Pressurized CO(2) as a carboxylating agent for the biocatalytic ortho-carboxylation of resorcinol.

加压 CO(2) 作为羧化剂用于间苯二酚的生物催化邻位羧化

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The utilization of gaseous carbon dioxide instead of bicarbonate would greatly facilitate process development for enzyme catalyzed carboxylations on a large scale. As a proof-of-concept, 1,3-dihydroxybenzene (resorcinol) was carboxylated in the ortho-position using pressurized CO(2) (∼30-40 bar) catalyzed by ortho-benzoic acid decarboxylases with up to 68% conversion. Optimization studies revealed tight pH-control and enzyme stability as the most important determinants.

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