Abstract
New coumarin heteroanalogs were synthesized by condensation of 2-amino-4-aryl-3-cyano-5-oxo-4H,5H-pyrano-[3,2-c]chromenes and 1,3-cyclohexanedione in 35–78% yield.
Received: 2011-8-26
Accepted: 2011-11-23
Published Online: 2011-12-01
Published in Print: 2011-12-01
©2011 by Walter de Gruyter Berlin Boston
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