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Highly enantioselective hydrogenation of enol acetates catalyzed by Ru-TunaPhos complexes
Shulin Wu1, Weimin Wang, Wenjun Tang
1Department of Chemistry, The Pennsylvania State University, 152 Davey Laboratory, University Park 16802, USA.
Organic Letters
|December 6, 2002
Abstract:
[reaction: see text] The chiral disphosphines with tunable dihedral angles (TunaPhos) have been used for asymmetric hydrogenation of enol acetates and dihedral-angle-dependent enantioselectivities were observed. C2-TunaPhos has been proved to be effective for Ru-catalyzed asymmetric hydrogenation of electron-deficient and other enol acetates.