Synthesis of some monoacetals of 1,4-anhydro-d-mannitol
Autor: | Neil Baggett, J.M. Webber, M Mosihuzzaman |
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Rok vydání: | 1983 |
Předmět: | |
Zdroj: | Carbohydrate Research. 116:49-60 |
ISSN: | 0008-6215 |
DOI: | 10.1016/s0008-6215(00)90952-2 |
Popis: | The known 2,3- and 3,5-benzylidene acetals of 1,4-anhydro- d -mannitol have been shown to have the ( R ) and ( S ) configurations, respectively. The related 2,3-( S ), 3,5-( R ), 5,6-( R ), and 5,6-( S ) acetals have also been obtained and their configurations assigned by n.m.r. spectroscopy. The reaction of 1,4-anhydro- d -mannitol with acetone under kinetic-control conditions afforded the previously unknown 5,6-isopropylidene acetal. |
Databáze: | OpenAIRE |
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