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C-Nitroso compounds. Part XXXIV. Reaction of α-chloronitroso compounds with methyl and phenyl Grignard reagents. A convenient synthesis of α,α-dialkyl-N-methyl and -N-phenyl nitrones

✍ Scribed by C. Schenk; M. L. Beekes; J. A. M. van der Drift; Th. J. de Boer

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
336 KB
Volume
99
Category
Article
ISSN
0165-0513

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✦ Synopsis

Abstract

The α‐chloronitroso compounds 1a–1f were made to react with methyl and phenyl Grignard reagents. N‐methyl and N‐phenyl substituted ketonitrones 2 and 3 were obtained in 48‐78% yield. The structure of these labile nitrones is based on their spectroscopic properties and on the formation of characteristic 1,3‐cycloadducts with phenylisocyanate.

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