Addition of phosphoric (phosphonic) acids amides to chloromethyliso(thio)cyanatophosphonates (-phosphinates) gave rise to diphosphorylated ureas or thioureas that under effect of bases underwent cyclization into 1,3,4-oxaza(thiaza)phospholines.
将
磷酸(
膦酸)酰胺添加到
氯甲基异(
硫)
氰基膦酸盐(-
膦酸盐)中会产生二
磷酸化的
脲类或
硫脲类化合物,在碱的作用下环化成 1,3,4-氧氮杂(
硫杂)膦脂。