D. Thirumalai, P. Murugan, V. Ramakrishnan
May 16, 2006
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0
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Journal
ChemInform
Abstract
Methyl 2-methyl-4-aryl-5-oxo-1H,4H-5,6,7,8-tetrahydroquinoline-3-carboxylates 4a-d and methyl 2-methyl-4-aryl-5-oxo-1H-4,5,6,7-tetrahydrocyclopcnteno[b]pyridine-3-carboxylates 6a-e have been synthesized by the condensation of cyclic 1,3-diones with aromatic aldehydes and β-aminocrotonate using thermal and ultrasound irradiation methods.