Journal
TETRAHEDRON LETTERS
Volume 53, Issue 9, Pages 1025-1028Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.12.038
Keywords
Homogeneous asymmetric hydrogenation; Rhodium catalysts; BoPhoz ligands; Enantioselective hydrogenation of alkenes
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The asymmetric hydrogenation of a pyridyl benzothiophene alkene has been successfully accomplished using [BoPhoz Rh] catalysts. By tailoring the steric properties of the BoPhoz ligand, the ee of the product could be increased from just 12% to 90%. This research further expands the substrate scope of the conventional class of functionalized alkenes amenable to catalytic asymmetric hydrogenation. (C) 2011 Elsevier Ltd. All rights reserved.
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