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Site selectivity in the reaction of 2-formyl-2H-azirine-N-arylimines with diphenylketene

✍ Scribed by José Nunes Júnior; Albert Kascheres

Publisher
Journal of Heterocyclic Chemistry
Year
1997
Tongue
English
Weight
156 KB
Volume
34
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

2‐Formyl‐2__H__‐azirine‐N‐arylimines 1a‐c react with diphenylketene 2 to afford 2__H__‐2‐azirinyl‐2‐azetidi‐nones 3a‐c and N‐aryldiphenylacetamides 4a‐c by reaction at the exo‐imine group. Derivatives containing the bulkier methyl group at the 2‐position, 1d‐f, produce only 4a‐c.

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