2-((3E,7E)-5-Hydroxy-7-methyl-trideca-3,7-dien-11-ynyl)-1,3-dimethyl-cyclopent-2-enol 、
乙酸酐 在
吡啶 、
氢氧化钾 作用下,
生成
Acetic acid (4S,5R,7S,8R,9R,10R,14S)-4,5,14,17-tetramethyl-3-oxo-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthren-7-yl ester 、 Acetic acid (3aS,3bR,4S,5aS,8aR,8bR)-6-acetyl-1,3a,5a-trimethyl-2,3,3a,3b,4,5,5a,6,7,8,8a,8b,9,10-tetradecahydro-dicyclopenta[a,f]naphthalen-4-yl ester 、 Acetic acid (3aS,3bR,4S,5aR,8aR,8bR)-6-acetyl-1,3a,5a-trimethyl-2,3,3a,3b,4,5,5a,6,7,8,8a,8b,9,10-tetradecahydro-dicyclopenta[a,f]naphthalen-4-yl ester