(2-氯乙基)-甲胺 、
盐酸 、
N-methyl-N-(2-chloroethyl)dichlorophosphoramidate 、 [2-(2,2-dimethyl-1,3-dioxolan-4-yl)ethyl]-N-methyl-N-(2-bromoethyl)phosphoramidoyl chloride 在
crude residue 、
乙酸乙酯 、 hexanes 作用下,
以to give 16b as an oil (2.72 g, 61%)的产率得到2-(2,2-dimethyl-1,3-dioxolan-4-yl)ethyl-N-methyl-N-(2-chloroethyl)phosphoramidoyl chloride