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Direct Conversion of Propylene Oxide to 3-Hydroxy Butyric Acid Using a Cobalt Carbonyl Ionic Liquid Catalyst

Department of Applied Chemistry, Kookmin University, 861-1 Jeongneung-dong, Seongbuk-gu, Seoul 136-702, Korea
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Catalysts 2017, 7(8), 228; https://doi.org/10.3390/catal7080228
Received: 15 June 2017 / Revised: 22 July 2017 / Accepted: 27 July 2017 / Published: 30 July 2017
(This article belongs to the Special Issue Organocatalysis in Ionic Liquids)
The reported catalytic system demonstrates the possibility of efficient mass production of 3-hydroxybutyric acid (3-HBA) from inexpensive raw materials. The direct coupling of propylene oxide, water, and CO was catalyzed by 1-butyl-3-methylimidazolium cobalt tetracarbonyl ([Bmim][Co(CO)4]) ionic liquid to form 3-HBA with >99% conversion (49% selectivity) under mild conditions. View Full-Text
Keywords: ionic liquid; β-hydroxy carboxylic acids; [Bmim][Co(CO)4]; carbonylation; water ionic liquid; β-hydroxy carboxylic acids; [Bmim][Co(CO)4]; carbonylation; water
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MDPI and ACS Style

Rajendiran, S.; Park, G.; Yoon, S. Direct Conversion of Propylene Oxide to 3-Hydroxy Butyric Acid Using a Cobalt Carbonyl Ionic Liquid Catalyst. Catalysts 2017, 7, 228.

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