甲氧基-三氟甲基苯 、
(5aS,8S,9aS,9bR)-8-Hydroxy-6,6,9a-trimethyl-5,5a,6,7,8,9,9a,9b-octahydro-1H-naphtho[1,2-c]furan-3-one 在
吡啶 作用下,
生成 (R)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid (5aS,8S,9aS,9bR)-6,6,9a-trimethyl-3-oxo-1,3,5,5a,6,7,8,9,9a,9b-decahydro-naphtho[1,2-c]furan-8-yl ester