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Mechanoenzymology in the Kinetic Resolution of β-Blockers: Propranolol as a Case Study by Gonzalo Gamboa-Velázquez; Eusebio Juaristi is a Chemistry article available to read on EtoBox.

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Recent advances in biotechnology, protein engineering, and enzymatic immobilization have made it possible to carry out biocatalytic transformations through alternative non-conventional activation strategies. In particular, mechanoenzymology (i.e., the use of the mechanical force produced by milling or grinding to activate a biotransformation) has become a new area in so-called “green chemistry”, reshaping key fundaments of biocatalysis and leading to the exploration of enzymatic transformations under more sustainable conditions. Significantly, numerous chiral active pharmaceutical ingredients have been synthesized via mechanoenzymatic methods, boosting the use of biocatalysis in the synthesis of chiral drugs. In this regard and aiming to widen the scope of the young field of mechanoenzymology, a dual kinetic resolution of propranolol precursors was explored. The biocatalytic methodology mediated by __Candida antarctica__ Lipase B (CALB) and activated by mechanical force allowed the isolation of both enantiomeric precursors of propranolol with high enantiomeric excess (up to 99% ee), complete conversion (__c__ = 50%), and excellent enantiodifferentiation (__E__ > 300). Moreover, the

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Author

Gonzalo Gamboa-Velázquez; Eusebio Juaristi

Publisher

American Chemical Society (ACS)

Published

2022

Language

EN

Field

Chemistry (Physical Sciences)