The optically active complex [(-)-diop]Rh(mu(2)-H)(2)WCp2}PF6 was prepared and characterized. In four different models of enantioselective catalysis the complex gave the same enantioselectivity as the catalysts [Rh(cod)Cl](2)/(-)-diop and [Rh(cod)Cl](2)/(-)-diop/Cp2WH2. (C) 1999 Elsevier Science S.A. All rights reserved.
FRAUENRATH, H.;PHILIPPS, T., ANGEW. CHEM., 1986, 98, N 3, 261-262
作者:FRAUENRATH, H.、PHILIPPS, T.
DOI:——
日期:——
Asymmetric catalysis. Part 127:Enantioselective desymmetrization of 2-n-butyl-4,7-dihydro-1,3-dioxepin with (η6-arene)ruthenium(II) half-sandwich complexes
作者:Henri Brunner、Markus Prommesberger
DOI:10.1016/s0957-4166(98)00329-2
日期:1998.9
(eta(6)-Arene)ruthenium half-sandwich complexes are highly active and stereoselective catalysts in the enantioselective desymmetrization of 2-n-butyl-4,7-dihydro-1,3-dioxepin to give 2-n-butyl-4,5-dihydro-1,3-dioxepin. Enantioselectivities up to 61% ee were achieved. The temperature and solvent dependence of the catalysis as well as the activation of the catalyst were investigated. (C) 1998 Elsevier Science Ltd. All rights reserved.