메뉴 건너뛰기




Volumn 4, Issue 11, 2006, Pages 2097-2099

Enantioselective construction of quaternary carbon centre catalysed by bifunctional organocatalyst

Author keywords

[No Author keywords available]

Indexed keywords

AMINO ACIDS; CATALYSTS; HYDROGEN BONDS; ORGANIC COMPOUNDS; SUBSTITUTION REACTIONS; VINYL RESINS;

EID: 33744823336     PISSN: 14770520     EISSN: None     Source Type: Journal    
DOI: 10.1039/b605871j     Document Type: Article
Times cited : (150)

References (60)
  • 8
    • 0036625219 scopus 로고    scopus 로고
    • For pioneering work on thiourea (or urea) organocatalysts, see:
    • M. Shibasaki N. Yoshikawa Chem. Rev. 2002 102 2187
    • (2002) Chem. Rev. , vol.102 , pp. 2187
    • Shibasaki, M.1    Yoshikawa, N.2
  • 39
    • 1842461758 scopus 로고    scopus 로고
    • Wiley-VCH Verlag Gmbh & Co. KGaA, Weinhein, Germany, pp. 104-150 For examples by using chiral auxiliary strategy, see:
    • R. Dumeunier and I. E. Marko, Modern Carbonyl Olefination, Wiley-VCH Verlag Gmbh & Co. KGaA, Weinhein, Germany, 2004, pp. 104-150
    • (2004) Modern Carbonyl Olefination
    • Dumeunier, R.1    Marko, I.E.2
  • 46
    • 33744808648 scopus 로고    scopus 로고
    • and references therein For a Rh-catalysed enantioselective conjugate addition of organo-boronic acids to vinyl sulfones, see:
    • J. Christoffers A. Mann Chem.-Eur. J. 2001 7 5
    • (2001) Chem.-Eur. J. , vol.7 , pp. 5
    • Christoffers, J.1    Mann, A.2
  • 50
    • 26444568120 scopus 로고    scopus 로고
    • For examples of intramolecular hydrogen bonding of sulfones in asymmetric synthesis, see:
    • S. Mossé A. Alexakis Org. Lett. 2005 7 4361
    • (2005) Org. Lett. , vol.7 , pp. 4361
    • Mossé, S.1    Alexakis, A.2
  • 54
    • 0032727421 scopus 로고    scopus 로고
    • Curran et al. has reported the hydrogen-bonding interaction of sulfoxide and biarylurea, see:
    • B. Gong C. Zheng H. Zeng J. Zhu J. Am. Chem. Soc. 1999 121 9766
    • (1999) J. Am. Chem. Soc. , vol.121 , pp. 9766
    • Gong, B.1    Zheng, C.2    Zeng, H.3    Zhu, J.4
  • 55
    • 33744821469 scopus 로고
    • For recent examples of enantioselective Michael addition of α-substituted cyanoacetates, see:
    • D. P. Curran L. H. Kuo J. Org. Chem. 1994 59 3299
    • (1994) J. Org. Chem. , vol.59 , pp. 3299
    • Curran, D.P.1    Kuo, L.H.2
  • 58
    • 27544458968 scopus 로고    scopus 로고
    • and references therein For a highlight on enantiomerically pure β-amino acids, see:
    • J. Christoffers A. Baro Adv. Synth. Catal. 2005 347 1473
    • (2005) Adv. Synth. Catal. , vol.347 , pp. 1473
    • Christoffers, J.1    Baro, A.2
  • 60
    • 0033986387 scopus 로고    scopus 로고
    • It was found that the Michael addition of 2j to 5 could occur without any catalyst at room temperature Much poorer results were obtained in the presence of catalyst 1e (84% yield, 14% ee)
    • S. Abele D. Seebach Eur. J. Org. Chem. 2000 1
    • (2000) Eur. J. Org. Chem. , pp. 1
    • Abele, S.1    Seebach, D.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.