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Cyclometalated Ruthenium( II ) Complexes as Highly Active Transfer Hydrogenation Catalysts
Author(s) -
Baratta Walter,
Da Ros Paolo,
Del Zotto Alessandro,
Sechi Alessandra,
Zangrando Ennio,
Rigo Pierluigi
Publication year - 2004
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200454199
Subject(s) - ruthenium , pyridine , agostic interaction , catalysis , transfer hydrogenation , chemistry , crystal structure , group (periodic table) , medicinal chemistry , stereochemistry , organic chemistry , metal
Quantitative conversion : Reaction of the 14‐electron complex [RuCl 2 {(2,6‐Me 2 C 6 H 3 )PPh 2 } 2 ] with CH 2 O in the presence of NEt 3 gave a five‐coordinate cyclometalated complex with a δ‐agostic interaction of one ortho ‐methyl group (see X‐ray crystal structure). Displacement of one phosphane group with 2‐(aminomethyl)pyridine gave a highly active catalyst for the quantitative conversion of ketones into alcohols.