Organic & biomolecular chemistry

A heterogeneous Pd–Bi/C catalyst in the synthesis of l-lyxose and l-ribose from naturally occurring d-sugars

A Fan, S Jaenicke, GK Chuah

Index: Fan, Ao; Jaenicke, Stephan; Chuah, Gaik-Khuan Organic and Biomolecular Chemistry, 2011 , vol. 9, # 22 p. 7720 - 7726

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Citation Number: 8

Abstract

A critical step in the synthesis of the rare sugars, L-lyxose and L-ribose, from the corresponding D-sugars is the oxidation to the lactone. Instead of conventional oxidizing agents like bromine or pyridinium dichromate, it was found that a heterogeneous catalyst, Pd– Bi/C, could be used for the direct oxidation with molecular oxygen. The composition of the catalyst was optimized and the best results were obtained with 5: 1 atomic ratio of Pd: Bi. ...

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