메뉴 건너뛰기




Volumn , Issue 21, 2002, Pages 3552-3557

Potassium organotrifluoroborates in rhodium-catalyzed asymmetric 1,4-additions to enones

Author keywords

Asymmetric catalysis; Borates; Catalysis; Enones; Michael addition; Rhodium

Indexed keywords

BORIC ACID; POTASSIUM ORGANOTRIFLUOROBORATE; RHODIUM; UNCLASSIFIED DRUG;

EID: 0036845262     PISSN: 1434193X     EISSN: None     Source Type: Journal    
DOI: 10.1002/1099-0690(200211)2002:21<3552::AID-EJOC3552>3.0.CO;2-4     Document Type: Article
Times cited : (140)

References (44)
  • 5
    • 0034975355 scopus 로고    scopus 로고
    • T. Hayashi, Synlett 2001, 879-887. For a study of the mechanism: T. Hayashi, M. Takahashi, Y. Takaya, M. Ogasawara, J. Am. Chem. Soc. 2002, 124, 5052-5058.
    • (2001) Synlett , pp. 879-887
    • Hayashi, T.1
  • 20
    • 0011332677 scopus 로고    scopus 로고
    • note
    • It has been shown recently that the use of chiral binol-based diphosphonites allows the use of only a slight excess (1.2 equiv.) of the boronic acid in the addition to enones: see ref.[11]
  • 21
    • 0011368652 scopus 로고    scopus 로고
    • note
    • 3Li] can be used in place of organoboronic acids to avoid their isolation.[5b,6a] Another alternative is the use of boronic esters, although a base is needed in this case.[5a,7b]
  • 26
    • 0011281465 scopus 로고    scopus 로고
    • European Patent no. 1,057,831 A2, 2000
    • [18a] K. Puentener, M. Scalone, European Patent no. 1,057,831 A2, 2000.
    • Puentener, K.1    Scalone, M.2
  • 43
    • 0011374365 scopus 로고    scopus 로고
    • note
    • 2), the solvent was removed under reduced pressure. Purification by chromatography over silica gel afforded analytically pure product.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.