Catalytic transformation of functionalised carboxylic acids using multifunctional rhenium complexes

Title	Catalytic transformation of functionalised carboxylic acids using multifunctional rhenium complexes
Authors	Masayuki Naruto, Santosh Agrawal, Katsuaki Toda, Susumu Saito
Magazine	Scientific Reports
Date	06/13/2017
DOI	10.1038/s41598-017-03436-y
Introduction	Carboxylic acids (CAs) are a prevalent and crucial chemical feedstock derived from biorenewable resources, CO2, and the petrochemical industry. However, the chemoselective catalytic transformations of CHnCO2H (n = 1–3) groups into other functionalities pose a significant challenge. This study presents rhenium V complexes as highly effective precatalysts for this purpose. Unlike previously reported catalysts from high- or low-valent metals, this method involves α-C–H bond functionalisation, hydrogenation, and hydrogenolysis, resulting in functionalised alcohols with broad substrate scope and high chemoselectivity under mild conditions. These findings mark a key advancement towards shifting from 'low-valent' to 'high-valent' metal complexes, exploring new selective functional group transformations of highly oxygenated organic substrates, and utilising CAs as valuable biorenewable feedstock.
Quote	Masayuki Naruto, Santosh Agrawal and Katsuaki Toda et al. Catalytic transformation of functionalised carboxylic acids using multifunctional rhenium complexes. Sci Rep. 2017. Vol. 7. DOI: 10.1038/s41598-017-03436-y
Materials	Chemical Compounds
Industry	Chemical Manufacturing

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