(3aS,5S,6S,6aR,7aR,8aS,8bS,8cS)-5-Chloro-6-hydroxy-6,8a-dimethyl-3-methylene-decahydro-1,8-dioxa-cyclopenta[h]cyclopropa[a]azulen-2-one 在
氯化亚砜 作用下,
以
吡啶 为溶剂,
以85%的产率得到(3aS,5S,6aR,7aR,8aS,8bS,8cS)-5-Chloro-8a-methyl-3,6-dimethylene-decahydro-1,8-dioxa-cyclopenta[h]cyclopropa[a]azulen-2-one