Issue 12, 2010
From the journal:

Green Chemistry

Alternative intermediates for glycerol valorization: iridium-catalyzed formation of acetals and ketals†

Corrado Crotti,*ab   Erica Farnettibc  and  Nicol Guidolinc  

* Corresponding authors

a CNR – Istituto Struttura della Materia, Unità staccata di Trieste, S.S.14, Km163.5, Basovizza, Trieste, Italy
E-mail: crotti@ism.cnr.it
Fax: +39-040-226870
Tel: +39-040-9221091

b INCA research unit Trieste, Italy

c Dipartimento di Scienze Chimiche, Università di Trieste, Via Giorgieri 1, Trieste, Italy

Abstract

The organoiridium derivatives [Cp*IrCl2]2 (Cp* = pentamethylcyclopentadienyl) and [Cp*Ir(Bu2-NHC)Cl2], (Bu2-NHC = 1,3-di-n-butylimidazolylidene) catalyzed glycerol acetalization with several ketones and aldehydes, as well as transacetalization. All the catalytic reactions produced the five-membered cyclic ketals, i.e. the 1,3-dioxolanes, as main products, with selectivities of 94–100% for ketals, and up to 83% for acetals.

Graphical abstract: Alternative intermediates for glycerol valorization: iridium-catalyzed formation of acetals and ketals

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Article information

DOI
https://doi.org/10.1039/C0GC00096E
Article type
Paper
Submitted
11 May 2010
Accepted
15 Oct 2010
First published
01 Nov 2010

Green Chem., 2010,12, 2225-2231

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Alternative intermediates for glycerol valorization: iridium-catalyzed formation of acetals and ketals

C. Crotti, E. Farnetti and N. Guidolin, Green Chem., 2010, 12, 2225 DOI: 10.1039/C0GC00096E

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