Title: Intramolecular cyclization of dialkyl[2-(5-chloro-2-hydroxyphenyl)-2-phenylethenyl]phosphine oxides by the action of thionyl chloride.
Authors: Tatarinov, D.; Kuznetsov, D.; Mironov, V.
Abstract: An efficient procedure has been proposed for the synthesis of quasiphosphonium salts, 2,2-dialkyl-6-chloro-4-phenyl-2 H-1,2-benzoxaphosphinin-2-onium chlorides, via cyclization of dialkyl[2-(5-chloro-2-hydroxyphenyl)-2-phenylethenyl]phosphine oxides under the action of thionyl chloride.
Subjects: THIONYL chloride; CHLORIDES; SULFUR compounds; SULFINYL compounds; PHOSPHORUS compounds; CHLORINE compounds
Publication: Russian Journal of Organic Chemistry, 2014, Vol 50, Issue 4, p544
ISSN: 1070-4280
Publication type: Academic Journal
DOI: 10.1134/S1070428014040174

Intramolecular cyclization of dialkyl[2-(5-chloro-2-hydroxyphenyl)-2-phenylethenyl]phosphine oxides by the action of thionyl chloride.

Tatarinov, D.; Kuznetsov, D.; Mironov, V.