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Volumn 42, Issue 2, 2009, Pages 43-50

Chiral, chelating, hydroxyalkyl and hydroxyaryl n-heterocyclic carbenes: Design, synthesis, and application in copper-catalyzed asymmetric conjugate addition (Cu-ACA)

Author keywords

Asymmetric conjugate addition; Chiral quaternary centers; Copper catalysis; N heterocyclic carbenes; Organometallic reagents

Indexed keywords


EID: 70449717682     PISSN: 00025100     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article
Times cited : (51)

References (46)
  • 4
    • 36849065859 scopus 로고    scopus 로고
    • N-Heterocyclic Carbenes in Synthesis; Nolan, S. P., Ed.; WileyVCH: Weinheim
    • For recent books dealing with NHCs in synthesis and catalysis, see: (a) N-Heterocyclic Carbenes in Synthesis; Nolan, S. P., Ed.; WileyVCH: Weinheim, 2006.
    • (2006)
  • 5
    • 70449702334 scopus 로고    scopus 로고
    • N-Heterocyclic Carbenes in Transition Metal Catalysis; Glorius, F., Ed.; Topics in Organometallic Chemistry Series; Springer: Berlin
    • (b) N-Heterocyclic Carbenes in Transition Metal Catalysis; Glorius, F., Ed.; Topics in Organometallic Chemistry Series; Springer: Berlin, 2007; Vol.21.
    • (2007) , vol.21
  • 6
    • 34250200195 scopus 로고    scopus 로고
    • Nolan, S. P., Ed.; WileyVCH: Weinheim
    • For recent reviews on chiral NHCs, see: (a) Mauduit, M.; Clavier, H. In N-Heterocyclic Carbenes in Synthesis; Nolan, S. P., Ed.; WileyVCH: Weinheim, 2006; pp 183-222.
    • (2006) N-Heterocyclic Carbenes in Synthesis , pp. 183-222
    • Mauduit, M.1    Clavier, H.2
  • 8
    • 70449723662 scopus 로고    scopus 로고
    • note
    • NHC ligands 3 and 4 have been extensively studied in both coppercatalyzed Asymmetric Allylic Alkylation (AAA) and rutheniumcatalyzed Asymmetric Olefin Metathesis (AOM):
  • 11
    • 70449727345 scopus 로고    scopus 로고
    • note
    • SIMes-leucinol (2a) and its SIPr analogue have recently been used in the copper-catalyzed Asymmetric Allylic Alkylation (AAA) with up to 96% ee's: Jennequin, T.; Daubignard, J.; Wencel, J.; Crévisy, C.; Mauduit, M. École Nationale Supérieure de Chimie de Rennes, Rennes, France. Unpublished work, 2008.
  • 13
    • 0036793999 scopus 로고    scopus 로고
    • For recent reviews on enantioselective Cu-catalyzed conjugate additions, see: (a) Alexakis, A.; Benhaim, C. Eur. J. Org. Chem. 2002, 3221.
    • (2002) Eur. J. Org. Chem. , vol.3221
    • Alexakis, A.1    Benhaim, C.2
  • 38
  • 44
    • 17444396773 scopus 로고    scopus 로고
    • Racemic total syntheses of natural products (vibsane family) bearing chiral quartenary centers (using a Cu-catalyzed conjugate addition step involving Grignard reagents and 3-methyl-2cyclohexenone) have recently been reported: (a) Heim, R.; Wiedemann, S.; Williams, C. M.; Bernhardt, P. V. Org. Lett. 2005, 7, 1327.
    • (2005) Org. Lett. , vol.7 , pp. 1327
    • Heim, R.1    Wiedemann, S.2    Williams, C.M.3    Bernhardt, P.V.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.