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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 37, 2007 - Issue 4
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Original Articles

Synthesis of New 1,3‐bis(Heteroaryl)‐4,5‐imidazolidinediones Through Reaction of N,N′‐bis(Heteroaryl)methanediamines with Oxalyl Chloride

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Pages 637-644 | Received 16 Mar 2006, Published online: 06 Mar 2007
 

Abstract

Reaction of N,N′‐bis(2‐pyridinyl, 3‐pyridinyl, 4‐pyridinyl, 2‐thiazolyl, 4‐nitrophenyl, and 2‐benzothiazolyl)methanediamines 1af with oxalyl chloride in dry dichloroethane in the presence of pyridine affords the corresponding 1,3‐bis (heteroaryl)‐4,5‐imidazolidinediones 3af in good to excellent yields. The essential role of pyridine in the reaction mixture is described, and reaction details as well as product characterization is discussed.

Acknowledgment

The authors thank the Research Council of the University of Tehran for financial support.

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