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Catalyzed Reformatsky Reactions with Ethyl Bromofluoroacetate for the Synthesis of α-Fluoro-β-hydroxy Acids

Acceso Cerrado

Abstract:

The presence of catalytic amounts of CeCl(3) improves yields and simplifies procedure in the Reformatsky reactions of ethyl bromofluoroacetate with aldehydes and ketones to generate diastereomeric mixtures of alpha-fluoro-beta-hydroxy esters, some of which can be separated by crystallization or column flash chromatography. Diastereomerically pure alpha-fluoro-beta-hydroxy acids are obtained by mild alkaline hydrolysis of the resolved alpha-fluoro-beta-hydroxy esters. Detailed NMR data of new alpha-fluoro-beta-hydroxy esters and alpha-fluoro-beta-hydroxy acids are also presented.

Tópico:

Analytical Chemistry and Chromatography

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Citations: 39
39

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Información de la Fuente:

SCImago Journal & Country Rank
FuenteThe Journal of Organic Chemistry
Cuartil año de publicaciónNo disponible
Volumen67
Issue1
Páginas72 - 78
pISSNNo disponible
ISSN0022-3263

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