Acetic acid (3S,4aR,6aR,6bR,8aS,12S,12aR,12bR,14aS,14bR)-12-hydroxy-4,4,6a,8a,11,11,12b,14b-octamethyl-docosahydro-picen-3-yl ester 在
吡啶 、
三氯氧磷 作用下,
生成 Acetic acid (3S,4aR,6aR,6bR,8aS,12bR,14aS,14bR)-4,4,6a,8a,11,11,12b,14b-octamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12b,13,14,14a,14b-icosahydro-picen-3-yl ester