Abstract
AbstractVarious alkyl‐aryl and heteroaromatic sulfides were catalyzed by P450 119 peroxygenase in the presence of TBHP. P450 119 mutants were used to improve the yield and enantioselectivity of the sulfoxidation. The P450 119 mutation at 153 was found to efficiently improve activity, specificity and enantioselectivity of the sulfoxidation of heteroaromatic sulfides up to 93 % yield and 57 % ee for the first time, meanwhile its thermal stability, kinetic parameters and molecular docking were studied. The experimental results provide a potential method for the biosynthesis of chiral sulfoxides, especially for asymmetric oxidation of heteroaromatic sulfides, by enduring evolution of thermal‐stable P450 119 peroxygenase.
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