(1S,4aR,5S,8aR)-1,4a-Dimethyl-6-methylene-5-[2-(3,3,5-trioxo-10-oxa-3λ
6-thia-tricyclo[5.2.1.0
2,6]dec-8-en-9-yl)-ethyl]-decahydro-naphthalene-1-carboxylic acid 在
溶剂黄146 作用下,
以
甲苯 为溶剂,
反应 5.0h,
以75%的产率得到(1S,4aR,5S,8aR)-1,4a-dimethyl-6-methylidene-5-[2-[2-[(E)-3-oxobut-1-enyl]furan-3-yl]ethyl]-3,4,5,7,8,8a-hexahydro-2H-naphthalene-1-carboxylic acid