(2aS,3R,5aR,6S,9bS)-9-Methyl-6-((S)-1-methyl-3-oxo-propyl)-3,5a,6,7,8,9b-hexahydro-2aH-benzo[cd]azulene-3-carboxylic acid ethyl ester 在
二异丙氧基二氯化钛 作用下,
以
二氯甲烷 为溶剂,
反应 0.17h,
生成 (2aS,3R,4S,4aR,5S,7S,7aS,10bS,10cR)-4-Chloro-5-hydroxy-7,10-dimethyl-2a,3,4,4a,5,6,7,7a,8,9,10b,10c-dodecahydro-naphtho[2,1,8-cde]azulene-3-carboxylic acid ethyl ester