메뉴 건너뛰기




Volumn 46, Issue 35, 2005, Pages 5857-5861

Six new indole alkaloids from Gelsemium sempervirens Ait. f.

Author keywords

Gelsemium; Indole alkaloid; Isomerization; NMR; Solvent effect; Structure elucidation; Total synthesis

Indexed keywords

16 EPIVOACARPINE; AMINOKETONE; GELSEMPERVINE A; GELSEMPERVINE B; GELSEMPERVINE C; GELSEMPERVINE D; INDOLE ALKALOID; SEPERVILAM; SOLVENT; UNCLASSIFIED DRUG;

EID: 23044479998     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2005.06.136     Document Type: Article
Times cited : (42)

References (18)
  • 2
    • 0004237726 scopus 로고    scopus 로고
    • G.A. Cordell Academic Press San Diego
    • H. Takayama, and S. Sakai G.A. Cordell The Alkaloids Vol. 49, Chapter 1 1997 Academic Press San Diego and references cited therein
    • (1997) The Alkaloids , vol.491
    • Takayama, H.1    Sakai, S.2
  • 5
    • 23044475809 scopus 로고    scopus 로고
    • note
    • 5N signal.
  • 10
    • 23044478268 scopus 로고    scopus 로고
    • note
    • -1): 3451, 3342, 2951, 1732, 1639. CD (c = 0.262 mM, MeOH, 23°C) Δε (λ nm): 0 (396), +1.91 (321), 0 (299), -1.51 (282), 0 (265), +1.12 (257), 0 (243), -10.32 (224), 0 (210), +3.55 (203).
  • 15
    • 23044451576 scopus 로고    scopus 로고
    • note
    • -1): 3313, 2925, 1742, 1640. CD (c = 0.210 mM, MeOH, 23°C) Δε (λ nm): 0 (396), +2.29 (318), 0 (302), -1.64 (286), 0 (264), +1.24 (252), 0 (246), -8.38 (223), 0 (205).
  • 16
    • 23044467986 scopus 로고    scopus 로고
    • note
    • 3OD. These correlations enabled us to assign the chemical shift of C-3 in 4, and the HMBC connectivities supported the transannular form in the protic solvent.
  • 17
    • 23044505309 scopus 로고    scopus 로고
    • note
    • -1): 3451, 3316, 2928, 1737, 1641. CD (c = 0.224 mM, MeOH, 23°C) Δε (λ nm): 0 (392), +1.46 (318), 0 (301), -1.36 (282), 0 (265), +1.10 (251), 0 (244), -6.99 (224), 0 (214), +3.15 (204).
  • 18
    • 23044456467 scopus 로고    scopus 로고
    • note
    • -1): 3330, 2925, 1731. CD (c = 0.272 mM, MeOH, 23°C) Δε (λ nm): 0 (319), +0.79 (271), 0 (244), -13.02 (230), 0 (215), +1.12 (211), +2.16 (206).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.