Studies on the Synthesis of Phosphorus Heterocyles II. Preparation of Some New Tetrahydro-[1,4,3]thiazaphosphorino[3,4-b][1,3,2]benzodiazaphosphorine 12-Oxides

Ruyu Chen; Rong Bao

doi:10.1055/s-1990-26812

Synthesis 1990; 1990(2): 137-139
DOI: 10.1055/s-1990-26812

paper

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Studies on the Synthesis of Phosphorus Heterocyles II. Preparation of Some New Tetrahydro-[1,4,3]thiazaphosphorino[3,4-b][1,3,2]benzodiazaphosphorine 12-Oxides

Ruyu Chen^* , Rong Bao

^*The Institute of Elementoorganic Chemistry, Nankai University, Tianjin, People's Republic of China

Abstract

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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.

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