7-O-(三氟乙酰基)浆果赤霉素III 在
环丁砜 、 4 A molecular sieve 作用下,
反应 4.0h,
以3.6%的产率得到(3R,4S,4aR,5S,6S,8S,11R,12aR)-5-(benzoyloxy)-3,6,8-trihydroxy-4-(hydroxymethyl)-9,12a,13,13-tetramethyl-12-oxo-3,4,4a,5,6,7,8,11,12,12a-decahydro-6,10-methanobenzo[10]annulene-4,11-diyl diacetate