9-hydroxy-5-megastigmen-4-one 、
β-D-葡萄糖五乙酸酯 在
三氟甲磺酸三甲基硅酯 、 4 A molecular sieve 作用下,
生成
4-oxo-5-megastigmen-9-yl acetate 、 4'-oxo-5'-megastigmen-9'-yl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside 、 4'-oxo-5'-megastigmen-9'-yl 2,3,4,6-tetra-O-acetyl-α-D-glucopyranoside