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Volumn , Issue 7, 2005, Pages 1427-1443

Novel approach to the (-)-sparteine-mediated synthesis of kainoids: Total synthesis of (-)-α-kainic acid by (-)-sparteine-mediated deprotonation

Author keywords

( ) Sparteine; Allyl carbamates; Asymmetric synthesis; Natural products; Pyrrolidines

Indexed keywords

ALLYL COMPOUND; CARBAMIC ACID; GLUTAMIC ACID; KAINIC ACID; LITHIUM; PROTON; PYRROLIDINE DERIVATIVE; SERINE; SPARTEINE;

EID: 16444381572     PISSN: 1434193X     EISSN: None     Source Type: Journal    
DOI: 10.1002/ejoc.200400824     Document Type: Article
Times cited : (27)

References (53)
  • 1
    • 7044241215 scopus 로고    scopus 로고
    • For a preliminary communication of our work see: M. M. Martínez, D. Hoppe, Org. Lett. 2004, 6, 3743-3746.
    • (2004) Org. Lett. , vol.6 , pp. 3743-3746
    • Martínez, M.M.1    Hoppe, D.2
  • 4
    • 16444366718 scopus 로고
    • (Eds.: E. G. McGeer, J. W. Olney, P. L. McGeer), Raven Press, New York
    • c) J. C. Watkins, in: Kainic Acid as a Tool in Neurobiology (Eds.: E. G. McGeer, J. W. Olney, P. L. McGeer), Raven Press, New York, 1978, pp. 26-69.
    • (1978) Kainic Acid as a Tool in Neurobiology , pp. 26-69
    • Watkins, J.C.1
  • 8
    • 0029864974 scopus 로고    scopus 로고
    • a) For review see: A. F. Parsons, Tetrahedron 1996, 52, 4149-4174.
    • (1996) Tetrahedron , vol.52 , pp. 4149-4174
    • Parsons, A.F.1
  • 24
    • 16444386800 scopus 로고    scopus 로고
    • note
    • See experimental section for more details.
  • 32
    • 16444367927 scopus 로고    scopus 로고
    • note
    • 4) unsuccessfully.
  • 40
    • 16444386921 scopus 로고    scopus 로고
    • note
    • Synthesized from α-hydroxyacetone in 67% overall yield over four steps: silylation followed by Horner-Wadsworth-Emmons reaction, 1,2-reduction of ester moiety and bromination.
  • 42
    • 0003588273 scopus 로고
    • Georg Thieme Verlag, Stuttgart, New York
    • H. Günther in: NMR-Spektroskopie, Georg Thieme Verlag, Stuttgart, New York, 1992. The coupling constants were obtained with the use of packet of programs TURBOMOLE (vers 5.6), University of Karlsruhe, 2003. The structures were obtimized with the theoretical function at the DFT level using the pure B-P functional [DFT(B-P)] and the basis set TZVP (triplevalence-polarized).
    • (1992) NMR-Spektroskopie
    • Günther, H.1
  • 43
    • 0030694010 scopus 로고    scopus 로고
    • and references therein
    • a) In all known examples, deprotonation of O-allylic carbamates with n-BuLi/(-)-sparteine led to the (5)-configured organo-lithium compound. For review see: D. Hoppe, T. Hense, Angw. Chem. Int. Ed. Engl. 1997, 36, 2282-2316, and references therein;
    • (1997) Angw. Chem. Int. Ed. Engl. , vol.36 , pp. 2282-2316
    • Hoppe, D.1    Hense, T.2
  • 46
    • 49149145492 scopus 로고
    • N-reactions, see: M. R. Magid, Tetrahedron 1980, vol. 5, 1901-1930.
    • (1980) Tetrahedron , vol.5 , pp. 1901-1930
    • Magid, M.R.1
  • 53
    • 16444374884 scopus 로고    scopus 로고
    • note
    • [6i,6j]). The NOE studies were carried out at low temperature because of the broad signals.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.