Acetic acid (3aS,5R,7R,8S,8aR)-8-hydroxy-7-((1S,4R)-4-hydroxy-1,5-dimethyl-hex-5-enyl)-1-methyl-4-methylene-3,3a,4,5,6,7,8,8a-octahydro-azulen-5-yl ester 、
4-溴苯甲酰氯 在
吡啶 、
4-二甲氨基吡啶 作用下,
反应 12.0h,
以0.0045 g的产率得到Benzoic acid (1S,4S)-4-((3aR,4S,5R,7R,8aS)-7-acetoxy-4-hydroxy-3-methyl-8-methylene-1,3a,4,5,6,7,8,8a-octahydro-azulen-5-yl)-1-isopropenyl-pentyl ester