5-cyclohex-1-enyl-3-[(cis-4-fluoro-cyclohexyl)-(trans-4-methyl-cyclohexanecarbonyl)-amino]-thiophene-2-carboxylic acid methyl ester 在
silica gel 作用下,
以
四氢呋喃 、
甲醇 、
水 、
氢氧化锂 为溶剂,
以Pure 5-cyclohex-1-enyl-3-[(cis-4-fluoro-cyclohexyl)-(trans-4-methyl-cyclohexanecarbonyl)-amino]-thiophene-2-carboxylic acid was obtained after chromatography over silica gel (5% MeOH in DCM as eluent) (5 mg, 51%)的产率得到5-cyclohex-1-enyl-3-[(cis-4-fluoro-cyclohexyl)-(trans-4-methyl-cyclohexanecarbonyl)-amino]-thiophene-2-carboxylic acid