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Whole cells in enantioselective reduction of benzyl acetoacetate
Ribeiro, Joyce Benzaquem; Ramos, Aline de Souza; Lopes, Raquel de Oliveira; Silva, Gabriela Veloso Vieira da; Souza, Rodrigo Octavio Mendonça Alves de.
  • Ribeiro, Joyce Benzaquem; Universidade Federal do Rio de Janeiro. Instituto de Química. Rio de Janeiro. BR
  • Ramos, Aline de Souza; Universidade Federal do Rio de Janeiro. Instituto de Química. Rio de Janeiro. BR
  • Lopes, Raquel de Oliveira; Universidade Federal do Rio de Janeiro. Instituto de Química. Rio de Janeiro. BR
  • Silva, Gabriela Veloso Vieira da; Universidade Federal do Rio de Janeiro. Instituto de Química. Rio de Janeiro. BR
  • Souza, Rodrigo Octavio Mendonça Alves de; Universidade Federal do Rio de Janeiro. Instituto de Química. Rio de Janeiro. BR
Braz. j. microbiol ; 45(3): 929-932, July-Sept. 2014. ilus, tab
Article in English | LILACS | ID: lil-727022
ABSTRACT
The β-ketoester benzyl acetoacetate was enantioselectively reduced to benzyl (S)-3-hydroxybutanoate by seven microorganism species. The best result using free cells was obtained with the yeast Hansenula sp., which furnished 97% ee and 85% of conversion within 24 h. After immobilization in calcium alginate spheres, K.marxianus showed to be more stable after 2 cycles of reaction.
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Full text: Available Index: LILACS (Americas) Main subject: Pichia / Benzyl Compounds / Kluyveromyces / Acetoacetates Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Rio de Janeiro/BR

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Full text: Available Index: LILACS (Americas) Main subject: Pichia / Benzyl Compounds / Kluyveromyces / Acetoacetates Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Rio de Janeiro/BR