(7S,16S,17S,18R,21R,13E,19E)-17-hydroxy-16,18-dimethyl-10-phenyl<11>cytochalasa-6(12),13,19-triene-7,18,21-triyl triacetate 在
甲基磺酰氯 、
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.2h,
以36%的产率得到(3R,3aS,4S,6S,6aR,7S,7aR,9S,10S,12aξ,13R,13aS)-3-benzyl-7-chloro-2,3,3a,4,5,6,7,7a,8,9,10,12a,13-tetradecahydro-4,9,11-trimethyl-5-methylidene-1H-cyclohepta<4,5>benz<1,2-d>isoindole-10,13-diyl diacetate