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Volumn 33, Issue 38, 1992, Pages 5477-5480

Studies on the synthesis of Stemona alkaloids; stereoselective preparation of the hydroindole ring system by oxidative cyclization of tyrosine

Author keywords

[No Author keywords available]

Indexed keywords

ALKALOID; INDOLE DERIVATIVE; OXOTUBEROSTEMONINE; TUBEROSTEMONINE; UNCLASSIFIED DRUG;

EID: 0026737508     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(00)61121-8     Document Type: Article
Times cited : (120)

References (40)
  • 4
    • 0002286415 scopus 로고
    • Synthetic Studies on the Stemona Alkaloids; Stereochemical Course of PhSe+-Induced Seven-Membered Ring Formation
    • (1990) Synlett , vol.2 , pp. 279
    • Xiang1    Kozikowski2
  • 13
    • 0004151408 scopus 로고
    • The augmented MM2 force field of the Tektronix CaChe program was used:, American Chemical Society, Washington, DC, ACS Monograph 177
    • (1982) Molecular Mechanics
    • Burkert1    Allinger2
  • 30
    • 0023765225 scopus 로고
    • For the use of a chiral auxiliary functionality in a related cyclization, see
    • (1988) J. Org. Chem. , vol.53 , pp. 3184
    • Martin1    Campbell2
  • 31
    • 0023267914 scopus 로고
    • However, only a 1.4:1 ratio of diastereomers was obtained in this process. Similarly, Michael cyclization to a C(3)-oxygenated hydroindolenone in the Amaryllidaceae series led to a 1.5:1 mixture of diastereomeric products:
    • (1987) J. Org. Chem. , vol.52 , pp. 1962
    • Martin1    Davidsen2    Puckette3
  • 38
    • 84919180365 scopus 로고    scopus 로고
    • [[Note]]
  • 39
    • 84986398255 scopus 로고
    • ?-Alkylierung von ?-Hydroxycarbons�uren �ber 1,3-Dioxan-4-on-Enolate
    • For the a discussion of stability effects of enolates with β-leaving groups, see, for example
    • (1988) Helvetica Chimica Acta , vol.71 , pp. 1143
    • Zimmermann1    Seebach2    Ha3
  • 40
    • 84919180364 scopus 로고    scopus 로고
    • NOE Effects:


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.