184046-78-4

基本信息
(2S,3S)-3-羥基-1,2-吡咯烷二羧酸 1-叔丁酯 2-甲基酯
1-叔-丁基 2-甲基 (2S,3S)-3-羥基吡咯烷-1,2-二甲酸基酯
(2S,3S)-1-(tert-Butoxycarbonyl)-3-Hydroxypyrrolidine-2-carboxyli
1-tert-butyl 2-methyl (2S,3S)-3-hydroxypyrrolidine-1,2-dicarboxylate
(2s,3s)-3-hydroxy-1,2-pyrrolidinedicarboxylic acid 1-tert-butyl 2-methyl
(2S,3S)-3-Hydroxy-1,2-pyrrolidinedicarboxylic acid 1-tert-butyl 2-methyl ester
(2S,3S)-1-(tert-Butoxycarbonyl)-3-hydroxypyrrolidine-2-carboxylic acid methyl ester
(2S,3S)-N-(tert-Butyloxycarbonyl)-3-hydroxy-2-pyrrolidinecarboxylic acid methyl ester
1,2-Pyrrolidinedicarboxylic acid, 3-hydroxy-, 1-(1,1-dimethylethyl) 2-methyl ester, (2S,3S)-
物理化學(xué)性質(zhì)
制備方法

187039-57-2

74-88-4

184046-78-4
一般步驟:將含有N-Boc-(2S,3S)-3-羥基-2-羧基吡咯烷(37.16 g,71 mmol)的DMF(100 mL)溶液冷卻至0℃。向該溶液中加入K2CO3(16 g,116 mmol),隨后緩慢滴加碘甲烷(5.4 mL,87 mmol)。將反應(yīng)混合物在1小時(shí)內(nèi)逐漸升溫至室溫,觀察到溶液變?yōu)辄S色的非均相混合物。接著,將混合物在90℃下加熱1小時(shí),之后冷卻至室溫。反應(yīng)完成后,用飽和鹽水稀釋反應(yīng)液,用乙醚進(jìn)行萃取。合并有機(jī)相,用無水Na2SO4干燥,過濾后減壓濃縮,得到目標(biāo)產(chǎn)物(2S,3S)-1-(叔丁氧基羰基)-3-羥基-吡咯烷-2-甲酸甲酯(14.8 g,收率87%),為黃色油狀物。
參考文獻(xiàn):
[1] Patent: US2008/20986, 2008, A1. Location in patent: Page/Page column 16
[2] Patent: WO2009/94287, 2009, A1. Location in patent: Page/Page column 31
[3] Patent: WO2010/138496, 2010, A1. Location in patent: Page/Page column 38-39
[4] Patent: WO2011/68926, 2011, A1. Location in patent: Page/Page column 39-40
[5] Patent: WO2010/33531, 2010, A1. Location in patent: Page/Page column 66