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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 38, 2008 - Issue 4
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Original Articles

(NH4)3PW12O40 as an Efficient and Reusable Catalyst for the Synthesis and Deprotection of 1,1‐Diacetates

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Pages 595-602 | Received 13 Aug 2007, Published online: 27 Feb 2008
 

Abstract

An efficient method for the synthesis of 1,1‐diacetates (acylals) from different aldehydes in the presence of (NH4)3PW12O40 and acetic anhydride under solvent‐free conditions at ambient temperature is achieved. Selective conversion of aldehydes was observed in the presence of ketones. The deprotection of acylals has also been achieved using (NH4)3PW12O40 in methanol. The catalyst was found to possess good activity and considerable level of reusability.

Acknowledgment

The authors are thankful to RSIC, Indian Institute of Technology Mumbai, for providing the 1H NMR facility.

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