Author(s): M.S Lambaa , J.K Makrandib and Suresh Kumar
Journal: Heterocyclic Letters
ISSN 2231-3087
Volume: 3;
Issue: 2;
Start page: 177;
Date: 2013;
Original page
Keywords: 3-Carboxycoumarins | ethylcoumarin-3-carboxylate | phase transfer catalysis | salicylaldehyde | diethylmalonate
ABSTRACT
The condensation of suitably substituted salicylaldehydes with diethylmalonate in biphase medium using phase transfer catalyst results in to the formation of ethylcoumarin-3-carboxylates. Ethylcoumarin-3-carboxylates so formed on hydrolysis gives coumarin-3-carboxylic acid in high yield.
Journal: Heterocyclic Letters
ISSN 2231-3087
Volume: 3;
Issue: 2;
Start page: 177;
Date: 2013;
Original page
Keywords: 3-Carboxycoumarins | ethylcoumarin-3-carboxylate | phase transfer catalysis | salicylaldehyde | diethylmalonate
ABSTRACT
The condensation of suitably substituted salicylaldehydes with diethylmalonate in biphase medium using phase transfer catalyst results in to the formation of ethylcoumarin-3-carboxylates. Ethylcoumarin-3-carboxylates so formed on hydrolysis gives coumarin-3-carboxylic acid in high yield.
