对甲苯磺酰氯 、
(25R)-24(28)-dehydroaplysterol 在
吡啶 作用下,
生成 Toluene-4-sulfonic acid (3S,8S,9S,10R,13R,14S,17R)-17-((1R,5R)-1,5-dimethyl-4-methylene-heptyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester