N-[l-(4-羥基苯 基)-5-氧p比嘻咬_3- 基]-乙醯胺[實施例21a)]開始,標題化合 物由與·3-(;臭甲基)_苯曱腈和碳酸铯在4〇艽下烷化過夜來製 備。產量91。/〇理論值為淡黃色固體。ms: m/e=350.3 (Μ+Η)+。 實施例A :錠劑 以下組成之鍵劑 以傳統方式產生: 毫克/錠劑 活性組份 100 粉末乳糖 95 白玉米澱粉 35 聚乙缔基咕哈咬綱 8 羧甲基澱粉鈉 10 硬脂酸鎂 2 錠總重 實施例B :錠劑 250 以下組成之錠劑以傳統方式產生 毫克/鍵劑 活性組份 200 粉末乳糖 100 白玉米澱粉 64 聚乙烯基吡咯啶酮 12 羧曱基澱粉鈉 20 8781l.doc • 48- 1337604 硬脂酸鎂 4 錠總重 400 實施例C :膠囊 以下組成之膠囊經產生: 毫克/膠囊 活性組份 50 結晶乳糖 60 微晶纖維素 34 滑石 5 硬脂酸鎂 1 膠囊填充重 150 具合適粒度之活性組份、結晶乳糖和微晶纖維素彼此經 均質混合'過篩及其後滑石和硬脂酸鎂經混合。最後混合 物經填入合適大小之硬明膠膠囊。 實施例D :注射液 注射液可具以下組成及以傳統方式製造: 活性組份 1.0毫克 1 N HC1 20.0微升 乙酸 0.5毫克 NaCl 8.0毫克 酚 10.0毫克 1 N NaOH 適量至pH 5 H2〇 適量至1毫升 87811.doc -49-
Claims (1)
1337604 第092125735號專利申請案 中文申請專利範圍替換本(99年10月)、 拾、申請專利範圍: 1 · 一種式I之化合物, R*
其中 Q為=N-或=C(R24)-; X-Y為-CH2-CH2-、-CH=CH-或 _CH2-0-; -(C,-C6)-)、烧氡基 R1、R1·1和R1·2各自獨立選自由氫、鹵素、_素 烧基、氰基、(Ci-Ce)-烧氧基或鹵素 1 組成之群; R21、R22和R23各自獨立選自由氫和鹵素組成之群 R24為氫、鹵素或甲基; R3 為-NHR6 ; R4為氫;及 R6為-c(o)H、-C^OHCVC;)-烷基、c(o)-(cvC3)烷基(其 中該(C〗-C3)烷基係可在任何位置•上以—或多個鹵素 原子取代)、-(:(0)0((^-(:3)-烧基、-C(〇)nh2 或 -SOHCVC〕)-烧基; 以及其個別異構物、消旋或非消旋混合物,及其醫藥上 可接受鹽。 2. 如申請專利範圍第1項之化合物,其中Q為=C(R24)-。 3. 如申請專利範圍第!項之化合物,其中乂_丫為_(:1^_〇_。 87811-991015.doc 4·如申請專利範圍第1項之化合物,其中R1.1和R1 2為氣及 R為氮或齒素。 5. 如申5青專利範圍第1項之化合物,其中R21、R22和R23為氫。 6. 如申請專利範圍第i項之化合物,其中R24為氫。 7. 如申凊專利範圍第1項之化合物,其中R3為-NHR6,R6為 -c(o)H、-c(o)-ch3、-c(o)-ch2f、-c(o)-chf2、-c(o)-cf3 ' -C(〇)〇_ch3、-C(〇)-NH2或-so2-ch3。 8·如申請專利範圍第1項之化合物,其中該化合物具(s)_組 態。 9.如申請專利範圍第1項之化合物,其中該化合物選自以下 (RS) Ν-{1-[4-(3-氟苄氧基)_笨基]_5_氧p比洛咬·3_基卜乙 醯胺, (S) Ν-{1-[4-(3-氟芊氧基)_苯基]_5_氧吡咯啶_3_基卜乙醯 胺, ()Ν {1 [4-(3 -說罕氧基)_苯基]_5_氧吨π各咬_3_基卜乙醯 胺, (RS)-N-{ l-[4-(3-氟芊氧基苯基]_5_氧吡咯啶基卜甲 醯胺, (SHMi-[4_(3-氟苄氧基)_苯基]_5_氧吡咯啶_3_基卜曱醯 胺, (){ 1 敦苄氧基)-苯基]-5-氡tr比洛咬_3-基}•曱醯 胺, (RS)-U-[4-(3·氟苄氧基)_苯基]_5_氧吡咯啶基卜胺曱 酸甲酯, 87811-991015.doc (RS)-{l-[4-(3-氟苄氧基)-苯基]-5-氧吡咯啶-3-基}-脲, (RS)-N-{l-[4-(3-氟芊氧基)-苯基]-5-氧吡咯啶-3-基卜甲 石黃醯胺, (S)-2-氟-Ν-{1-[4-(3-氟苄氧基)-苯基]-5-氧吡咯啶-3-基}-乙醯胺, (S)-2,2-二氟-Ν-{1-[4-(3-氟芊氧基)-苯基]-5-氧吡咯啶-3-基卜乙醯胺, (5)-2,2,2-三氟-;^{1-[4-(3-氟苄氧基)-苯基]-5-氧吡咯啶 -3 -基}-乙龜胺’ (RS)-N-{l-[4-(4-氟苄氧基)-苯基]-5-氧吡咯啶-3-基}-乙 醢胺, (R) -N-{ 1 -[4-(4-氟芊氧基)-苯基]-5-氧吡咯啶-3-基}-乙醯 胺, (S) -N-{l-[4-(4-氟芊氧基)-苯基]-5-氧吡咯啶-3-基}-乙醯 胺, (RS)-N-{l-[4-(4-氟芊氧基)-苯基]-5-氧吡咯啶-3-基}-曱 醯胺, (RS)-N-[ 1-(4-苄氧基笨基)-5-氧吡咯啶-3-基]-乙醯胺, (RS)-N-{ 1-[4-(2-氟芊氧基)-苯基]-5-氧吡咯啶-3-基}-乙 醯胺, 、 (RS)-(E)-N-(l-{4-[2-(3-氟苯基)-乙烯基]-苯基}-5-氧吡咯 咬-3-基)-乙酸胺’ (RS)-N-( 1-{4-[2-(3-氟苯基)-乙基]-苯基}-5-氧吡咯啶-3-基)-乙醯胺, 87811-991015.doc 1337604 (RS)-N-{ l-[6-(4-氟苄氧基)_吡啶_3•基]_5_氧吡咯啶_3_基} -乙酿胺, (S)-N-{l-[4-(3-氣苄氧基)_苯基]_5_氧吡咯啶_3_基卜乙醯 胺, (3)-:^{1-[4-(2,6-二氟苄氧基)_苯基]_5_氧吡咯啶_3_基}_ 乙醯胺, (S)-N-{5-氧-ΐ_μ_(2,4,6-三氟芊氧基笨基]_吡咯啶_3•基} -乙酿胺, (S) Ν {1-[4-(3-’氧基羊氧基)_苯基]_5_氧ρ比洛咬_3_基卜 乙酿胺, (S)_N_{5_氧_1_[4_(4-三氟苄氧基)-苯基]-吡咯啶-3-基}- 乙酿胺, (S)-N-{ 1-[4-(4_ f基芊氧基)_笨基]_5•氧吡咯啶_3基卜乙 胺及 (S)-N-{l-[4-(3-氰基苄氧基)_苯基]_5_氧吡咯啶_3_基卜乙 醯胺。 1 0. —種製備如申請專利範圍第i至9項中任一項之化合物 之方法,其方法係包括: a)將下式化合物
與異氰酸酯或式z-chohcvc;)-烷基、z_c(〇HCi_C3) 烷基(其中該(C]-C:3)烷基係可在任何位置上以一或多個 87811-991015.doc -4- 1337604 鹵素原子取代)、Z-C^COCKCVCO-烷基或 Z-S〇2_(Cl-C3) 烷基之醯基供給劑反應,其中z為函素或酸針’ 或 b)將下式化合物
與下式之吡咯啶酮進行交耦合反應 R3
其中LG為脫離基。 11 ·如申請專利範圍第1 〇項之方法,其中為ci、Br或I或 SnR34B(〇H)2之脫離基。 12·如申請專利範圍第1項之化合物,其由如申請專利範圍第 10項之方法製備。 13.如申請專利範圍第1項之化合物,其具式〗*,
R1為_素、 約囹素、鹵素_(CrC6)-烷基、氰基、 南素-(Ci-Cd-烷氡基; R R 、R23和R24夂白想作溫6山& (Ci-C6)-烷氧基或 和R24各自獨立選自由 虱和鹵素組成之群; 87811-991015.doc 14. 15. 16. 17. 18. 19. 20. R3 為-NHR6 ; R為氫; R 為-co-(Ci-c3)·炫基或_s〇2_(c「C3)_烷基;及 π 為 〇、i、2 或 3 ; 以及其個別異構物、消旋或非消旋混合物,及其醫藥上 可接受鹽。 —種用於治療由單胺氧化酶Β抑制劑所中介之疾病之醫 藥k合物’其包含如申請專利範圍第1或13項之化合物及 醫藥上可接受賦形劑。 如申請專利範圍第14項之醫藥組合物,其係用於治療阿 知海默氏症或老人癡呆症。 如申μ專利範圍第14項之醫藥組合物,其係用於治療抑 繁 '焦慮、驚懼攻擊、社交恐懼、精神分裂症、飲食和 代謝障礙、或由酗酒、尼古丁和其他上癮藥物誘導之脫 癮症候群。 如申請專利範圍第16項之醫藥組合物,其中該飲食和代 謝障礙為肥胖。 =請專利範圍第biU3項之化合物,其係用於治療由單 胺氧化酶B抑制劑所中介之疾病。 2如^專利範圍第Q13項之化合物以及其個別異 :旋或非消旋混合物及其醫藥上可接受鹽之用途 之藥:用於製造治療由單胺氧化酶B抑制劑所中介疾病 如申請專利範圍第19項之用途, 其中該疾病為阿兹海默 87811-991015.doc 1337604 氏症或老人癡呆症。 21. 如申請專利範圍第19項之用途,其中該疾病為抑鬱、焦 慮、驚懼攻擊、社交恐懼、精神分裂症、飲食和代謝障 礙、或由齡酒、尼古丁和其他上瘾藥物誘導之脫瘾症候 群。 22. 如申請專利範圍第21項之用途,其中該飲食和代謝障礙 為肥胖。
87811-991015.doc
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| AU2005268894B2 (en) * | 2004-08-02 | 2010-12-16 | F. Hoffmann-La Roche Ag | Benzyloxy derivatives as MAOB inhibitors |
| KR100845366B1 (ko) * | 2004-08-02 | 2008-07-09 | 에프. 호프만-라 로슈 아게 | 모노아민 산화효소 b 억제제로서 벤질옥시 유도체 |
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