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Ultrasound Promoted Catalyst-free Procedure for the Synthesis of 1,4- dihydropyridines and Bi-phenyl Derivatives in Water

[ Vol. 3 , Issue. 4 ]

Author(s):

Rajib Sarkar and Chhanda Mukhopadhyay   Pages 351 - 359 ( 9 )

Abstract:


Background: A simple and efficient one-pot green synthesis of 1,4-dihydropyridine derivatives and biphenyl derivatives has been reported. The overall conversion was assisted by ultrasound irradiation at ambient temperature (25-30 °C) in aqueous medium.

Methods: All the products were synthesized in good toexcellent yields.

Conclusion: This study extends the applicability of the synthetic routes prompted by ultrasound irradiation under eco-friendly condition.

Keywords:

Ultrasound irradiation, 1, 4-dihydropyridine derivatives, bi-phenyl derivatives, aqueous reaction medium, catalystfree reaction condition, green approach.

Affiliation:

Department of Chemistry, University of Calcutta, 92 APC Road, Kolkata, Department of Chemistry, University of Calcutta, 92 APC Road, Kolkata, 700009

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