Synlett 2005(19): 2996-2998  
DOI: 10.1055/s-2005-921892
LETTER
© Georg Thieme Verlag Stuttgart · New York

Deprotection of o-Nitrobenzensulfonyl (Nosyl) Derivatives of Amines ­Mediated by a Solid-Supported Thiol

Francesca Cardulloa, Daniele Donatia, Giancarlo Merloa, Alfredo Paioa, Margherita Salarisb, Maurizio Taddei*c
a GlaxoSmithKline, Med. Res. Centre, Via A. Fleming 4, 37135 Verona, Italy
b Dipartimento di Chimica, Università degli Studi di Sassari, Via Vienna 2, 07100 Sassari, Italy
c Dipartimento Farmaco Chimico Tecnologico, Università degli Studi di Siena, Via A. Moro, 53100 Siena, Italy
Fax: +39(0577)234275; e-Mail: taddei.m@unisi.it;
Further Information

Publication History

Received 23 August 2005
Publication Date:
27 October 2005 (online)

Abstract

A new protocol based on a solid-supported thiol was ­developed for high yielding deprotection of o-nitrobenzensulfonyl amides derived from primary and secondary amines. The reaction can be carried out at room temperature for 24 hours or accelerated by microwave irradiation, going to completion in six minutes.

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