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Titolo:
Asymmetric Mukaiyama-Michael addition of acyclic enones catalyzed by allo-threonine-derived B-aryloxazaborolidinones
Autore:
Harada, T; Iwai, H; Takatsuki, H; Fujita, K; Kubo, M; Oku, A;
Indirizzi:
Kyoto Inst Technol, Dept Chem, Sakyo Ku, Kyoto 6068585, Japan Kyoto Inst Technol Kyoto Japan 6068585 m, Sakyo Ku, Kyoto 6068585, Japan
Titolo Testata:
ORGANIC LETTERS
fascicolo: 13, volume: 3, anno: 2001,
pagine: 2101 - 2103
SICI:
1523-7060(20010628)3:13<2101:AMAOAE>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
BIS(OXAZOLINE) COPPER(II) COMPLEXES; SILYLKETENE ACETALS; ALDOL; ESTERS; ACIDS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Harada, T Kyoto Inst Technol, Dept Chem, Sakyo Ku, Matsugasaki, Kyoto 6068585, Japan Kyoto Inst Technol Matsugasaki Kyoto Japan 6068585 68585, Japan
Citazione:
T. Harada et al., "Asymmetric Mukaiyama-Michael addition of acyclic enones catalyzed by allo-threonine-derived B-aryloxazaborolidinones", ORG LETT, 3(13), 2001, pp. 2101-2103

Abstract

[GRAPHICS]O-(2-Naphthoyl)-N-tosyl-L-allo-threonine B-phenyloxazaborolidinone catalyzes the asymmetric Mukaiyama-Michael addition of simple acyclic enones to give adducts of 54-85% ee, 2,6-Diisopropylphenal as an additive is demonstrated to effectively retard the undesirable Si+-catalyzed racemic pathway.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 08/04/20 alle ore 12:15:24