期刊
CHEMICAL COMMUNICATIONS
卷 59, 期 82, 页码 12274-12277出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3cc02837b
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Engineering of Arabidopsis thaliana hydroxynitrile lyase (AtHNL) has led to the discovery of variants with significantly improved catalytic efficiency in the asymmetric Henry reaction. These variants have shown excellent enantioselectivity and higher conversion in the synthesis of different (R)-beta-nitroalcohols.
Arabidopsis thaliana hydroxynitrile lyase (AtHNL) engineering has uncovered variants that showed up to 12-fold improved catalytic efficiency than the wild-type towards asymmetric Henry reaction. The AtHNL variants have displayed excellent enantioselectivity, up to >99%, and higher conversion in the synthesis of 13 different (R)-beta-nitroalcohols from their corresponding aldehydes. Using cell lysates of Y14M/F179W, we demonstrated a preparative scale synthesis of (R)-1-(4-methoxyphenyl)-2-nitroethanol, a tembamide chiral intermediate, in >99% ee and 52% yield.
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