1994 年 58 巻 9 号 p. 1666-1670
The scope and limitation of a bottom-fermentation yeast (Saccharomyces cerevisiae IFO 0565) toward the reduction of 3-oxoalkanoic esters were examined. The substrate specificity of this microorganism for various kinds of 3-oxoalkanoic esters was studied. This microorganism was distinct from converntional bakers' yeast in terms of its selectivity in the reduction and its high expression of a hydrolytic enzyme. 3-Oxoalkanoic ester with an aromatic substituent, a halogen substituted 3-oxoalkanoic ester, an aliphatic longer-chain 3-oxoalkanoic ester and its α, α-difluoro analog were also accepted by this microorganism. The products are useful intermediates in the synthesis of physiologically active compounds.
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