((R)-3-Oxo-1,4-dioxa-spiro[4.5]dec-2-yl)-triphenyl-phosphonium; bromide 在
三乙烯二胺 作用下,
以
甲苯 为溶剂,
生成 3-[1-{(R)-5-[(R)-(tert-Butyl-dimethyl-silanyloxy)-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-methyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-meth-(E)-ylidene]-1,4-dioxa-spiro[4.5]decan-2-one