Acetic acid (1S,3R,4aR,5S,7S,8R,8aS)-4a-chloro-8-formyl-3,7-dimethyl-5-(toluene-4-sulfonyloxy)-decahydro-naphthalen-1-yl ester 在
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
乙腈 为溶剂,
以41%的产率得到Acetic acid (1R,3R,7R)-8-formyl-3,7-dimethyl-1,2,3,4,6,7-hexahydro-naphthalen-1-yl ester