(13aR)-12t,13c-Diacetoxy-11c-acetoxymethyl-(9aξ,13ar)-11,12,13,13a-tetrahydro-9aH-phenanthro[9,10-b]pyrano[2,3-e][1,4]dioxin 在
甲醇 、
氯仿 、
sodium methylate 作用下,
生成 (9aS,10S,11S,12S,13aR)-12-Hydroxymethyl-9a,11,12,13a-tetrahydro-10H-9,13,14-trioxa-benzo[b]triphenylene-10,11-diol