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Letters in Organic Chemistry

Editor-in-Chief

ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

Preparation of Anhydroalditols from Commodity Carbohydrates

Author(s): Changyou Yuan and Rawle I. Hollingsworth

Volume 10, Issue 2, 2013

Page: [77 - 84] Pages: 8

DOI: 10.2174/1570178611310020002

Price: $65

Abstract

A practical process for the preparation of anhydroalditols from commodity carbohydrates has been described. Reductive cleavage of the glycosidic linkage in perallylated carbohydrates with triethylsilane gave the protected anhydroalditols, which were then deallylated using a PdCl2-CuCl2-Activated Charcoal system. Valuable anhydroalditols, such as 1,5-anhydro-D-glucitol, 1,5-anhydro-D-mannitol, 2,5-anhydro-D-glucitol, 2,5-anhydro-D-mannitol and 1,4-anhydro-Dribitol, were prepared in high yields and purity from carbohydrates, such as glucose, mannose, ribose, sucrose, cellulose, starch and levan.

Keywords: Anhydroalditols, cellulose, starch, palladium chloride, silane reduction


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