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Titolo:
Formation of Pd/C-ethylenediamine complexes [Pd/C (en)] and it's application to selective hydrogenations
Autore:
Sajiki, H; Hirota, K;
Indirizzi:
Gifu Pharmaceut Univ, Med Chem Lab, Gifu 5028585, Japan Gifu Pharmaceut Univ Gifu Japan 5028585 ed Chem Lab, Gifu 5028585, Japan
Titolo Testata:
JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY JAPAN
fascicolo: 2, volume: 59, anno: 2001,
pagine: 109 - 120
SICI:
0037-9980(200102)59:2<109:FOPC[(>2.0.ZU;2-B
Fonte:
ISI
Lingua:
JPN
Soggetto:
CATALYTIC TRANSFER HYDROGENOLYSIS; BIDENTATE NITROGEN LIGANDS; BENZYL PROTECTIVE GROUP; BUTYLDIMETHYLSILYL ETHERS; CHEMOSELECTIVE INHIBITION; ORGANOMETALLIC-CHEMISTRY; HOMOGENEOUS CATALYSIS; HYDROXY FUNCTIONS; AMMONIUM FORMATE; O-BENZYL;
Keywords:
heterogeneous catalyst; hydrogenation; hydrogenolysis; palladium; Pd/C(en); chemoselectivity; regioselectivity;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
65
Recensione:
Indirizzi per estratti:
Indirizzo: Sajiki, H Gifu Pharmaceut Univ, Med Chem Lab, 5-6-1 Mitahora Higashi, Gifu5028585, Japan Gifu Pharmaceut Univ 5-6-1 Mitahora Higashi Gifu Japan 5028585
Citazione:
H. Sajiki e K. Hirota, "Formation of Pd/C-ethylenediamine complexes [Pd/C (en)] and it's application to selective hydrogenations", J SYN ORG J, 59(2), 2001, pp. 109-120

Abstract

The chemoselective hydrogenation of an organic compound containing two or more reducible functional groups is a useful method in organic synthesis. We have found that a Pd/C catalyst formed an isolable complex with the ethylenediamine (en) employed as catalytic poison, and its complex catalyst [Pd/C(en)] chemoselectively hydrogenated a variety of reducible functionalitiesdistinguishing O-benzyl, N-Cbz and O-TBDMS protective groups, benzyl alcohols and epoxides. The catalyst also regioselectively hydrogenolyzed 1,2-epoxides to sec-alcohols depending upon the employed reaction conditions.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 09/07/20 alle ore 20:16:27