Preparation of aryl hydrazonates and 1,2-diacylhydrazines by phase transfer catalysis.

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概要

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• A series of aryl hydrazonates has been prepared in excellent yield (>90%) by phase-transfercatalysis technique from the corresponding phenol and hydrazonoyl bromides in dichloromethane in the presence of tetrabutylammonium iodide. 1,2-Diacyl derivatives of arylhydrazines were also prepared by the same technique using carboxylic acids in place of phenols.

• 公益社団法人 日本化学会の論文

著者

• Shawali Ahmad

  Department of Chemistry, Faculty of Science, University of Cairo

• Hassaneen Hamdi

  Department of Chemistry, Faculty of Science, University of Cairo

• Pagni Richard

  Department of Chemistry, The University of Tennessee

• Sherif Mourad

  Department of Chemistry, Faculty of Science, University of Cairo

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• Preparation of aryl hydrazonates and 1,2-diacylhydrazines by phase transfer catalysis.
• Kinetics and mechanism of thermal isomerisation of aryl alkanehydrazonates into N',N'-diarylhydrazides. Extension of a recent free radical analogue of the chapman rearrangement.

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