An Enantioselective Hydrogenation of an Alkenoic Acid as a Key Step in the Synthesis of AZD2716
作者:Staffan Karlsson、Henrik Sörensen、Sören M. Andersen、Angele Cruz、Per Ryberg
DOI:10.1021/acs.oprd.5b00382
日期:2016.2.19
A classical resolution of a racemic carboxylic acid through salt formation and an asymmetric hydrogenation of an α,β-unsaturated carboxylic acid were investigated in parallel to prepare an enantiomerically pure alkanoic acid used as a key intermediate in the synthesis of an antiplaque candidate drug. After an extensive screening of rhodium- and ruthenium-based catalysts, we developed a rhodium-catalyzed