Kinetic Resolution of Nearly Symmetric 3-Cyclohexene-1-carboxylate Esters Using a Bacterial Carboxylesterase Identified by Genome Mining

Org Lett. 2021 Apr 16;23(8):3043-3047. doi: 10.1021/acs.orglett.1c00714. Epub 2021 Apr 2.

Abstract

A new bacterial carboxylesterase (CarEst3) was identified by genome mining and found to efficiently hydrolyze racemic methyl 3-cyclohexene-1-carboxylate (rac-CHCM) with a nearly symmetric structure for the synthesis of (S)-CHCM. CarEst3 displayed a high substrate tolerance and a stable catalytic performance. The enantioselective hydrolysis of 4.0 M (560 g·L-1) rac-CHCM was accomplished, yielding (S)-CHCM with a >99% ee, a substrate to catalyst ratio of 1400 g·g-1, and a space-time yield of 538 g·L-1·d-1.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bacteria / chemistry*
  • Carboxylesterase / chemistry*
  • Carboxylesterase / genetics
  • Carboxylesterase / metabolism
  • Catalysis
  • Cyclohexenes / chemistry*
  • Esters
  • Hydrolysis
  • Kinetics
  • Molecular Structure
  • Stereoisomerism

Substances

  • Cyclohexenes
  • Esters
  • Carboxylesterase