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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|
Sandhu, Jagir S
|Keywords:||Nitrones;Meldrum’s acid;5-arylidene-2,2-dimethyl-1,3-dioxane-4,6-diones;Coumarin-3-carboxylic acids|
|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.|
|Appears in Collections:||IJC-B Vol.52B(08) [August 2013]|
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