(3aR,6aR,8R,9S,9aR,9bR)-3-Chloro-9-methyl-6-methylene-2-oxo-8-(tetrahydro-pyran-2-yloxy)-dodecahydro-azuleno[4,5-b]furan-3-carboxylic acid methyl ester 在
溶剂黄146 、
锌 作用下,
生成 (3R,3aS,6aR,8R,9S,9aR,9bS)-8-Hydroxy-9-methyl-6-methylene-2-oxo-dodecahydro-azuleno[4,5-b]furan-3-carboxylic acid methyl ester 、 (3S,3aS,6aR,8R,9S,9aR,9bS)-8-Hydroxy-9-methyl-6-methylene-2-oxo-dodecahydro-azuleno[4,5-b]furan-3-carboxylic acid methyl ester