The Condensation of Rhodanine or N-Phenylrhodanine with Aromatic Aldehyde Under Microwave,Solid Base as a Supporter

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (11): 1647.

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The Condensation of Rhodanine or N-Phenylrhodanine with Aromatic Aldehyde Under Microwave,Solid Base as a Supporter

ZHANG Ming¹, WANG Cun-De¹, YU Shi-Long¹, TIAN Zhao-Bin¹, ZHANG Lin¹, CHEN Zhong-Jun², LI Ji-Guo²

1. Yangzhou institute of Technology., Yangzhou, 225001;
2. Nanjing University

Received:1993-12-03 Revised:1994-05-12 Online:1994-11-24 Published:1994-11-24

Abstract

Abstract: The condensation reaction of rhodanine or N-phenylrhodanine with aromatic aldehyde was catalyzed by microwave irradiation and with solid base as a supporter. The effects of basic supporter, microwave power and time on the reaction were investigated. Compared with conventional method without solvent or microwave. this method has better the advantage in yields, shorter reaction time and milder reaction conditions. Using 450 Wmicrowave and K₂CO₃/Al₂O₃ as basic supporter makes the condensation reaction speed above 10² time faster.Fourteen rhodanine derivatives are obtained.

Key words: Microwave irradiation, Rhodanine, Condensation, Aromatic aldehyde

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ZHANG Ming, WANG Cun-De, YU Shi-Long, TIAN Zhao-Bin, ZHANG Lin, CHEN Zhong-Jun, LI Ji-Guo. The Condensation of Rhodanine or N-Phenylrhodanine with Aromatic Aldehyde Under Microwave,Solid Base as a Supporter[J]. Chem. J. Chinese Universities, 1994, 15(11): 1647.

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The Condensation of Rhodanine or N-Phenylrhodanine with Aromatic Aldehyde Under Microwave,Solid Base as a Supporter

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