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Volumn 21, Issue 5, 2010, Pages 582-600

Chiral relay in NHC-mediated asymmetric β-lactam synthesis I; substituent effects in NHCs derived from (1R,2R)-cyclohexane-1,2-diamine

Author keywords

[No Author keywords available]

Indexed keywords

BETA LACTAM DERIVATIVE; CARBENOID;

EID: 77953132255     PISSN: 09574166     EISSN: 1362511X     Source Type: Journal    
DOI: 10.1016/j.tetasy.2010.03.001     Document Type: Article
Times cited : (43)

References (120)
  • 5
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    • For select examples of 'chiral relay' in asymmetric transformations see:
    • For select examples of 'chiral relay' in asymmetric transformations see:. Watanabe Y., Mase N., Furue R., and Toru T. Tetrahedron Lett. 42 (2001) 2981-2984
    • (2001) Tetrahedron Lett. , vol.42 , pp. 2981-2984
    • Watanabe, Y.1    Mase, N.2    Furue, R.3    Toru, T.4
  • 32
    • 38349109278 scopus 로고    scopus 로고
    • For recent reviews of the ability of NHCs to catalyse organocatalytic processes see:
    • For recent reviews of the ability of NHCs to catalyse organocatalytic processes see:. Enders D., Niemeier O., and Henseler A. Chem. Rev. 107 (2007) 5606-5655
    • (2007) Chem. Rev. , vol.107 , pp. 5606-5655
    • Enders, D.1    Niemeier, O.2    Henseler, A.3
  • 47
  • 70
    • 67650551310 scopus 로고    scopus 로고
    • For the use of α'-hydroxyenones as α,β-unsaturated aldehyde surrogates see:
    • For the use of α'-hydroxyenones as α,β-unsaturated aldehyde surrogates see:. Chiang P.-C., Rommel M., and Bode J.W. J. Am. Chem. Soc. 131 (2009) 8714-8718
    • (2009) J. Am. Chem. Soc. , vol.131 , pp. 8714-8718
    • Chiang, P.-C.1    Rommel, M.2    Bode, J.W.3
  • 94
    • 50249134990 scopus 로고    scopus 로고
    • For an excellent recent review of Lewis-base mediated reaction processes see:
    • For an excellent recent review of Lewis-base mediated reaction processes see:. Denmark S.E., and Beutner G.L. Angew. Chem., Int. Ed. 47 (2008) 1560-1638
    • (2008) Angew. Chem., Int. Ed. , vol.47 , pp. 1560-1638
    • Denmark, S.E.1    Beutner, G.L.2
  • 104
    • 53849147258 scopus 로고    scopus 로고
    • Further elegant studies by the Ye group have utilised NHCs to promote a number of transformations employing ketenes:
    • Further elegant studies by the Ye group have utilised NHCs to promote a number of transformations employing ketenes:. Zhang Y.-R., Lv H., Zhou D., and Ye S. Chem. Eur. J. 14 (2008) 8473-8476
    • (2008) Chem. Eur. J. , vol.14 , pp. 8473-8476
    • Zhang, Y.-R.1    Lv, H.2    Zhou, D.3    Ye, S.4
  • 113
    • 77953135342 scopus 로고    scopus 로고
    • note
    • The absolute configuration of β-lactam 54 has previously been unambiguously determined by X-ray crystallography (Ref. 22) and the absolute configuration of other β-lactams was assigned by analogy.
  • 114
    • 77953136188 scopus 로고    scopus 로고
    • note
    • 2). The absolute configurations of 58, 62 and 64 were assigned by analogy. All ee values for the minor anti-diastereoisomer were <5%, and their absolute configuration has not been assigned.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.