Benzenesulfonylamino-bromo-acetic acid (1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyl ester 、
环戊二烯 在
三乙胺 作用下,
以
苯 为溶剂,
生成 (1S,3S,4R)-2-Benzenesulfonyl-2-aza-bicyclo[2.2.1]hept-5-ene-3-carboxylic acid (1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyl ester 、
(1R,3R,4S)-2-Benzenesulfonyl-2-aza-bicyclo[2.2.1]hept-5-ene-3-carboxylic acid (1S,2R,5S)-2-isopropyl-5-methyl-cyclohexyl ester