New heterocycles of 2, 3??diaryl??substituted maleic hydrazides
RJ Shih, DA Carson
Index: Shih, Hsiencheng; Shih, Renshuay J.; Carson, Dennis A. Journal of Heterocyclic Chemistry, 2011 , vol. 48, # 6 p. 1243 - 1250
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Citation Number: 5
Abstract
Abstract 2, 3-Diaryl-substituted maleic anhydrides were prepared by a modified one-pot synthesis of Perkin condensation using mixed sodium salts of arylglyoxylic acid and arylacetic acid with acetic anhydride in 1, 4-dioxane. The treatment of these anhydrides with ammonium bicarbonate, or methanolic hydrazine, offered the corresponding 2, 3-diaryl- substituted maleimides and maleic hydrazides (4, 5-diaryl-substituted 1, 2- ...
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