Molecular rearrangements. XXVIII. Thermolysis and photolysis of some hydroxamic acid derivatives.

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概要

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• Thermolysis and photolysis of benzohydroxamic acid and some of its derivatives have been investigated. Thermolysis of benzohydroxamic acid (BHA) either by heating in air or in a sealed tube gives NH<SUB>3</SUB>, H<SUB>2</SUB>O, CO, benzil, aniline, <I>o</I>- and <I>p</I>-aminophenols, phenoxazine, benzanilide, and benzoic acid. Whereas, thermolysis of <I>N</I>-(benzyloxy)benzamide (BBA) affords toluene, benzaldehyde, bibenzyl, stilbene, phenanthrene, acridine, and <I>o</I>- and <I>p</I>-aminodiphenylmethane in addition to the previous products. Analogous products were also obtained on pyrolysis of phenylacetohydroxamic acid. Photolysis of BHA and BBA in acetonitrile gives similar results to those of pyrolysis. A free-radical mechanism involving homolysis at different sites was postulated to account for the formation of such products.

• 公益社団法人 日本化学会の論文

著者

• Fahmy A.

  Chemistry Department, Faculty of Science, Assiut University

• Badr M.

  Chemistry Department, Faculty of Science, Assiut University

• Mahgoub S.

  Chemistry Department, Faculty of Science, Assiut University

• Aly M.

  Chemistry Department, Faculty of Science, Assiut University

関連論文

• Molecular rearrangements. XXIX. Thermolysis of aromatic ketoximes.
• Condensation and cyclization reactions of 2-hydrazinobenzimidazole, -benzoxazole, and -benzothiazole.
• Molecular rearrangements. XXVIII. Thermolysis and photolysis of some hydroxamic acid derivatives.

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