(Z)-3-Methylsulfanyl-acrylic acid (4aR,5S,7R,8aS,9R)-9-hydroxy-3,4a,5-trimethyl-4,4a,5,6,7,8,8a,9-octahydro-naphtho[2,3-b]furan-7-yl ester 在
盐酸 作用下,
以
乙醇 为溶剂,
生成 (8S)-2-{[(Z)-3-(methylsulfanyl)prop-2-enoyl]oxy}eremophil-7(11)-en-12,8-olide 、 (Z)-3-Methylsulfanyl-acrylic acid (4aR,5S,7R,8aR,9aR)-3,4a,5-trimethyl-2-oxo-2,4,4a,5,6,7,8,8a,9,9a-decahydro-naphtho[2,3-b]furan-7-yl ester