Synlett 2002(3): 0513-0515
DOI: 10.1055/s-2002-20482
LETTER
© Georg Thieme Verlag Stuttgart · New York

An Improved Synthesis of Pyrazolines from Aryl Azides and Acrylic Esters [1]

J. S. Yadav*, B. V. Subba Reddy, V. Geetha
Indian Institute of Chemical Technology, Hyderabad-500 007, India
Fax: +91(40)7170512; e-Mail: yadav@iict.ap.nic.in;
Further Information

Publication History

Received 4 January 2002
Publication Date:
05 February 2007 (online)

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Abstract

Substituted pyrazoline derivatives are synthesized in high yields through the cycloaddition reactions of azides with acrylates under Baylis-Hillman reaction conditions. Improved yields and enhanced rates are obtained using DABCO as the base.

1

IICT Communication No. 4826.