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Type: Artigo de periódico
Title: Protection Studies Of Saccharomyces Cerevisiae Cells For The Use In Reduction Reactions In Organic Media [estudos De Proteção Da Célula De Saccharomyces Cerevisiae Para Utilização Em Reações De Redução Em Meio Orgânico]
Author: Da Graca Nascimento M.
Zanotto S.P.
Melegari S.P.
Moran P.J.S.
Abstract: New methodologies for protection of Saccharomyces cerevisiae (FP) cells when supported in montmorillonite K10 (K10), recovered or not with gelatin (G) and in the presence or absence of sucrose (S) are presented. These systems were used for the enantioselective reduction of ethyl acetoacetate and α-chloroacetophenone in hexane, under FP/K10/G/S and FP/S at 20°C during 24 hours, affording S-(+)-ethyl-3-hydroxybutanoate in 100% conversion and 99% ee, and R-(-)-2-chloro-1-phenylethanol 79% and 78% ee at 20 and 30°C, respectivelly.
Rights: aberto
Identifier DOI: 
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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