Journal
ACS CATALYSIS
Volume 8, Issue 2, Pages 785-789Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.7b03484
Keywords
hydrogenation; heterogeneous; carboxylic acid; alcohol; alkane
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The chemoselective hydrogenation of carboxylic acids to either alcohols or alkanes is reported, employing a heterogeneous bimetallic catalyst consisting of rhenium and palladium supported on graphite. alpha-Chiral carboxylic acids were hydrogenated without loss of optical purity. The catalyst displays a reverse order of reactivity upon hydrogenation of different carboxylic functions with esters being less reactive than amides and carboxylic acids. This allows for chemoselective hydrogenation of an acid in the presence of an ester or an amide function.
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