(9Z,11E)-(4R,6R,8S,13R)-13,17,19-Trihydroxy-4-methyl-3-oxa-tricyclo[13.4.0.06,8]nonadeca-1(15),9,11,16,18-pentaen-2-one 在
磺酰氯 作用下,
以
二氯甲烷 为溶剂,
以15%的产率得到(9Z,11E)-(4R,6R,8S,13R)-16-Chloro-13,17,19-trihydroxy-4-methyl-3-oxa-tricyclo[13.4.0.0
6,8]nonadeca-1(15),9,11,16,18-pentaen-2-one