(1S,2R)-2-Vinyl-cyclopropanecarboxylic acid (1R,2R,3S,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester 在
lithium aluminium tetrahydride 、 dipyridine chromium trioxide 作用下,
以
乙醚 为溶剂,
生成
(E)-3-[(1R,2R)-2-ethenylcyclopropyl]prop-2-enal