乙酸乙烯酯 、
7-(tert-butyl-diphenyl-silanyloxymethyl)-7-hydroxymethyl-6,7-dihydro-[1,3]dioxolo[4,5-g]chromen-8-one 在
CAL-B immobilized on acrylic resin 作用下,
以
异丙醚 为溶剂,
生成
7-(tert-butyl-diphenyl-silanyloxymethyl)-7-hydroxymethyl-6,7-dihydro-[1,3]dioxolo[4,5-g]chromen-8-one 、 7-(tert-butyl-diphenyl-silanyloxymethyl)-7-hydroxymethyl-6,7-dihydro-[1,3]dioxolo[4,5-g]chromen-8-one 、
acetic acid (S)-7-(tert-butyl-diphenyl-silanyloxymethyl)-8-oxo-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromen-7-ylmethyl ester