Photochemical transformations of 1,2-diketones and benzhydrylamine.

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概要

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• Photolysis of a mixture of substituted 1,2-diketones and benzhydrylamine (in 1:2 mole ratio) in benzene gave <I>N</I>-benzhydrylidenebenzhydrylamine, <I>N</I>-(diarylmethyl)benzamides, acyloins (<B>3</B>), <I>N</I>-(arylmethylene)benzhydrylamines, and benzophenone separated by fractional crystallization and column chromatography. The products have been characterised by analytical and spectral (IR, UV, and NMR) data and the structural assignments confirmed by the comparison (IR spectra and undepressed mixed mp) with authentic samples. Acyloins (<B>3</B>) are precursors for <I>N</I>-(diarylmethyl)benzamides and <I>N</I>-(arylmethylene)benzhydrylamines. A tentative mechanistic route for the formation of products has been suggested.

• 公益社団法人 日本化学会の論文

著者

• Mehrotra Kailash

  Department of Chemistry, Banaras Hindu University

• Pandey Ganesh

  Department of Chemistry, Banaras Hindu University

関連論文

• Syntheses of N-substituted 3,3,4-triaryl- and 3,3,4,4-tetraphenyl-2-azetidinones.
• Novel and convenient synthesis of dioxaphospholes.
• Photochemical transformations of 1,2-diketones and benzhydrylamine.
• Reaction between azibenzil and diarylmethanimine.
• Cyclizations of dianions from 2-imino-1,2-diphenylethanone to oxazolines, oxazocines, and oxazonines.

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