乙酸酐 、
(1S,2R,2aS,3S,3aR,6aS)-2a-Hydroxymethyl-5,5,7-trimethyl-2,2a,3,3a,4,5,6,6a-octahydro-1H-cyclobuta[f]indene-1,2,3-triol 在
吡啶 作用下,
反应 6.0h,
生成 Acetic acid (1R,2S,3aS,6aR,7S,7aS)-2,7-diacetoxy-7a-acetoxymethyl-3,5,5-trimethyl-2,3a,4,5,6,6a,7,7a-octahydro-1H-cyclobuta[f]inden-1-yl ester