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Volumn 50, Issue 15, 1994, Pages 4507-4518

A new active catalyst species for enantioselective alkylation by phase-transfer catalysis

Author keywords

[No Author keywords available]

Indexed keywords

AMINO ACID DERIVATIVE;

EID: 0028300898     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4020(01)89382-0     Document Type: Article
Times cited : (243)

References (106)
  • 22
    • 0026730481 scopus 로고
    • For a stereoselective synthesis of β-amino alcohols from the benzophenone Schiff bases of amino esters, see:
    • (1992) J. Org. Chem. , vol.57 , pp. 5469
    • Polt1    Peterson2    DeYoung3
  • 29
    • 0001061616 scopus 로고
    • Heterocycles IX. Asymmetric Epoxidation of a Quinone and Synthe-ses of Chiral Lactones
    • Asymmetric epoxidations in up to 78% ee:
    • (1981) HETEROCYCLES , vol.15 , pp. 183
    • Harigaya1    Yamaguchi2    Onda3
  • 41
    • 84921151576 scopus 로고    scopus 로고
    • 11 proceeded in good yield but gave racemic product. See Reference 14d.
  • 44
    • 84921151575 scopus 로고    scopus 로고
    • 17 For a selective monophenylation of the benzophenone imine of glycine ethyl ester based on these acidity differences, see: Reference 1j.
  • 56
    • 84921151574 scopus 로고    scopus 로고
    • Reference 9 and cited references. With the exception of Reference 9, the inductions reported have not been high.
  • 62
    • 84921166550 scopus 로고
    • None of these catalysts yielded product with high enantioselectivity.and cited references
    • (1991) Huaxue Xuebao , vol.49 , pp. 507
    • An1    Ding2
  • 63
    • 84921151573 scopus 로고    scopus 로고
    • Under normal PTC conditions, tertiary amines 11 and 13 are alkylated to the corresponding quaternary ammonium compounds. See Reference 20a.
  • 64
    • 84921151572 scopus 로고    scopus 로고
    • w(F) = 0.0516.
  • 65
    • 0002593837 scopus 로고
    • For studies comparing chiral phase-transfer catalysts containing either an alkyl or an aryl (e.g. benzyl) on the quaternary nitrogen, see, This paper was disputed by Reference 25b
    • (1975) Tetrahedron Lett. , pp. 3495
    • Fiaud1
  • 84
    • 85004337882 scopus 로고
    • Asymmetric Induction in the Borohydride Reduction of Carbonyl Compounds by Means of a Chiral Phase-Transfer Catalyst
    • (1976) Synthesis , pp. 266
    • Balcells1    Collona2    Fornasier3
  • 98
    • 85050272509 scopus 로고
    • For reviews concerning the use of free alkaloids as catalysts in various reactions, see, E.L. Eliel, S. Wilen, N.L. Allinger, Wiley, New York
    • (1986) Topics in Stereochemistry , vol.16 , pp. 87
    • Wynberg1
  • 103
    • 85004337882 scopus 로고
    • Asymmetric Induction in the Borohydride Reduction of Carbonyl Compounds by Means of a Chiral Phase-Transfer Catalyst
    • (1976) Synthesis , pp. 266
    • Balcells1    Colonna2    Fornasier3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.