Preparation of acyclic and cyclic phosphoric triamides and diamido esters

Article abstract of DOI:10.1055/s-1996-4364

Using phosphoryl chloride as a substrate, a series of N-bis(2-chloroethyl)phosphoric triamides (and diamido esters) was prepared. These acyclic products were cyclized to the 1,3,2-diazaphospholidine derivatives, which, in turn, could be cyclized again to