二异丙胺 、
正丁基锂 、
3-{(trans-4-methyl-cyclohexanecarbonyl)-[trans-4-(tetrahydro-pyran-2-yloxy)-cyclohexyl]-amino}-thiophene-2-carboxylic acid methyl ester 、
2-环己烯-1-酮 、
氯化铵 在
乙酸乙酯 、 Brine 、
magnesium sulfate 、 silica gel 作用下,
以
四氢呋喃 为溶剂,
反应 1.33h,
以Pure 5-(1-hydroxy-cyclohex-2-enyl)-3-{(trans-4-methyl-cyclohexanecarbonyl)-[trans-4-(tetrahydro-pyran-2-yloxy)-cyclohexyl]-amino}-thiophene-2-carboxylic acid methyl ester was obtained after chromatography over silica gel (hexane:EtOAc-80:20 as eluent) (48 mg, 48%)的产率得到5-(1-hydroxy-cyclohex-2-enyl)-3-{(trans-4-methyl-cyclohexanecarbonyl)-[trans-4-(tetrahydro-pyran-2-yloxy)-cyclohexyl]-amino}-thiophene-2-carboxylic acid methyl ester