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 CO2 (∼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.
CITATION STYLE
Plasch, K., Hofer, G., Keller, W., Hay, S., Heyes, D. J., Dennig, A., … Faber, K. (2018). Pressurized CO2 as a carboxylating agent for the biocatalytic: Ortho -carboxylation of resorcinol. Green Chemistry, 20(8), 1754–1759. https://doi.org/10.1039/c8gc00008e
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