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| SHORTPAPER | Synthesis 2004: 496-498
DOI: 10.1055/s-2004-815941 |
© Georg Thieme Verlag Stuttgart · New York
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Er(OTf)3 as a Mild Cleaving Agents for Acetals and Ketals
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| Renato Dalpozzoa, Antonio De Ninoa, Loredana Maiuoloa, Monica Nardia, Antonio Procopio*b, Antonio Tagarellia |
a Dipartimento di Chimica Università della Calabria, Ponte Bucci, 87030, Arcavacata di Rende (CS), Italy
b Dipartimento Farmaco-Biologico, Università degli Studi della Magna Graecia, Complesso Ninì Barbieri, Roccelletta di Borgia (CZ), Italy.
Fax: +39(984)492055.; e-Mail: procopio@unicz.it.;
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Received
17 December 2003 |
Abstract
Er(OTf)3 is proposed as a very gentle Lewis acid catalyst in a chemoselective method for the cleavage of alkyl and cyclic acetals and ketals at room temperature in wet nitromethane is presented. Key words
erbium(III) triflate - Lewis acid catalyst - acetals - ketals
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