醋酸锰(3+) 、
Benzoic acid (1R,4R,4aS,4bS,8aS,9R,10aS)-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester 以
苯 为溶剂,
以63%的产率得到Benzoic acid (1R,4R,4aS,4bS,5R,8aS,9R,10aS)-5-acetoxy-9-(2-chloro-acetoxy)-4-methoxy-1,4a,7-trimethyl-6-oxo-1,3,4,4a,4b,5,6,9,10,10a-decahydro-2H-phenanthren-8a-ylmethyl ester