Synthesis of novel axially chiral Rh–NHC complexes derived from BINAM and application in the enantioselective hydrosilylation of methyl ketones
作者:Wei-Liang Duan、Min Shi、Guo-Bin Rong
DOI:10.1039/b309185f
日期:——
Novel axially chiral Rh N-heterocyclic carbene complexes were prepared from axially dissymmetric 1,1â²-binaphthalenyl-2,2â²-diamine and applied in the Rh-catalyzed enantioselective hydrosilylation of methyl ketones. The corresponding sec-alcohols can be obtained in high yields with good to excellent ee.
The Use of Chiral BINAM NHC-Rh(III) Complexes in Enantioselective Hydrosilylation of 3-Oxo-3-arylpropionic Acid Methyl or Ethyl Esters
作者:Qin Xu、Xingxing Gu、Sijia Liu、Qinyu Dou、Min Shi
DOI:10.1021/jo062453d
日期:2007.3.1
Axially chiral BINAM N-heterocyclic carbene (NHC)-Rh(III) complexes were applied in the enantioselective hydrosilylation of 3-oxo-3-arylpropionic acid methyl or ethyl esters. The reduction products 3-hydroxy-3-arylpropionic acid methyl or ethyl esters could be obtained in good yields with good to excellent enantioselectivities under mild conditions.
Axially Chiral NHC−Pd(II) Complexes in the Oxidative Kinetic Resolution of Secondary Alcohols Using Molecular Oxygen as a Terminal Oxidant
作者:Tao Chen、Jia-Jun Jiang、Qin Xu、Min Shi
DOI:10.1021/ol063061w
日期:2007.3.1
see text] Axially chiral N-heterocyclic carbene (NHC) Pd(II) complexes were prepared from optically active 1,1'-binaphthalenyl-2,2'-diamine (BINAM) and H8-BINAM and applied in the oxidativekineticresolution of secondaryalcoholsusing molecular oxygen as a terminal oxidant. The corresponding sec-alcohols can be obtained in good yields with moderate to good enantioselectivities.
A novel cis-chelated Pd(II)–NHC complex for catalyzing Suzuki and Heck-type cross-coupling reactions
作者:Qin Xu、Wei-Liang Duan、Zhi-Yu Lei、Zhi-Bin Zhu、Min Shi
DOI:10.1016/j.tet.2005.09.010
日期:2005.11
A novel Pd(II)–NHC complex, which has a ‘normal’ cis-chelating, bidentate structure is fairly effective in Suzuki and Heck-type cross-coupling reaction to give the products in good to excellent yields in most cases.