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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 36, 2006 - Issue 20
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Original Articles

Efficient Room‐Temperature Synthesis of Tri‐ and Tetrasubstituted Imidazoles Catalyzed by ZrCl4

G. V. M. Sharma D‐211, Discovery Laboratory, Organic Chemistry Division III, Indian Institute of Chemical Technology, Hyderabad, IndiaCorrespondence[email protected] [email protected]
,
Y. Jyothi D‐211, Discovery Laboratory, Organic Chemistry Division III, Indian Institute of Chemical Technology, Hyderabad, India
&
P. Sree Lakshmi D‐211, Discovery Laboratory, Organic Chemistry Division III, Indian Institute of Chemical Technology, Hyderabad, India
Pages 2991-3000 | Received 23 Mar 2006, Published online: 16 Feb 2007
 
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Abstract

A general protocol has been developed for the rapid synthesis of 2,4,5‐trisubstituted and 1,2,4,5‐tetrasubstituted imidazoles in high yields using ZrCl4 as an efficient catalyst at room temperature. A variety of aromatic, aliphatic, and terpenoidal aldehydes underwent condensation with NH4OAc/amines to give the imidazoles. Similarly, the imidazole glycoconjugates are prepared in good yields from the corresponding glycosyl aldehydes.

IICT Communication No. 051119.

Acknowledgments

Y. J. and P. S. L. acknowledge the Council of Scientific and Industrial Research (CSIR), New Delhi, India, for financial support.

Notes

IICT Communication No. 051119.

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