Studies on the Synthesis of Phosphorus Heterocycles II. Preparation of Some New Tetrahydrothiazaphosphorinobenzodiazaphosphorine 12-Oxides

Article abstract of DOI:10.1055/s-1990-26812

Reaction of 1,3,2-benzodiazaphosphorine derivatives 1 with benzyl isothiocyanate in the presence of base gave a tautomeric mixture of 2 and 3.The preparation of new heterocycles 6 and 7 obtained from the reaction of 1 with carbon disulfide in the presence of sodium hydride is described.