[(1R,17R)-3-acetyloxy-17-(2-methyl-1,3-dioxolan-2-yl)-5,12-dioxo-19-phenyl-18,20-dioxa-19-borapentacyclo[15.3.1.02,15.04,13.06,11]henicosa-2(15),3,6,8,10,13-hexaen-14-yl] acetate 生成
(1R,17R)-17-acetyl-3,14-dihydroxy-19-phenyl-18,20-dioxa-19-borapentacyclo[15.3.1.02,15.04,13.06,11]henicosa-2(15),3,6,8,10,13-hexaene-5,12-dione