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Oxidation of mandelic acid derivatives catalysed by Bi(0)/O2 systems: mechanistic considerations |
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| Authors: | Isabelle FavierElisabet Duñ ach |
| Affiliation: | a Laboratoire Arômes Synthèses et Interactions, Université de Nice-Sophia Antipolis, Parc Valrose, 06108 Nice Cedex 2, France b Laboratoire de Chimie Bioorganique, UMR CNRS 6001, Université de Nice-Sophia Antipolis, 06108 Nice Cedex 2, France |
| Abstract: | Mandelic acid and some aryl substituted derivatives were oxidised under molecular oxygen and a catalytic amount of Bi(0). The corresponding aldehydes and/or the carboxylic acids were obtained selectively depending on the nature of the substituent. Aldehydes and α-keto acids were oxidised under the same Bi(0)/O2 system and α-keto acids were proposed as intermediates in the formation of benzoic acid derivatives. |
| Keywords: | mandelic acid oxidation bismuth molecular oxygen substituent effects |
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