G. Joly, E. Jacobsen
Mar 13, 2004
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Journal
Journal of the American Chemical Society
Abstract
Chiral thiourea 1b catalyzes the highly enantioselective hydrophosphonylation of a wide range of N-benzyl imines. The hydrophosphonylation products are readily deprotected by hydrogenolysis, providing access to free alpha-amino phosphonic acids in highly enantioenriched form.