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Volumn 37, Issue 39, 1996, Pages 7019-7022

Preparation and use of chiral (Z)-enol ethers in asymmetric Bradsher cycloaddition

Author keywords

[No Author keywords available]

Indexed keywords

ETHER DERIVATIVE; NAPHTHYRIDINE DERIVATIVE;

EID: 0030599219     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4039(96)01540-7     Document Type: Article
Times cited : (24)

References (32)
  • 18
    • 0027501484 scopus 로고
    • and references there in
    • 5) Taskinen, E. Tetrahedron, 1993, 49, 11389-11394 and references there in.
    • (1993) Tetrahedron , vol.49 , pp. 11389-11394
    • Taskinen, E.1
  • 26
    • 0027934153 scopus 로고
    • 8) For recent reviews concerning the water promoted organic reactions, see: a) Lubineau, A.; Augé, J.; Queneau, Y. Synthesis, 1994, 741-760.
    • (1994) Synthesis , pp. 741-760
    • Lubineau, A.1    Augé, J.2    Queneau, Y.3
  • 27
    • 0000677232 scopus 로고
    • b) Li, C. Chem. Rev. 1993, 93, 2023-2035.
    • (1993) Chem. Rev. , vol.93 , pp. 2023-2035
    • Li, C.1
  • 28
    • 85030273158 scopus 로고    scopus 로고
    • The role of this salt is not well understood
    • 9) The role of this salt is not well understood.
  • 30
    • 85030273635 scopus 로고    scopus 로고
    • 11) For the use of isomannide-isosorbide derivatives in normal electron demand asymmetric Diels-Alder reactions, see the following paper, Loupy, A.; Monteux, D.
    • Loupy, A.1    Monteux, D.2
  • 31
    • 85030278121 scopus 로고    scopus 로고
    • note
    • 12) The exo selectivity of these cycloadditions was deduced from nOe experiments showing the spatial proximity between N-CH-O and R*O-CH. Moreover, a cycloaddition performed with (E) 7f afforded a mixture of diastereomeric endo-exo adducts. For further discussion, see ref. 3d. The diastereoselectivity of these cycloadditions was measured by integration of the signal attributed to N-CH-O which appeared as a doublet between 4.8 and 5 ppm.
  • 32
    • 85030278984 scopus 로고    scopus 로고
    • note
    • 2. The coordinates of the hydrogen atoms were refined with an isotropic thermal factor equivalent to that of the bonded carbon atom, plus 10%. Atomic coordinates, bond lengths, bond and torsion angles, and thermal parameters at the Cambridge Crystallographic Data Centre, UK.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.