2,3:5,6-di-O-isopropylidene-N-phenyl-D-mannosyl amine 、
ethyl diethoxymethylphosphinate 在
potassium tert-butylate 作用下,
以
四氢呋喃 为溶剂,
反应 15.0h,
生成 4-(2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-2-oxo-2-diethoxymethyl-tetrahydro-6λ*5*-[1,3]dioxolo[4,5-d][1,2]oxaphosphinan-3-aminophenyl 、 4-(2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-2-oxo-2-diethoxymethyl-tetrahydro-6λ*5*-[1,3]dioxolo[4,5-d][1,2]oxaphosphinan-3-aminophenyl