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Title: Synthesis of 5-arylidene-2,2-dimethyl-1,3-dioxane-4,6-diones and coumarin-3-carbo­xylic acids via reaction of nitrones and Meldrum’s acid
Authors: Kumar, Dhruva
Sandhu, Jagir S
Keywords: Nitrones;Meldrum’s acid;5-arylidene-2,2-dimethyl-1,3-dioxane-4,6-diones;Coumarin-3-carboxylic acids
Issue Date: Aug-2013
Publisher: NISCAIR-CSIR, India
Abstract: A variety of nitrones have been synthesized and reacted with Meldrum’s acid without the aid of any catalysts. Selectively, 5-arylidene-2,2-dimethyl-1,3-dioxane-4,6-diones have been obtained with excellent yields under environmentally benign reaction conditions. Whereas, nitrone of salisylaldehydes with Meldrum’s acid afford cyclized products i.e. coumarin-3-carboxylic acids.
Page(s): 1157-1160
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.52B(08) [August 2013]

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