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CAS 70681-41-3

(R)-2-Hydroxysuccinic acid dimethylester

登记编号:(II)115092-6-a

应用背景(按来源药适应症)

青光眼盐酸普索洛尔/盐酸毛果芸香碱闭角型青光眼盐酸毛果芸香碱高眼压盐酸毛果芸香碱开角型青光眼盐酸毛果芸香碱瞳孔缩小盐酸毛果芸香碱Sjtoegren综合征盐酸毛果芸香碱虹膜炎盐酸毛果芸香碱

来源药(使用该中间体的合成路线)

品种梯队到期年
盐酸普索洛尔/盐酸毛果芸香碱Proxodolol hydrochloride/Pilocarpine HydrochlorideTier C · 观察 / 贸易-
盐酸毛果芸香碱Pilocarpine HydrochlorideTier 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。

盐酸普索洛尔/盐酸毛果芸香碱优化路线步数:7总收率:/
(2R)-2-Hydroxysuccinic acid→(R)-2-Hydroxysuccinic acid dimethylester→1-Iodoethane→Diethyl (2S,3R)-2-methyl-3-hydroxysuccinate→Dimethyl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Dimethyl (3R)-2-bromo-3-ethylbutanedioate→1-Methyl-1H-imidazole-5-carbaldehyde→Methyl (3S,4S)-4-ethyl-2-(1-methyl-1H-imidazol-5-yl)-5-oxooxolane-3-carboxylate→(2S,3R)-2-Ethyl-4-methoxy-3-[(1-methyl-1H-imidazol-5-yl)methyl]-4-oxobutanoic acid
盐酸毛果芸香碱优化路线步数:7总收率:/
(2R)-2-Hydroxysuccinic acid→(R)-2-Hydroxysuccinic acid dimethylester→1-Iodoethane→Diethyl (2S,3R)-2-methyl-3-hydroxysuccinate→Dimethyl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Dimethyl (3R)-2-bromo-3-ethylbutanedioate→1-Methyl-1H-imidazole-5-carbaldehyde→Methyl (3S,4S)-4-ethyl-2-(1-methyl-1H-imidazol-5-yl)-5-oxooxolane-3-carboxylate→(2S,3R)-2-Ethyl-4-methoxy-3-[(1-methyl-1H-imidazol-5-yl)methyl]-4-oxobutanoic acid

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