TWI579295B - 新穎吡唑化合物 - Google Patents
新穎吡唑化合物 Download PDFInfo
- Publication number
- TWI579295B TWI579295B TW102114877A TW102114877A TWI579295B TW I579295 B TWI579295 B TW I579295B TW 102114877 A TW102114877 A TW 102114877A TW 102114877 A TW102114877 A TW 102114877A TW I579295 B TWI579295 B TW I579295B
- Authority
- TW
- Taiwan
- Prior art keywords
- mmol
- methyl
- compound
- pyrazol
- pharmaceutically acceptable
- Prior art date
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- 150000003217 pyrazoles Chemical class 0.000 title description 4
- 150000001875 compounds Chemical class 0.000 claims description 71
- 150000003839 salts Chemical class 0.000 claims description 32
- 206010012601 diabetes mellitus Diseases 0.000 claims description 15
- 239000003814 drug Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000008194 pharmaceutical composition Substances 0.000 claims description 6
- 206010067584 Type 1 diabetes mellitus Diseases 0.000 claims description 5
- 208000001072 type 2 diabetes mellitus Diseases 0.000 claims description 5
- 229940124597 therapeutic agent Drugs 0.000 claims description 4
- 239000003085 diluting agent Substances 0.000 claims description 2
- 239000003937 drug carrier Substances 0.000 claims description 2
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 2
- 238000002560 therapeutic procedure Methods 0.000 claims description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 60
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 54
- 238000003786 synthesis reaction Methods 0.000 description 43
- 230000015572 biosynthetic process Effects 0.000 description 42
- 238000000034 method Methods 0.000 description 37
- 239000000243 solution Substances 0.000 description 37
- 238000006243 chemical reaction Methods 0.000 description 35
- 238000002360 preparation method Methods 0.000 description 35
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 32
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 32
- 239000008103 glucose Substances 0.000 description 29
- 239000000203 mixture Substances 0.000 description 27
- 235000019439 ethyl acetate Nutrition 0.000 description 23
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 19
- 125000004973 1-butenyl group Chemical group C(=CCC)* 0.000 description 16
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 16
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- 239000002904 solvent Substances 0.000 description 15
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- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 12
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- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- 239000011535 reaction buffer Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
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- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 4
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- 239000000706 filtrate Substances 0.000 description 4
- 125000002249 indol-2-yl group Chemical group [H]C1=C([H])C([H])=C2N([H])C([*])=C([H])C2=C1[H] 0.000 description 4
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- 238000002953 preparative HPLC Methods 0.000 description 4
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- 235000017557 sodium bicarbonate Nutrition 0.000 description 4
- 239000011550 stock solution Substances 0.000 description 4
- 229960001052 streptozocin Drugs 0.000 description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
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- 241000699670 Mus sp. Species 0.000 description 3
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- 238000010521 absorption reaction Methods 0.000 description 3
- VJGNLOIQCWLBJR-UHFFFAOYSA-M benzyl(tributyl)azanium;chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CC1=CC=CC=C1 VJGNLOIQCWLBJR-UHFFFAOYSA-M 0.000 description 3
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- C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
- C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
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- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H17/00—Compounds containing heterocyclic radicals directly attached to hetero atoms of saccharide radicals
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Description
本發明係關於新穎吡唑化合物、包含該化合物之醫藥組合物、將該化合物用於治療生理疾病之方法、及可用於合成該化合物之中間物及製程。
本發明屬於治療糖尿病及與高血糖相關的其他病症及疾病之領域。
糖尿病係一類以高血糖濃度為特徵之病症。其影響約兩千五百萬美國人且根據2011年國家糖尿病狀態報告書(2011 National Diabetes Fact Sheet)(美國衛生人力部疾病管制及預防中心(U.S.Department of Health and Human Services,Centers for Disease Control and Prevention)),其亦係美國人的第7大死亡原因。鈉偶合葡萄糖共轉運體(SGLT)係已知負責吸收碳水化合物(如:葡萄糖)的轉運體之一。更具體言之,SGLT1負責將葡萄糖轉運跨過小腸之刷狀緣膜。抑制SGLT1可導致小腸中減少吸收葡萄糖,進而提供治療糖尿病之可行方法。
美國專利案7,655,632揭示具有人SGLT1抑制活性之某些吡唑衍生物,進一步揭示其等可用於預防或治療與高血糖相關之病症,如:糖尿病。此外,WO2011/039338揭示具有SGLT1/SGLT2抑制活性之某些吡唑衍生物,進一步揭示其等可用於治療骨疾病,如:骨質疏鬆症。
需要一種針對糖尿病之替代藥物及治療。
本發明提供SGLT1之新穎抑制劑,其等適用於治療糖尿病。
因此,本發明提供如式II之化合物:
其中X表示以下基團:
或其醫藥可接受鹽。
本發明進一步提供如式I之化合物:
或其醫藥可接受鹽。
本發明亦提供治療病患的糖尿病之方法,該方法包括將有效量之式I或II化合物,或其等醫藥可接受鹽投與需要此治療之病患。本發明進一步提供一種治療病患的1型糖尿病之方法,該方法包括將有效量之式I或II化合物,或其等醫藥可接受鹽投與需要此治療之病患。此外,本發明提供一種治療病患的2型糖尿病之方法,該方法包括將有效量之式I或II化合物,或其等醫藥可接受鹽投與需要此治療之病患。本發明亦提供一種治療病患的葡萄糖耐受不良(IGT)、空腹葡萄糖
異常(IFG)或代謝症候群之方法,該方法包括將有效量之式I或II化合物,或其等醫藥可接受鹽投與需要此治療之病患。
此外,本發明提供一種如式I或II之化合物,或其醫藥可接受鹽,用於療法,特定言之,用於糖尿病之治療。此外,本發明提供一種如式I或II之化合物,或其醫藥可接受鹽用於1型糖尿病之治療。此外,本發明提供一種如式I或II之化合物,或其醫藥可接受鹽用於2型糖尿病之治療。本發明亦提供式I或II化合物或其醫藥可接受鹽於製造治療糖尿病之藥劑之用途。此外,本發明亦提供式I或II化合物或其醫藥可接受鹽於製造治療1型糖尿病之藥劑之用途。本發明亦提供式I或II化合物或其醫藥可接受鹽於製造治療2型糖尿病之藥劑之用途。本發明亦提供式I或II化合物或其醫藥可接受鹽於製造治療IGT、IFG或代謝症候群之藥劑之用途。
本發明進一步提供一種醫藥組合物,其包含與一或多種醫藥可接受載劑、稀釋劑或賦形劑組合之式I或II化合物,或其醫藥可接受鹽。在特定實施例中,該組合物進一步包含一或多種其他治療劑。本發明亦涵蓋用於合成式I或II化合物之新穎中間物及製程。
如本文中所使用,術語「治療」或「處理」包括阻止、制止、減慢、終止或逆轉已有症狀或疾病之進程或嚴重性。
如本文中所使用,術語「病患」係指哺乳動物,如:小鼠、天竺鼠、家鼠、狗或人。應理解較佳病患係人。
如本文中所使用,術語「有效量」係指本發明化合物或其醫藥可接受鹽當呈單劑量或多劑劑投與病患,可在病患中提供所需診斷或治療作用時之用量或劑量。
由參與之診斷專家,如熟習本項技術者,透過使用已知技術及透過在類似環境下觀察所獲得的結果即很容易決定其有效量。在決定用於病患之有效量時,該參與之診斷專家會考量許多因素,包括,但
不限於:哺乳動物之物種;其體型大小、年齡及基本健康狀況;所牽涉之具體病症或疾病;該病症或疾病之牽涉程度或嚴重性;個別病患之反應;所投與之特定化合物;投與模式;所投與製劑之生物利用率特性;所選擇之劑量療程;合併用藥之用法;及其他相關情況。
式I及II化合物之有效劑量範圍基本上很寬廣。例如,日劑量一般落於約0.01至約30mg/kg體重之範圍內。在一些情況中,低於上述範圍下限之劑量程度可能會更適當,而在其他情況中,可能採用甚至更大劑量而不會導致任何有害副作用,及因此,以上劑量範圍無意以任何方式限制本發明之範圍。
較佳係將本發明化合物調配成可讓該化合物被生物利用之醫藥組合物。最佳,此等組合物係用於經口投與。此等醫藥組合物及製備其等之製程係為本相關技藝熟知。(參見,例如,Remington:The Science and Practice of Pharmacy(編輯:D.B.Troy,第21版,Lippincott,Williams & Wilkins,2006))。
在本發明之另一態樣中,將本發明化合物與一或多種治療劑(如:抗糖尿病劑)組合在一起投與。組合投藥法包括同時或依序投與。此外,該組合可呈單一組合劑量或呈各治療劑之分開劑量同時投與。抗糖尿病劑之實例包括二甲雙胍(metformin);DPPIV抑制劑,如:西他列汀(sitagliptin)或利拉列汀(linagliptin);磺醯脲,如:格列美脲(glimepiride);噻唑烷二酮,如:吡格列酮(pioglitazone);基礎胰島素,如:甘精胰島素(glargine);快速作用胰島素,如:HUMALOG或NOVOLOG;GLP-1激動劑,如:艾塞那肽(exenatide)或利拉魯肽(liraglutide);SGLT2抑制劑,如:達格列凈(dapagliflozin)或伊格列淨(empagliflozin);胰高血糖素受體拮抗劑,如:LY2409021;及類似者。
依照以下實例及反應流程所示出般製備式I及II化合物。熟悉此
相關技術者很容易獲得試劑及起始材料。除非另外說明,否則所有取代基係如上定義。咸理解,此等反應流程、製備例及實例無意以任何方式限制本發明之範圍。
解析法實例包括選擇性結晶技術或對掌性層析法。(參見,例如,J.Jacques等人,「Enantiomers,Racemates,and Resolutions」,John Wiley and Sons,Inc.,1981,及E.L.Eliel及S.H.Wilen,「Stereochemistry of Organic Compounds」,Wiley-Interscience,1994)。熟悉此相關技術者將進一步明白,可在合成法中任何合宜點進行層析、對掌性層析或選擇性結晶法分離及單離式I或II之個別非對映異構體或幾何異構體,或供製得式I或II之中間物之個別非對映異構體或幾何異構體。
如本文中所使用,「δ」係指相對於四甲基矽烷低場區之百萬分之一;「min」係指分鐘;「THF」係指四氫呋喃;「MeOH」係指甲醇或甲基醇;「HPLC」係指高效液相層析法;術語「Ac」係指具有以下結構之乙醯基取代基:
術語「Bz」係指具有以下結構之苯甲醯基取代基:
術語「BOC」係指第三丁氧羰基保護基。
醫藥可接受鹽及用於製備其等之常見方法係為相關技藝熟知者。參見,例如,Gould,P.L.,「Salt selection for basic drugs」,International Journal of Pharmaceutics,33:201-217(1986);Bastin等人「Salt Selection and Optimization Procedures for Pharmaceutical New Chemical Entities」,Organic Process Research and Development,
4:427-435(2000);及S.M.Berge等人,「Pharmaceutical Salts」,Journal of Pharmaceutical Science,Vol.66,No.1,1977年1月。熟悉合成技藝者將瞭解,呈胺形式之式I及II化合物為有機鹼,且很容易利用熟悉此相關技術者熟知之技術及條件轉化成醫藥可接受鹽(如:酒石酸鹽或HCl鹽)形式並單離。
製備例1
(4-溴-2-甲基-苯基)甲醇之合成法
反應流程1,步驟A:將甲硼烷-四氫呋喃複合物(0.2mol,200ml,1.0M溶液)添加至4-溴-2-甲基苯甲酸(39g,0.18mol)之四氫呋喃(200ml)溶液。在室溫下經過18小時後,在減壓下移除溶劑,獲得固體。藉由急驟層析純化,得到白色固體之標題化合物(32.9g,0.16mol)。1H NMR(CDCl3):δ 1.55(s,1H),2.28(s,3H),4.61(s,2H),7.18-7.29(m,3H)。
(4-溴-2-甲基-苯基)甲醇之替代合成法
在3℃下將甲硼烷-二甲亞碸複合物(2M THF溶液,116ml,0.232mol)緩慢添加至4-溴-2-甲基苯甲酸(24.3g,0.113mol)之無水四氫呋喃(THF,146ml)溶液。在冷卻下攪拌10分鐘後,移走冷卻槽,讓反應緩慢升溫至環境溫度。1小時後,將溶液冷卻至5℃,及緩慢添加水(100ml)。添加乙酸乙酯(100ml)及分離相。藉由飽和NaHCO3水溶液(200ml)清洗有機相及藉由Na2SO4乾燥。過濾及在減壓下濃縮,獲得殘餘物,過濾通過矽石短柱,同時藉由15%乙酸乙酯/異己烷溶離純化,獲得標題化合物(20.7g,91.2%產率)。MS(m/z):183/185(M+1-18)。
製備例2
4-溴-1-氯甲基-2-甲基-苯之合成法
反應流程1,步驟B:在0℃下將亞硫醯氯(14.31ml,0.2mol)添加至(4-溴-2-甲基-苯基)甲醇(32.9g,0.16mol)之二氯甲烷(200
ml)及二甲基甲醯胺(0.025mol,2.0ml)溶液中。在室溫下經過1小時後,將混合物傾倒至冰水(100g)中,藉由二氯甲烷(300ml)萃取,藉由5%碳酸氫鈉水溶液(30ml)及鹽水(200ml)清洗萃取液,藉由硫酸鈉乾燥及在減壓下濃縮,獲得白色固體之粗製標題化合物(35.0g,0.16mol)。該材料未進一步純化即用於下一個反應步驟。1H NMR(CDCl3):δ 2.38(s,3H),4.52(s,2H),7.13-7.35(m,3H)。
4-溴-1-氯甲基-2-甲基-苯之替代合成法
將甲烷磺醯氯(6.83ml,88.3mmol)緩慢添加至在冰/水中冷卻之(4-溴-2-甲基-苯基)甲醇(16.14g,80.27mmol)及三乙胺(16.78ml;120.4mmol)之二氯甲烷(80.7ml)溶液中。使混合物緩慢升溫至環境溫度及攪拌16小時。再次添加甲烷磺醯氯(1.24ml;16.1mmol)及將混合物在環境溫度下攪拌2小時。添加水(80ml)及分離相。依序藉由鹽酸(1N;80ml),隨後飽和碳酸氫鈉水溶液(80ml),隨後水(80ml)清洗有機層,及藉由Na2SO4乾燥。過濾及在減壓下濃縮,獲得殘餘物,藉由急驟層析法(利用己烷溶離)純化該殘餘物,獲得標題化合物(14.2g;80.5%產率)。1H NMR(300.11MHz,CDCl3):δ 7.36-7.30(m,2H),7.18(d,J=8.1Hz,1H),4.55(s,2H),2.41(s,3H)。
製備例3
4-[(4-溴-2-甲基-苯基)甲基]-5-異丙基-1H-吡唑-3-醇之合成法
反應流程1,步驟C:在0℃下將氫化鈉(8.29g,0.21mol,60%之油分散液)添加至4-甲基-3-側氧基戊酸甲酯(27.1ml,0.19mol)之四氫呋喃溶液中。在室溫下經過30分鐘後,添加4-溴-1-氯甲基-2-
甲基-苯(35.0g,0.16mol)之四氫呋喃(50ml)溶液。在70℃下加熱所得之混合物過夜(18小時)。添加1.0M HCl(20ml)以中止反應。藉由乙酸乙酯(200ml)萃取,藉由水(200ml)及鹽水(200ml)清洗萃取液,藉由Na2SO4乾燥,過濾及在減壓下濃縮。將所獲得之殘餘物溶於甲苯(200ml)中及添加肼單水合物(23.3ml,0.48mol)。利用迪恩-斯達克(Dean-Stark)裝置將混合物在120℃下加熱2小時以移除水。冷卻並在減壓下移除溶劑,藉由二氯甲烷(50ml)及甲醇(50ml)溶解殘餘物。將此溶液緩慢傾倒至裝有水(250ml)之燒杯中。真空過濾以收集所獲得之沉澱產物。在真空烘箱中,在40℃下乾燥過夜,得到固體之標題化合物(48.0g,0.16mol)。MS(m/z):311.0(M+1),309.0(M-1)。
4-[(4-溴-2-甲基-苯基)甲基]-5-異丙基-1H-吡唑-3-醇之替代合成法
製備4-溴-1-氯甲基-2-甲基-苯(13.16g,59.95毫莫耳)之乙腈(65.8ml)溶液。添加碳酸鉀(24.86g,179.9mmol)、碘化鉀(11.94g,71.94mmol)及4-甲基-3-側氧基戊酸甲酯(8.96ml,62.95mmol)。將所獲得之混合物在環境溫度下攪拌20小時。添加鹽酸(2N)至達到pH 3。藉由乙酸乙酯(100ml)萃取溶液,藉由鹽水(100ml)清洗有機相及藉由Na2SO4乾燥。過濾混合物及在減壓下濃縮。將殘餘物溶於甲苯(65.8ml)中,添加肼單水合物(13.7ml,0.180mol)。將所獲得之混合物加熱至回流及利用迪恩-斯達克裝置移除水。3小時後,將混合物冷卻至90℃及再添加肼單水合物(13.7ml;0.180mol),將混合物加熱至回流維持1小時。冷卻混合物及在減壓下濃縮。將所獲得之固體與水(200ml)一起研磨,過濾及在真空烘箱中藉由P2O5,在60℃下乾燥。在異己烷(200ml)中研磨該固體及過濾,獲得標題化合物(14.3g;77.1%產率)。MS(m/z):
309/311(M+1)。
製備例4
4-(4-溴-2-甲基苄基)-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-苯甲醯基-β-D-哌喃葡糖苷之合成法
反應流程1,步驟D:將4-[(4-溴-2-甲基-苯基)甲基]-5-異丙基-1H-吡唑-3-醇(20g,64.7mmol)、α-D-哌喃葡糖苷基溴四苯甲酸鹽(50g,76mmol)、苄基三丁基氯化銨(6g,19.4mmol)、二氯甲烷(500ml)、碳酸鉀(44.7g,323mmol)及水(100ml)添加至1L燒瓶中。將反應混合物在室溫下攪拌過夜。藉由二氯甲烷(500ml)萃取。藉由水(300ml)及鹽水(500ml)清洗萃取液。藉由硫酸鈉乾燥有機相,過濾,及在減壓下濃縮。藉由急驟層析純化殘餘物,得到標題化合物(37g,64mmol)。MS(m/z):889.2(M+1),887.2(M-1)。
製備例5
4-{4-[(1E)-4-羥基丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-苯甲醯基-β-D-哌喃葡糖苷之合成法
反應流程1,步驟E:將3-丁烯-1-醇(0.58ml,6.8mmol)添加至4-(4-溴-2-甲基苄基)-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-苯甲醯基-β-D-哌喃葡糖苷(3g,3.4mmol)之乙腈(30ml)及三乙胺(20ml)溶液中。利用氮氣對溶液除氣10分鐘。添加三-鄰甲苯基膦(205mg,0.67mmol)及乙酸鈀(76mg,0.34mmol)。在90℃下回流2小時。冷卻至室溫及在減壓下濃縮移除溶劑。藉由急驟層析純化殘餘物,得到標題化合物(2.1g,2.4mmol)。MS(m/z):878.4(M+1)。
製備例6
4-{4-[(1E)-4-氧基丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-苯甲醯基-β-D-哌喃葡糖苷之合成法
反應流程1,步驟F:在0℃下將3,3,3-三乙醯氧基-3-碘苯酞(134mg,0.96mmol)添加至4-{4-[(1E)-4-羥基丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-苯甲醯基-β-D-哌喃葡糖苷
(280mg,0.32mmol)及碳酸氫鈉(133.8mg,1.6mmol)之二氯甲烷(20ml)溶液。在室溫下經過15分鐘後,藉由飽和硫代硫酸鈉水溶液(10ml)中止反應。藉由二氯甲烷(30ml)萃取。藉由水(30ml)及鹽水(40ml)清洗萃取液。藉由硫酸鈉乾燥有機相,過濾,及在減壓下濃縮。藉由急驟層析純化所獲得之殘餘物以得到標題化合物(270mg,0.31mmol)。MS(m/z):876.5(M+1),874.5(M-1)。
製備例7
2-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-苯甲醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯之合成法
反應流程1,步驟G:將三乙醯氧基硼氫化鈉(98mg,0.46mmol)添加至4-{4-[(1E)-4-氧基丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-苯甲醯基-β-D-哌喃葡糖苷(270mg,0.31mmol)及2,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯鹽酸鹽(179mg,0.62mmol)之1,2-二氯乙烷(5ml)溶液中。在室溫下經過30分鐘後,藉由飽和碳酸氫鈉水溶液(10ml)中止反應。藉由二氯甲烷(30ml)萃取。藉由水(30ml)及鹽水(40ml)清洗萃取液,藉由硫酸鈉乾燥有機相,過濾及在減壓下濃縮。藉由急驟層析法純化所獲
得之殘餘物,得到標題化合物(275mg,0.25mmol)。MS(m/z):1115.6(M+1)。
製備例8
4-{4-[(1E)-4-(2,9-二氮雜螺[5.5]十一碳-2-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-苯甲醯基-β-D-哌喃葡糖苷二鹽酸鹽之合成法
反應流程1,步驟H:將鹽酸(4.0M之1,4-二氧雜環己烷溶液,0.6ml,2.4mmol)添加至2-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-苯甲醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯(275mg,0.25mmol)之二氯甲烷(5ml)溶液。在室溫下過夜(18小時)後,在減壓下濃縮移除溶劑,得到固體之標題化合物(258mg,0.24mmol)。MS(m/z):1015.6(M+1)。
實例1
4-{4-[(1E)-4-(2,9-二氮雜螺[5.5]十一碳-2-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基β-D-哌喃葡糖苷之合成法
反應流程1,步驟I:將氫氧化鈉(0.5ml,0.5mmol,1.0M溶液)添加至4-{4-[(1E)-4-(2,9-二氮雜螺[5.5]十一碳-2-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-苯甲醯基-β-D-哌喃葡糖苷二鹽酸鹽(258mg,0.24mmol)之甲醇(2ml)溶液中。在40℃下經過2小時後,在減壓下濃縮移除溶劑,獲得殘餘物,藉由製備型HPLC方法純化該殘餘物:高pH,25%B持續4分鐘,25至40%B持續4分鐘,在85ml/min下,使用30×75mm,5μm C18XBridge ODB管柱,溶劑A-H2O(含NH4HCO3),pH 10,溶劑B-MeCN,得到固體之標題化合物(46mg,0.08mmol)。MS(m/z):598.8(M+1),596.8(M-1)。
製備例9
4-(4-溴-2-甲基苄基)-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D哌喃葡糖苷之合成法
反應流程2,步驟A:將4-[(4-溴-2-甲基-苯基)甲基]-5-異丙基-1H-吡唑-3-醇(24g,77.6mmol)、2,3,4,6-四-O-乙醯基-α-D-哌喃葡糖苷溴化物(50.4g,116mmol)、苄基三丁基氯化銨(5g,15.5mmol)、二氯甲烷(250ml)、碳酸鉀(32g,323mmol)及水(120ml)添加至1L燒瓶。將反應混合物在室溫下攪拌過夜。藉由二氯甲烷(450ml)萃取。藉由水(300ml)及鹽水(500ml)清洗萃取液。藉由硫酸鈉乾燥有機相,過濾,及在減壓下濃縮。藉由急驟層析純化所獲得之殘餘物,得到標題化合物(36.5g,57mmol)。MS(m/z):638.5(M+1),636.5(M-1)。
4-(4-溴-2-甲基苄基)-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D哌喃葡糖苷之替代合成法
組合試劑4-[(4-溴-2-甲基-苯基)甲基]-5-異丙基-1H-吡唑-3-醇(24.0g,77.6mmol)、2,3,4,6-四-O-乙醯基-α-D-哌喃葡糖苷溴化物(50.4g,116mmol)、苄基三丁基氯化銨(4.94g,15.52mmol)、碳酸鉀(32.18g,232.9mmol)、二氯甲烷(250ml)及水(120ml),混合物在環境溫度下攪拌18小時。將混合物分配在二氯甲烷(250ml)與水(250ml)之間。藉由鹽水(250ml)清洗有機相,藉由Na2SO4乾燥,過濾,及在減壓下濃縮。藉由急驟層析(利用10%乙酸乙酯之二氯甲烷溶液至70%乙酸乙酯之二氯甲烷溶液溶離)純化所獲得之殘餘物,獲得標題化合物(36.5g,74%產率)。MS(m/z):639/641(M+1)。
製備例10
4-{4-[(1E)-4-羥基丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷之合成法
反應流程2,步驟B:將3-丁烯-1-醇(6.1ml,70mmol)添加至4-(4-溴-2-甲基苄基)-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D哌喃葡糖苷(15g,23.5mmol)之乙腈(200ml)及三乙胺(50ml)溶液中。使用氮氣為溶液除氣10分鐘。添加三-鄰甲苯基膦(1.43g,4.7mmol)及乙酸鈀(526mg,2.35mmol)。在90℃下回流2小時後,冷卻,及在減壓下濃縮移除溶劑。藉由急驟層析純化所獲得之殘餘物,得到標題化合物(7.5g,11.9mmol)。MS(m/z):631.2(M+1),629.2(M-1)。
製備例11
4-{4-[(1E)-4-氧基丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D哌喃葡糖苷之合成法
反應流程2,步驟C:在0℃下將3,3,3-三乙醯氧基-3-碘四氯苯酞(2.1g,4.76mmol)添加至4-{4-[(1E)-4-羥基丁-1-烯-1-基]-2-甲基苄
基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷(1.5g,2.38mmol)及碳酸氫鈉(2g,23.8mmol)之二氯甲烷(50ml)溶液中。在室溫下經過15分鐘後,藉由飽和硫代硫酸鈉水溶液(10ml)中止反應。藉由二氯甲烷(30ml)萃取,藉由水(30ml)及鹽水(40ml)清洗萃取液。藉由硫酸鈉乾燥有機相,過濾及在減壓下濃縮。藉由急驟層析純化所獲得之殘餘物,得到標題化合物(0.95g,1.51mmol)。MS(m/z):628.8(M+1),626.8(M-1)。
製備例12
2-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯之合成法
反應流程2,步驟D:將三乙醯氧基硼氫化鈉(303mg,1.4mmol)添加至4-{4-[(1E)-4-氧基丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D哌喃葡糖苷(600mg,0.95mmol)及2,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯鹽酸鹽(333mg,1.2mmol)之1,2-二氯乙烷(30ml)溶液中。在室溫下經過30分鐘後,藉由飽和碳酸氫鈉水溶液(15ml)中止反應。藉由二氯甲烷(60ml)萃取。藉由水(30ml)及鹽水(60ml)清洗萃取液。藉由硫酸鈉乾燥有機相,過濾及在減壓下濃度。藉由急驟層析純化所獲得之殘餘物,得到標題化合物(500mg,0.58mmol)。MS(m/z):866.8,867.8(M+1),864.8,865.8(M-1)。
製備例13
2-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,8-二氮雜螺[4.5]癸烷-8-甲酸第三丁酯之合成法
基本上藉由製備例12之方法製備標題化合物。MS(m/z):852.8,853.6(M+1),850.8,851.6(M-1)。
製備例14
9-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-3,9-二氮雜螺[5.5]十一烷-3-甲酸第三丁酯之合成法
基本上藉由製備例12之方法製備標題化合物。MS(m/z):866.8,867.6(M+1),864.8,865.6(M-1)。
製備例15
4-{4-[(1E)-4-(2,9-二氮雜螺[5.5]十一烷-2-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙、2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷二鹽酸鹽之合成法
反應流程2,步驟E:將鹽酸(4.0M之1,4-二氧雜環己烷溶液,1.5mL,5.8mmol)添加至2-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯(500mg,0.58mmol)之二氯甲烷(20ml)溶液中。在室溫下經過2小時後,在減壓下濃縮移除溶劑,得到固體之標題化合物(480mg,0.57mmol)。MS(m/z):767.4(M+1)。
製備例16
4-{4-[(1E)-4-(2,8-二氮雜螺[4.5]癸-2-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷二鹽酸鹽
基本上藉由製備例15之方法製備標題化合物。MS(m/z):752.8,753.8(M+1),750.8(M-1)。
實例1之第一替代合成法
4-{4-[(1E)-4-(2,9-二氮雜螺[5.5]十一烷-2-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基β-D-哌喃葡糖苷之第一替代合成法
反應流程2,步驟F:將甲醇(5ml)、三乙胺(3ml)及水(3ml)添加至4-{4-[(1E)-4-(2,9-二氮雜螺[5.5]十一烷-2-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷二鹽酸鹽(480mg,0.24mmol)中。在室溫下經過18小時(過夜)後,在減壓下濃縮至乾。藉由製備型HPLC方法純化所獲得之殘餘物:高pH,25% B持續4分鐘,25至40 B%持續4分鐘,在85ml/分鐘下,使用30×75mm,5μm C18XBridge ODB管柱,溶劑A-H2O(含NH4HCO3),pH 10,溶劑B-MeCN,得到固體之標題化合物(50mg,0.08mmol)。MS(m/z):598.8(M+1),596.8(M-1).1H NMR(400.31MHz,CD3OD):δ 7.11(d,J=1.3Hz,1H),7.04(dd,J=1.3,8.0Hz,1H),6.87(d,J=8.0Hz,1H),6.36(d,J=15.8Hz,1H),6.16(dt,J=15.8,6.3Hz,1H),5.02(m,1H),3.81(d,J=11.7Hz,1H),3.72(d,J=16.8Hz,1H),3.68(d,J=16.8Hz,1H),3.64(m,1H),3.37-3.29(m,4H),2.79(m,1H),2.72(t,J=5.8Hz,4H),2.44-2.33(m,6H),2.30(s,3H),2.26(寬s,2H),1.59(m,2H),1.50(m,2H),1.43(m,2H),1.36(m,2H),1.11(d,J=7.0Hz,3H),1.10(d,J=7.0Hz,3H)
實例2
4-{4-[(1E)-4-(2,8-二氮雜螺[4.5]癸-2-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基β-D-哌喃葡糖苷之合成法
基本上藉由實例1之第一替代合成法製備標題化合物。MS(m/z):584.7(M+1),582.8(M-1)。
實例3
4-{4-[(1E)-4-(3,9-二氮雜螺[5.5]十一烷-3-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基β-D-哌喃葡糖苷之合成法
基本上如製備例15中所述,首先利用HCl處理製備例14之化合物,隨後如實例1之第一替代合成法所述,利用三乙胺處理所獲得之鹽酸鹽,製備標題化合物。MS(m/z):598.8,599.8(M+1),596.8,597.8(M-1)。
製備例17
4-丁-3-炔基-4,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯之合成法
反應流程3,步驟A:將碳酸銫(46.66g,143.21mmol)添加至4,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯鹽酸鹽(16.66g,57.28毫莫耳)之乙腈(167ml)懸浮液。將該混合物在環境溫度下攪拌10分鐘,隨後添加4-溴丁炔(6.45ml,68.74mmol)。將反應加熱至回流及攪拌18小時。冷卻該混合物及在減壓下濃縮。將殘餘物分配在水(200ml)與乙酸乙酯(150ml)之間。分離相,藉由乙酸乙酯(100ml)萃取水性層。依序藉由水(200ml)隨後鹽水(150ml)清洗合併之有機相,藉由MgSO4乾燥,過濾及在減壓下濃縮,產生標題化合物(17.2g,98%產率)。1H NMR(300.11MHz,CDCl3):δ 3.43-3.31(m,4H),2.53-2.48(m,2H),2.37-2.29(m,4H),2.20(s,2H),1.94(t,J=2.6Hz,1H),1.44(s,17H)。
製備例18
4-[(E)-4-(4,4,5,5-四甲基-1,3,2-二氧雜硼戊環-2-基)丁-3-烯基]-4,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯之合成法
反應流程3,步驟B:將三乙胺(5.62毫莫耳,0.783ml)、4,4,5,5-四甲基-1,3,2-二氧雜硼戊環(8.56ml,59.0mmol)及氯化鋯
(1.45g,5.62毫莫耳)添加至4-丁-3-炔基-4,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯(17.21g,56.16毫莫耳)中。將所獲得之混合物加熱至65℃維持3.5小時。冷卻混合物及將其溶於二氯甲烷(150ml)中。使所獲得之溶液通過~4cm厚之矽膠填料,利用二氯甲烷(2×200ml)溶離。在減壓下濃縮濾液,產生標題化合物(21.2g,87%產率)。1H NMR(300.11MHz,CDCl3):δ 6.65-6.55(m,1H),5.49-5.43(m,1H),3.42-3.29(m,4H),2.40-2.27(m,6H),2.25-2.08(m,2H),1.70-1.13(m,29H)。
製備例19
2-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯之合成法
反應流程3,步驟C:取含4-(4-溴-2-甲基苄基)-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷(20g,31.3mmol)、4-[(E)-4-(4,4,5,5-四甲基-1,3,2-二氧雜硼戊環-2-基)丁-3-烯基]-4,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯(16.3g,37.5mmol)及碳酸鉀(12.97g,93.82mmol)之四氫呋喃(200ml)及水(40ml)溶液利用氮氣鼓泡除氣15分鐘。添加Pd(OAc)2(140mg,625μmol)及2-環己基膦-2’,4’,6’-三異丙基-1,1’-聯苯(0.596g,1.25mmol)及將反應加熱至回流維持16小時。將溶液冷卻至環境溫度及添加甲醇(200
ml)。30分鐘後,在減壓下移除溶劑。將混合物分配在乙酸乙酯(500ml)與鹽水(500ml)之間,同時添加MgSO4水溶液(1M,500ml)以促進相分離。分離兩層及藉由MgSO4乾燥有機層,及過濾通過10cm矽膠填料,利用乙酸乙酯(~1.5L)溶離。丟棄濾液及藉由5% MeOH之THF(2L)溶液沖洗矽膠填料。在減壓下濃縮含甲醇濾液,產生標題化合物(20.1g,92%)。MS(m/z):699(M+1)。
實例1之第二替代合成法
4-{4-[(1E)-4-(2,9-二氮雜螺[5.5]十一烷-2-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基β-D-哌喃葡糖苷之第二替代合成法
反應流程3,步驟D:將三氟乙酸(32.2ml;0.426mol)添加至於冰水中冷卻之2-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,9-二氮雜螺[5.5]十一烷-9-甲酸第三丁酯(14.87g;21.28mmol)之二氯甲烷(149ml)溶液中。使溶液升溫至室溫。30分鐘後,將混合物緩慢添加至氨之MeOH溶液(2M;300ml)中,同時依需要冷卻,以維持恒定溫度。將溶液在室溫下攪拌15分鐘。在減壓下濃縮混合物及利用SCX-2樹脂純化殘餘物。在減壓下濃縮鹼性濾液,及在乙酸乙酯中研磨/超音波處理殘餘物,過濾及乾燥。將所獲得之固體溶於MeOH(200ml)中及在真空中濃縮。重複此流程數次,產生標題化合物(12.22g,產率96%)。MS(m/z):599(M+1)。
[α]D 20=-12°(C=0.2,MeOH)
製備例20
甲烷磺酸(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-
β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基酯之合成法
反應流程4,步驟A:在0℃下將甲烷磺醯氯(0.54ml,7mmol)添加至4-{4-[(1E)-4-羥基丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷(3.7g,5.87mmol)之二氯甲烷(15ml)及三乙胺(4ml,29mmol)溶液。在室溫下回流30分鐘後,在減壓下濃縮移除溶劑。藉由急驟層析純化殘餘物,得到標題化合物(2.9g,4.1mmol)。
MS(m/z):708.5(M+1),706.5(M-1)。
製備例21
2-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,6-二氮雜螺[3.5]壬烷-6-甲酸第三丁酯之合成法
反應流程4,步驟B:將二異丙基乙胺(0.2ml,1.1mmol)添加
至甲烷磺酸(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基酯(200mg,0.28mmol)及2,6-二氮雜螺[3.5]壬烷-6-甲酸第三丁酯(77mg,0.34mmol)之乙腈(3ml)溶液中。混合物在80℃下加熱過夜。在減壓下濃縮及藉由急驟層析純化殘餘物,得到標題化合物(127mg,0.15mmol)。MS(m/z):838.8,839.6(M+1),836.8,837.6(M-1)。
製備例22
2-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,7-二氮雜螺[3.5]壬烷-7-甲酸第三丁酯之合成法
基本上藉由製備例21之方法製備標題化合物。MS(m/z):838.8,839.6(M+1),836.8,837.6(M-1)。
製備例23
7-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,7-二氮雜螺[3.5]壬烷-2-甲酸第三丁酯之合成法
基本上藉由製備例21之方法製備標題化合物。MS(m/z):838.8,839.6(M+1),836.8,837.6(M-1)。
製備例24
1-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-1,8-二氮雜螺[4.5]癸烷-8-甲酸第三丁酯之合成法
基本上藉由製備例21之方法製備標題化合物。MS(m/z):852.8,853.6(M+1),850.8,852.8(M-1)。
製備例25
8-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷基)氧基]-1H-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,8-二氮雜螺[4.5]癸烷-2-甲酸第三丁酯之合成法
基本上藉由製備例21之方法製備標題化合物。MS(m/z):852.8,853.6(M+1),850.8,851.6(M-1)。
實例4
4-{4-[(1E)-4-(2,6-二氮雜螺[3.5]壬-2-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基β-D-哌喃葡糖苷之合成法
反應流程4,步驟C:將4.0M HCl/1,4-二氧雜環己烷(1.5ml,1.5mmol)添加至2-{(3E)-4-[3-甲基-4-({5-(丙-2-基)-3-[(2,3,4,6-四-O-乙醯基-β-D-哌喃葡糖苷基)氧基]-1h-吡唑-4-基}甲基)苯基]丁-3-烯-1-基}-2,6-二氮雜螺[3.5]壬烷-6-甲酸第三丁酯之二氯甲烷(2ml)溶液中,在rt下攪拌4.0小時。在減壓下濃縮混合物形成泡沫狀固體。藉由2.0M氨之MeOH溶液(2ml)處理該固體一夜。在室溫下經過18小時後,在減壓下濃縮移除溶劑。藉由製備型HPLC方法純化所獲得之殘餘物:高pH,19% B持續3分鐘,19至34 B%持續5分鐘,在85ml/分鐘下,使用30×75mm,5μm C18XBridge ODB管柱,溶劑A-H2O(含NH4HCO3),pH 10,溶劑B-MeCN,得到固體之標題化合物(47
mg,0.08mmol)。MS(m/z):570.8,571.8(M+1),568.7,569.8(M-1)。
實例5
4-{4-[(1E)-4-(2,7-二氮雜螺[3.5]壬-2-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基β-D-哌喃葡糖苷之合成法
基本上藉由實例4之方法製備標題化合物。MS(m/z):570.8,571.8(M+1),568.7,569.8(M-1)。
實例6
4-{4-[(1E)-4-(2,7-二氮雜[3.5]壬-7-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基β-D-哌喃葡糖苷三氟乙酸鹽(1:2)之合成法
基本上藉由實例4之方法製備標題化合物,其中最終化合物係藉由低pH製備型HPLC方法純化(低pH,16%B持續3分鐘,16至33 B%持續5分鐘,85ml/分鐘,使用30×75mm,5μm C18XBridge ODB管柱,溶劑A-H2O(含0.1% TFA),溶劑B-MeCN(含0.1% TFA))。
MS(m/z):570.8,571.8(M+1),568.7,569.8(M-1)。
實例7
4-{4-[(1E)-4-(1,8-二氮雜螺[4.5]癸-1-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基β-D-哌喃葡糖苷之合成法
基本上藉由實例4之方法製備標題化合物。MS(m/z):584.7,585.8(M+1),582.8,583.8(M-1)。
實例8
4-{4-[(1E)-4-(2,8-二氮雜螺[4.5]癸-8-基)丁-1-烯-1-基]-2-甲基苄基}-5-(丙-2-基)-1H-吡唑-3-基β-D-哌喃葡糖苷之合成法
基本上藉由實例4之方法製備標題化合物。MS(m/z):584.7,585.8(M+1),582.8,583.8(M-1)。
鈉依賴性葡萄糖轉運體1(SGLT1)及SGLT2檢測法
分別自Openbiosystems、Invitrogen及Openbiosystems購置編碼人SGLT1(slc5a1,NM_000343)、人SGLT2(slc5a2,NM_003041)及
小鼠SGLT1(slc5a1,NM_019810.4)之cDNA。將該cDNA選殖至pcDNA3.1+中進行哺乳動物表現,及利用標準哺乳動物轉染程序將其穩定轉染至中國倉鼠卵巢(CHO)-K1細胞中。基於對新黴素(Geneticin,Invitrogen)之抗性及在14C-α-甲基-D-哌喃葡糖苷(14C-AMG)吸收檢測法(參見下文)中之活性,在各過度表現細胞株中選擇表現SGLT之亞純系。利用標準細胞培養技術維持穩定表現SGLT之細胞。
如下所述測量以上細胞株之鈉依賴性14C-AMG吸收性作為SGLT活性。將100μL含有30,000個細胞之培養介質接種至96-孔BioCoat聚-D-離胺酸板(Becton Dickson)之各孔及在37℃下培養過夜。吸出該培養介質及藉由200μL反應緩衝液(140mM NaCl、2mM KCl、1mM CaCl2、MgCl2及14mM N-2-氫乙基哌嗪-N’-2-乙烷磺酸(Hepes),pH 7.5)清洗細胞兩次。在紙巾上吸出過量緩衝液。將35μL反應緩衝液添加至各孔。將5μL 10%二甲亞碸(DMSO)之反應緩衝液(含有不同濃度測試化合物或不含化合物作為對照組)溶液分配至各孔中。透過添加10μL 14C-AMG之反應緩衝液至最終濃度達到4μM來啟動反應。將板在37℃下培養125分鐘。透過吸出反應緩衝液終止反應,及隨後藉由200μL冰冷反應緩衝液清洗三次。手動吸出以確保反應緩衝液完全移除。將10μL 0.1N NaOH添加至各孔及隨後添加100μL Supermix閃爍混合液(PerkinElmer)。混合後,在MicroBeta(PerkinElmer)上計算板中之閃爍訊號。利用ActivityBase(ID Business Solution)將十個劑量點-反應曲線擬合至經驗四參數式模型,以決定達一半最大抑制性時之抑制劑濃度(IC50)。本文實例1至8之化合物基本上係如上所述測試且針對SGLT1展現之IC50值低於約500nM。
更具體言之,表1中之數據證實實例1之化合物在活體外抑制人及小鼠SGLT1,且其在活體外時對人及小鼠SGLT1之效力高於對人SGLT2之效力。
在口服葡萄糖耐受測試(OGTT)中之葡萄糖下降效果
將含有1%羥乙基纖維、0.25% Tween®80(含消泡劑0.05%)之媒劑添加至預稱重測試化合物中,將測試化合物調配成1mg/ml溶液。混合物經過探針超音波處理約30秒。使用所得溶液作為原液,由該原液使用媒劑稀釋,製備較低濃度劑量溶液。
在測試日的前一晚移走食物,使單獨飼養在籠內之C57B1/6小鼠空腹過夜。在第二天早上,稱重該小鼠,及藉由剪尾獲取一次空腹血液樣品,藉由血糖儀(Roche AccuChek)測量葡萄糖。依據空腹血糖來決定研究組(n=5),且較佳包含葡萄糖在80至100mg/dl範圍內之動物。
分組後,利用胃管經口投與第一隻小鼠10ml/kg測試化合物製劑,並啟動計時器。每隔一分半鐘對下一隻動物投藥。在開始第一劑化合物處理後之三個小時內,抽取基線血液樣品用於測量葡萄糖(來自第一隻動物,經剪尾獲得)。隨後立即對該動物經口投與3g/kg劑量之50%右旋糖(Hospira)。準確地每隔一分半鐘經尾靜脈獲取葡萄糖之血液樣品,因此可在投與右旋糖後之第20、40、60及120分鐘時收集到各動物之血液。
如上表2所示,血糖正常之C57B1/6小鼠在經口接受單劑50%右旋糖(Hospira®)投與後,實例1之化合物使葡萄糖波動出現劑量依賴性下降結果。實例1亦在OGTT期間,在經過基線調整之葡萄糖曲線下面積(AUC)中證實具有劑量依賴性下降結果。此外,在OGTT期間,依賴實例1劑量可降低血糖之平均最大濃度(Cmax),同時延長葡萄糖達到最大濃度時所需之時間(Tmax)。
對罹患鏈尿黴素(Streptozotocin)所誘發糖尿病之雄性大鼠進行混合餐食耐受測試時之葡萄糖值
使接受投與鏈尿黴素(STZ)之大鼠發展出糖尿病。據信調控此等動物的葡萄糖濃度之作用劑可用於治療人類糖尿病。
將含有1%羥乙基纖維素(HEC)、0.25% Tween® 80(含消泡劑
0.05%)之媒劑添加至預稱重測試化合物中,將該測試化合物調配成2.5mg/ml溶液。該混合物使用探針超音波處理約30秒。將所得溶液用作原液,由該原液使用媒劑稀釋,製備較低濃度劑量溶液。調配STZ,45mg/kg,使其溶於0.1M檸檬酸鹽緩衝液之3ml分液中,且當不投與時保存在暗室中之冰上。使用包含脂肪卡路里(60%)、碳水化合物卡路里(26%)及蛋白質卡路里(15%)之高脂肪含量混合餐食(Bio-Serv® Rodent Diet F3282 High Fat)。讓單獨飼養在籠內之Sprague Dawley大鼠適應3至7天。
確保該等動物在最近未經餵食,然後在下午距離照明偱環(在上午6時開燈,在下午6時熄燈)前約六個小時時投與STZ。利用異氟烷麻醉動物及經尾靜脈注射遞送STZ。一旦動物恢復意識,將其等轉回籠養及讓其恢復7天。
在餐食耐受測試(MTT)前之兩天,對所有大鼠給與少量(2至4g)F3282膳食,使其等在實驗前適應接受該膳食。在實驗前的夜晚將大鼠轉移至潔淨的籠中並移走食物。在第二天早上稱重該等動物及藉由剪尾獲取血液樣品,用於測量葡萄糖(Abbott AlphaTrak血糖儀:編碼29)。依據空腹體重及葡萄糖濃度將動物分組n=6。在經口投與測試化合物後三十分鐘,收集兩次葡萄糖測量數據。隨後給與5克Bio-Serv®膳食3282丸粒。在20分鐘後,移走剩餘食物並稱重。在20、40、60及120分鐘時抽取血液樣品,用於測定葡萄糖。
如上表3中所示,實例1之化合物使MTT中之葡萄糖相較於媒劑對照組呈劑量依賴性顯著下降。阿卡波糖在任何時間點皆不會使葡萄糖相較於對照組顯著下降。此外,與實例1處理有關之經過基線調整之葡萄糖AUC呈劑量依賴性下降。阿卡波糖使葡萄糖AUC顯著下降至類似於在10mg/kg之實例1之值。表3證實實例1之化合物調控雄性大鼠中之葡萄糖濃度。
Claims (12)
- 一種如下式之化合物或其醫藥可接受鹽:
其中X表示以下基團: - 如請求項1之化合物或其醫藥可接受鹽,其為
或其醫藥可接受鹽。 - 如請求項2之化合物或其醫藥可接受鹽,其為
- 如請求項1至3中任一項之化合物或其醫藥可接受鹽,其用於療法。
- 如請求項1至3中任一項之化合物或其醫藥可接受鹽,其用於治療糖尿病。
- 如請求項1至3中任一項之化合物或其醫藥可接受鹽,其用於治療1型糖尿病。
- 如請求項1至3中任一項之化合物或其醫藥可接受鹽,其用於治療2型糖尿病。
- 一種如請求項1至3中任一項之化合物或其醫藥可接受鹽之用途,其用於製造治療糖尿病用之藥劑。
- 一種如請求項1至3中任一項之化合物或其醫藥可接受鹽之用途,其用於製造治療1型糖尿病用之藥劑。
- 一種如請求項1至3中任一項之化合物或其醫藥可接受鹽之用途,其用於製造治療2型糖尿病用之藥劑。
- 一種醫藥組合物,其包括如請求項1至3中任一項之化合物或其醫藥可接受鹽,及一或多種醫藥可接受載劑、稀釋劑或賦形劑。
- 如請求項11之醫藥組合物,其進一步包含一或多種其他治療劑。
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