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Asymmetric Zinc‐Catalyzed Hydrosilylation of Ketones and the Effect of Carboxylate on the Enantioselectivity
Author(s) -
Pang Shaofeng,
Peng Jiajian,
Li Jiayun,
Bai Ying,
Xiao Wenjun,
Lai Guoqiao
Publication year - 2013
Publication title -
chirality
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.43
H-Index - 77
eISSN - 1520-636X
pISSN - 0899-0042
DOI - 10.1002/chir.22137
Subject(s) - hydrosilylation , chemistry , zinc , enantioselective synthesis , carboxylate , catalysis , furan , pyrrole , organic chemistry , medicinal chemistry , polymer chemistry
Several chiral ligands containing ( R , R )‐diaminocyclohexane moieties and pyrrole, furan, or benzene have been synthesized. These ligands were tested in enantioselective zinc‐catalyzed hydrosilylation reactions ; excellent enantioselectivities were obtained when the ligands containing ( R , R )‐diaminocyclohexane moieties and furan rings were used. For comparison, zinc chloride combined with different potassium carboxylate salts and ligands were also tested for catalytic hydrosilylation reactions . Chirality 25:275–280, 2013 . © 2013 Wiley Periodicals, Inc.