乙酸酐 、
4,9-Dimethyl-3,5-dioxo-Δ4(10)-octalin 在
吡啶 、
4-二甲氨基吡啶 作用下,
生成 Acetic acid (2S,4aR)-1,4a-dimethyl-8-oxo-2,3,4,4a,5,6,7,8-octahydro-naphthalen-2-yl ester 、 Acetic acid (2S,4aS)-1,4a-dimethyl-8-oxo-2,3,4,4a,5,6,7,8-octahydro-naphthalen-2-yl ester 、 Acetic acid (1S,4aR)-4a,8-dimethyl-7-oxo-1,2,3,4,4a,5,6,7-octahydro-naphthalen-1-yl ester 、
Acetic acid (1S,4aS)-4a,8-dimethyl-7-oxo-1,2,3,4,4a,5,6,7-octahydro-naphthalen-1-yl ester