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.
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