2,5-二甲基-3(2H)呋喃酮 、
Acetic acid 5-benzyloxymethyl-cyclopent-1-enyl ester 以
正己烷 为溶剂,
生成 Acetic acid (3bR,6S,6aR)-6-benzyloxymethyl-2,2-dimethyl-3-oxo-octahydro-1-oxa-cyclobutadicyclopenten-6a-yl ester 、 Acetic acid (3bR,6R,6aR)-6-benzyloxymethyl-2,2-dimethyl-3-oxo-octahydro-1-oxa-cyclobutadicyclopenten-6a-yl ester