← 返回专利悬崖列表
CAS 144164-32-9
methyl (S)-2-isocyanato-3,3-dimethylbutanoate
登记编号：GRAZ-025
应用背景（按来源药适应症）
丙型肝炎Grazoprevir HydrateHIV感染Grazoprevir Hydrate慢性丙型肝炎Grazoprevir Hydrate肾功能不全Grazoprevir Hydrate
来源药（使用该中间体的合成路线）
| 品种 | 梯队 | 到期年 |
|---|---|---|
| Grazoprevir HydrateGrazoprevir Hydrate | Tier C · 观察 / 贸易 | - |
合成路线中的位置（上下游链）
按路线登记顺序排列，左→右为合成方向；高亮为当前 CAS，其余可点击跳转对应档案。
4-methoxybenzene-1,2-diamine dihydrochloride→diethyl oxalate→6-methoxyquinoxaline-2,3-diol→3-chloro-7-methoxyquinoxalin-2-ol→(2S,4S)-1-tert-butyl 2-methyl 4-(((4-bromophenyl)sulfonyl)oxy)pyrrolidine-1,2-dicarboxylate→1-(tert-butyl) 2-methyl (2S,4R)-4-((3-chloro-7-methoxyquinoxalin-2-yl)oxy)pyrrolidine-1,2-dicarboxylate→methyl (2S,4R)-4-((3-chloro-7-methoxyquinoxalin-2-yl)oxy)pyrrolidine-2-carboxylate hydrochloride→(R)-3,3-dimethyl-2-((((1R,2R)-2-(pent-4-en-1-yl)cyclopropoxy)carbonyl)amino)butanoic acid→methyl (2S,4R)-4-((3-chloro-7-methoxyquinoxalin-2-yl)oxy)-1-((S)-3,3-dimethyl-2-((((1R,2R)-2-(pent-4-en-1-yl)cyclopropoxy)carbonyl)amino)butanoyl)pyrrolidine-2-carboxylate→potassium trifluoro(vinyl)borate→methyl (2S,4R)-1-((S)-3,3-dimethyl-2-((((1R,2R)-2-(pent-4-en-1-yl)cyclopropoxy)carbonyl)amino)butanoyl)-4-((7-methoxy-3-vinylquinoxalin-2-yl)oxy)pyrrolidine-2-carboxylate→GRAZ-012→methyl (33R,35S,91R,92R,5S,E)-5-(tert-butyl)-17-methoxy-4,7-dioxo-2,8-dioxa-6-aza-1(2,3)-quinoxalina-3(3,1)-pyrrolidina-9(1,2)-cyclopropanacyclotetradecaphan-13-ene-35-carboxylate→methyl (33R,35S,91R,92R,5S)-5-(tert-butyl)-17-methoxy-4,7-dioxo-2,8-dioxa-6-aza-1(2,3)-quinoxalina-3(3,1)-pyrrolidina-9(1,2)-cyclopropanacyclotetradecaphane-35-carboxylate→(33R,35S,91R,92R,5S)-5-(tert-butyl)-17-methoxy-4,7-dioxo-2,8-dioxa-6-aza-1(2,3)-quinoxalina-3(3,1)-pyrrolidina-9(1,2)-cyclopropanacyclotetradecaphane-35-carboxylic acid→(1R,2S)-1-amino-N-(cyclopropylsulfonyl)-2-vinylcyclopropanecarboxamide hydrochloride→(33R,35S,91R,92R,5S)-5-(tert-butyl)-N-((1R,2S)-1-((cyclopropylsulfonyl)carbamoyl)-2-vinylcyclopropyl)-17-methoxy-4,7-dioxo-2,8-dioxa-6-aza-1(2,3)-quinoxalina-3(3,1)-pyrrolidina-9(1,2)-cyclopropanacyclotetradecaphane-35-carboxamide→but-3-en-1-ylmagnesium bromide→acrylaldehyde→(E)-(hepta-1,6-dien-1-yloxy)trimethylsilane→trimethyl(2-(pent-4-en-1-yl)cyclopropoxy)silane→2-(pent-4-en-1-yl)cyclopropan-1-ol→(1R,2R)-2-(pent-4-en-1-yl)cyclopropyl acetate→(1R,2R)-2-(pent-4-en-1-yl)cyclopropan-1-ol→methyl (S)-2-isocyanato-3,3-dimethylbutanoate→methyl (S)-3,3-dimethyl-2-((((1R,2R)-2-(pent-4-en-1-yl)cyclopropoxy)carbonyl)amino)butanoate
本站可供应的对应中间体
目录暂未收录该靶点的在售中间体 —— 可直接发起询价，需求会进入撮合池。
本页为中间体 CAS 注册档案：同 CAS 的多条路线登记已合并；后续供应商报价与买方需求以该 CAS 为主键撮合。