Phosphorus, Sulfur, and Silicon

A Facile One Pot Synthesis of 2-Aryl-4-[2H-2-oxo-[1] benzopyran-3-yl] 2, 3-dihydro and 2, 5-Dihydro-1, 5-benzothiazepines

VR Rao, MMM Reddy

Index: Rajeswar Rao; Madan Mohan Reddy Phosphorus, Sulfur and Silicon and the Related Elements, 2006 , vol. 181, # 2 p. 461 - 471

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Citation Number: 6

Abstract

3-acetyl coumarins on condensation with various aromatic aldehydes in the presence of piperidine gave corresponding chalcones in a solid state under solvent free conditions. These chalcones are isolated and characterized. The in-situ-formed chalcones (1) are also