Acetic acid (R)-6-methoxy-1,4a-dimethyl-2-oxo-2,3,4,4a,9,10-hexahydro-phenanthren-3-yl ester 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
反应 1.0h,
生成
2β-hydroxy-12-methoxy-19-norpodocarp-4,8,11,13-tetraen-3-one 、
2α-hydroxy-12-methoxy-19-norpodocarp-4,8,11,13-tetraen-3-one