(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-17-((R)-4-Chloro-1-methyl-butyl)-3,7,12-trimethoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene 、
三甲胺 以
甲醇 为溶剂,
以84%的产率得到Trimethyl-[(R)-4-((3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-trimethoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-pentyl]-ammonium; chloride