Tetrahedron

Iminophosphorane-mediated annelation of a pyridine ring into a preformed pyridine one: synthesis of naphthyridine, pyrido [1, 2-c] pyrimidine and pyrido [1, 2-c] …

P Molina, A Lorenzo, E Aller

Index: Tetrahedron, , vol. 48, # 22 p. 4601 - 4616

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Citation Number: 56

Abstract

... Tetrahedron. Volume 48, Issue 22, 1992, Pages 4601–4616. ... Iminophosphoranes 10 and 22 undergo pyrido annelation by reaction with isocyanates, carbon dioxide, carbon disulfide and acyl chlorides to give pyrido[1,2-c]pyrimidine 11–14 and pyrido[1,2-c]quinazoline ...

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