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Volumn 52, Issue 5, 1996, Pages 1685-1698

Diastereofacial selectivity in the reaction of chiral N-trimethylsilyl imines with ester enolates: Preparation of trans -azetidin-2-ones in high stereocontrolled fashion

Author keywords

[No Author keywords available]

Indexed keywords

2 AZETIDINONE DERIVATIVE;

EID: 0030071117     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4020(95)00997-3     Document Type: Article
Times cited : (44)

References (103)
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    • and references therein cited
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    • Reviews on monobactams: Cimarusti, C.M.; Sykes, R.B. Chem. In Britain 1983, 302. Miller, M.J. Acc. Chem. Res. 1986, 44? 5553.
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    • See also Ref. 5
    • Although we consider it unlikely under the reaction conditions used, reversible addition of Reformasky reagents to imines has been clearly established: (a) Dardoize, F.; Gaudemar, M. Bull. Soc. Chim. Fr. 1974, 939. See also Ref. 5.
    • (1974) Bull. Soc. Chim. Fr. , pp. 939
    • Dardoize, F.1    Gaudemar, M.2
  • 81
    • 0001924338 scopus 로고
    • Allinger, N.L., Eliel, E.L., S.H., Eds.; Wiley: New York
    • For an excellent discussion of the possible transition state of ester-enolate-imine condensation see: Evans, D.A.; Nelson, J.V.; Taber, T.R.; Topics in Stereochemistry; Allinger, N.L., Eliel, E.L., S.H., Eds.; Wiley: New York, 1982; Vol. 13, pp 1-117
    • (1982) Topics in Stereochemistry , vol.13 , pp. 1-117
    • Evans, D.A.1    Nelson, J.V.2    Taber, T.R.3
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    • 0026012253 scopus 로고
    • (c) van der Steen, F.H.; Kleijn, H.; Spek, A.L.; van Koten, G. J. Org. Chem. 1991, 56, 5868. The reaction of titanium enolates and thioesters has been elegantly developed by Cinquini, M. and Cozzi, F. See for example: (a) Annunziata, R.; Benaglia, M.; Cinquini, M.; Cozzi, F.; Raimondi, L. Tetrahedron, 1994, 50, 9471.
    • (1991) J. Org. Chem. , vol.56 , pp. 5868
    • Van Der Steen, F.H.1    Kleijn, H.2    Spek, A.L.3    Van Koten, G.4
  • 90
    • 0028145540 scopus 로고
    • (c) van der Steen, F.H.; Kleijn, H.; Spek, A.L.; van Koten, G. J. Org. Chem. 1991, 56, 5868. The reaction of titanium enolates and thioesters has been elegantly developed by Cinquini, M. and Cozzi, F. See for example: (a) Annunziata, R.; Benaglia, M.; Cinquini, M.; Cozzi, F.; Raimondi, L. Tetrahedron, 1994, 50, 9471.
    • (1994) Tetrahedron , vol.50 , pp. 9471
    • Annunziata, R.1    Benaglia, M.2    Cinquini, M.3    Cozzi, F.4    Raimondi, L.5
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    • 85029995017 scopus 로고    scopus 로고
    • note
    • The generation of the imine by means of NaHMDSA gives rise to a diastereoselection comparable with that found using LiHMDSA. Nevertheless a faster imine formation and better yields in azetidinones are obtained with the latter one.
  • 92
    • 85029973978 scopus 로고    scopus 로고
    • note
    • For simplicity sake only one enantiomer has been reported.
  • 96
    • 85029981352 scopus 로고
    • Concerning the influence of temperature and solvent on nucleophilic addition to N-(trimethylsilyl)imine of (2S)-lactal see: Cainelli, G.; Giacomini, D.; Walzl, M. Angew. Chem. In. Ed. 1995, 000. German Version: Angew. Chem. 1995, 107, 000.
    • (1995) Angew. Chem. In. Ed. , vol.0
    • Cainelli, G.1    Giacomini, D.2    Walzl, M.3
  • 97
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    • Concerning the influence of temperature and solvent on nucleophilic addition to N-(trimethylsilyl)imine of (2S)-lactal see: Cainelli, G.; Giacomini, D.; Walzl, M. Angew. Chem. In. Ed. 1995, 000. German Version: Angew. Chem. 1995, 107, 000.
    • (1995) German Version: Angew. Chem. , vol.107
  • 100
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    • (b) Chen, X.; Hortelano, E.R.; Eliel, E.L.; Frye, S.V. J. Am. Chem. Soc. 1992, 114, 1778. For a up-to-date discussion on chelation controlled carbonyl addition see: Mori, S.; Nakamura, E.; Nakamura, M.; Koga, N.; Morokuma, K. J. Am. Chem. Soc. 1995, 117, 5055.
    • (1992) J. Am. Chem. Soc. , vol.114 , pp. 1778
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    • (b) Chen, X.; Hortelano, E.R.; Eliel, E.L.; Frye, S.V. J. Am. Chem. Soc. 1992, 114, 1778. For a up-to-date discussion on chelation controlled carbonyl addition see: Mori, S.; Nakamura, E.; Nakamura, M.; Koga, N.; Morokuma, K. J. Am. Chem. Soc. 1995, 117, 5055.
    • (1995) J. Am. Chem. Soc. , vol.117 , pp. 5055
    • Mori, S.1    Nakamura, E.2    Nakamura, M.3    Koga, N.4    Morokuma, K.5
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    • note
    • The spectral data of the compounds 16c, 18c, 19c were superimposable with those of enantiomeric compounds 16b, 18b, and 19b (see Ref. 25f)


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