Elsevier

Tetrahedron

Volume 23, Issue 8, 1967, Pages 3505-3509
Tetrahedron

Preparation of oxazine derivatives and 2,4-diarylpyrroles from methyl aryl ketoximes

https://doi.org/10.1016/S0040-4020(01)92311-7Get rights and content

Abstract

Some methyl aryl ketoximes have been shown to condense in the presence of EtMgBr to give 3,5-diaryloxazine derivatives. These in turn rearrange in conc hydriodic acid, with the formation of 2,4-diarylpyrroles in reasonable yields. Possible mechanisms for these reactions are discussed.

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Present address, Chemistry Department, La Trobe University, Melbourse, Australia.

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