Highly Efficient Asymmetric Hydrogenation of α,β‐Unsaturated Carboxylic Acids Catalyzed by Ruthenium(II)‐Dipyridylphosphine Complexes | Zendy

Qiu Liqin | Zendy; Li YueMing | Zendy; Kwong Fuk Yee | Zendy; Yu WingYiu | Zendy; Fan QingHua | Zendy; Chan Albert S. C. | Zendy

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Highly Efficient Asymmetric Hydrogenation of α,β‐Unsaturated Carboxylic Acids Catalyzed by Ruthenium(II)‐Dipyridylphosphine Complexes

Author(s) -

Qiu Liqin,

Li YueMing,

Kwong Fuk Yee,

Yu WingYiu,

Fan QingHua,

Chan Albert S. C.

Publication year - 2007

Publication title -

advanced synthesis and catalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.541

H-Index - 155

eISSN - 1615-4169

pISSN - 1615-4150

DOI - 10.1002/adsc.200600410

Subject(s) - chemistry , ruthenium , cationic polymerization , catalysis , benzene , phos , asymmetric hydrogenation , medicinal chemistry , enantioselective synthesis , benzene derivatives , organic chemistry , chemical synthesis , biochemistry , in vitro

Two types of catalysts [RuL(benzene)Cl]Cl and Ru(OCOCH 3 ) 2 L with the dipyridylphosphine ligands P‐Phos and Xyl‐P‐Phos were applied in the asymmetric hydrogenation of α,β‐unsaturated carboxylic acids. The cationic complexes [RuL(benzene)Cl]Cl were found to be superior to the corresponding neutral complex Ru(OCOCH 3 ) 2 L in this type of reactions. The catalysts exhibited excellent activities and enantioselectivities (up to 97 % ee ) in the asymmetric hydrogenation.

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