Ruthenium-Catalysed Epimerisation of Carbohydrate Alcohols as a Method to Determine the Equilibria for Epimer Interconversion in Hexopyranosides

Autor:	Clinton Ramstadius, Annika Träff, Ian Cumpstey, Patrik Krumlinde, Jan-E. Bäckvall
Rok vydání:	2011
Předmět:	010405 organic chemistry Stereochemistry Thermodynamic equilibrium Organic Chemistry Hydrogen transfer chemistry.chemical_element Mannose Carbohydrate 010402 general chemistry 01 natural sciences 3. Good health 0104 chemical sciences Ruthenium Catalysis chemistry.chemical_compound chemistry Allose Organic chemistry Epimer Physical and Theoretical Chemistry
Zdroj:	European Journal of Organic Chemistry
ISSN:	1434-193X
DOI:	10.1002/ejoc.201100504
Popis:	Ruthenium-catalysed epimerisation of secondary carbohydrate alcohols was used to determine the thermodynamic equilibrium between non-anomeric epimers of partially protected glucose, mannose and allose derivatives. A cyclopentadienylruthenium catalyst was used to epimerise each of two pure epimeric alcohols in two separate experiments. The epimerisation reactions were run until the same ratio of epimers was obtained from the two experiments.
Databáze:	OpenAIRE
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