右旋樟脑-10-磺酰氯 、
正丁醛 、
((R)-(1S,2R,4R)-2-Hydroxy-7,7-dimethyl-bicyclo[2.2.1]hept-1-ylmethanesulfinyl)-acetic acid ethyl ester 在
哌啶 、
吡啶 作用下,
生成 (E)-(R)-4-((1S,4R)-7,7-Dimethyl-2-oxo-bicyclo[2.2.1]hept-1-ylmethanesulfonyloxy)-hex-2-enoic acid ethyl ester 、 (E)-(S)-4-((1S,4R)-7,7-Dimethyl-2-oxo-bicyclo[2.2.1]hept-1-ylmethanesulfonyloxy)-hex-2-enoic acid ethyl ester