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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 32, 2002 - Issue 4
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Original Articles

A CONVENIENT METHOD FOR THE SYNTHESIS OF β-AMINO ACIDS VIA THE ARNDT-EISTERT APPROACH USING p-TOLUENESULPHONYL CHLORIDE AS A CARBOXYLIC GROUP ACTIVATING AGENT

Ganga-Ramu Vasanthakumar Department of Studies in Chemistry, Bangalore University, Central College Campus, Bangalore, 560 001, India
&
Vommina V. Suresh Babu Department of Studies in Chemistry, Bangalore University, Central College Campus, Bangalore, 560 001, India
Pages 651-657 | Received 04 Apr 2001, Published online: 16 Aug 2006
 
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ABSTRACT

A simple method for the synthesis of Z-/Boc-/Fmoc-protected β-amino acids by the Arndt-Eistert approach employing p-toluenesulphonyl chloride for the activation of the carboxyl group of N α-protected amino acid is described. The method is rapid and gave good yields with opitical purity.

ACKNOWLEDGMENTS

We are grateful to Prof. K. M. Sivanandaiah and B. S. Sheshadri for usefull discussions, to Department of Science and Technology, Government of India for financial support. GRVK thanks KSVN Trust for their kind help.

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