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gem-Dibromomethylarenes: a convenient substitute for noncommercial aldehydes in the knoevenagel-doebner reaction for the synthesis of alpha,beta-unsaturated carboxylic acids
Authors:Augustine John Kallikat  Naik Yanjerappa Arthoba  Mandal Ashis Baran  Chowdappa Nagaraja  Praveen Vinuthan B
Institution:Syngene International Ltd., Biocon Park, Plot Nos. 2 and 3, Bommasandra IV Phase, Jigani Link Road, Bangalore-560 100, India. john.kallikat@syngeneintl.com
Abstract:A facile synthesis of alpha,beta-unsaturated carboxylic acids from gem-dibromomethylarenes is described. gem-Dibromomethylarenes are employed for the first time in the Knoevenagel-Doebner reaction as aldehyde equivalents for the efficient synthesis of alpha,beta-unsaturated carboxylic acids.
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