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Titolo:
Chiral pyridylimidazolines: synthesis, arene ruthenium complexes and application in asymmetric catalysis
Autore:
Davenport, AJ; Davies, DL; Fawcett, J; Russell, DR;
Indirizzi:
Univ Leicester, Dept Chem, Leicester LE1 7RH, Leics, England Univ Leicester Leicester Leics England LE1 7RH er LE1 7RH, Leics, England
Titolo Testata:
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1
fascicolo: 13, , anno: 2001,
pagine: 1500 - 1503
SICI:
1472-7781(2001):13<1500:CPSARC>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
DIELS-ALDER REACTIONS; LEWIS-ACID; CRYSTAL-STRUCTURE; METAL COMPLEXES; LIGANDS; IMIDAZOLINES; SEMICORRINS; CENTERS; KETONES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Physical, Chemical & Earth Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Davies, DL Univ Leicester, Dept Chem, Leicester LE1 7RH, Leics, England Univ Leicester Leicester Leics England LE1 7RH Leics, England
Citazione:
A.J. Davenport et al., "Chiral pyridylimidazolines: synthesis, arene ruthenium complexes and application in asymmetric catalysis", J CHEM S P1, (13), 2001, pp. 1500-1503

Abstract

Condensation of (1S,2S)-1,2-diphenylethylenediamine and 2-cyanopyridine gives the chiral pyridylimidazoline (L-1), deprotonation followed by treatment with methyl iodide gives an NMe derivative (L-2). The pyridylimidazolinesreact with [RuCl2(mes)](2) (mes=1,3,5-trimethylbenzene) in the presence ofNaSbF6 to give [RuCl(L)(mes)][SbF6] (1,2) which have been characterised byX-ray crystallography. After treatment with AgSbF6 both complexes are enantioselective catalysts for the Diels-Alder reaction of methacrolein and cyclopentadiene.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 02:18:22