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Titolo:
Enantioselective hydrogenation of alpha-keto acetals with cinchona modified Pt catalyst
Autore:
Studer, M; Burkhardt, S; Blaser, HU;
Indirizzi:
Novartis Serv AG, Sci Serv, CH-4002 Basel, Switzerland Novartis Serv AG Basel Switzerland CH-4002 v, CH-4002 Basel, Switzerland
Titolo Testata:
CHEMICAL COMMUNICATIONS
fascicolo: 17, , anno: 1999,
pagine: 1727 - 1728
SICI:
1359-7345(19990907):17<1727:EHOAAW>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
MODIFIED PLATINUM CATALYSTS; NICKEL-CATALYST; ETHYL PYRUVATE; RANEY-NICKEL; KETOESTERS; ALKALOIDS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Studer, M Novartis Serv AG, Sci Serv, R-1055-616, CH-4002 Basel, Switzerland Novartis Serv AG R-1055-616 Basel Switzerland CH-4002 itzerland
Citazione:
M. Studer et al., "Enantioselective hydrogenation of alpha-keto acetals with cinchona modified Pt catalyst", CHEM COMMUN, (17), 1999, pp. 1727-1728

Abstract

The enantioselective hydrogenation of a variety of alpha-keto acetals to the corresponding alpha-hydroxy acetals with Pt catalysts modified with cinchonidine derivatives is described with ees up to 97% and high reaction rates, and the influence of the substrate structure, the modifier and the reaction conditions (catalyst, solvent, temperature, pressure, modifier concentration) was investigated in some detail.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 13/07/20 alle ore 10:36:08