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Volumn 49, Issue 44, 2008, Pages 6334-6336

Structure elucidation of 21,22-dihydroxyonnamides A1-A4 from the marine sponge Theonella swinhoei: an empirical rule to assign the relative stereochemistry of linear 1,5-diols

Author keywords

1,5 Diol; Cytotoxic; Onnamide; Sponge; Stereochemistry

Indexed keywords

21,22 DIHYDROXYONNAMIDE A1; 21,22 DIHYDROXYONNAMIDE A2; 21,22 DIHYDROXYONNAMIDE A3; 21,22 DIHYDROXYONNAMIDE A4; MARINE TOXIN; ONNAMIDE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 51549107296     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2008.08.057     Document Type: Article
Times cited : (13)

References (17)
  • 9
    • 51549118358 scopus 로고    scopus 로고
    • note
    • 50 value of 40 ng/mL against P388 cells. Because the fraction was composed of four isomers in a ratio of 2:2:1:1 (vide infra), none of the isomers exhibits very potent cytotoxicity.
  • 10
    • 51549084504 scopus 로고    scopus 로고
    • note
    • It was not possible to decipher H-21 and H-22 signals, because they were both broad multiplets.
  • 11
    • 51549105835 scopus 로고    scopus 로고
    • note
    • 2-18 and H-26. Chemical shifts of 10-O-CH (δ 5.48) and H-13 (3.62) should be corrected as 5.20 and 3.64 ppm, respectively. The influence of the oxidation at C-21 and C-22 on H-7 indicated the spatial vicinity of these portions.
  • 16
    • 51549107441 scopus 로고    scopus 로고
    • Compounds 4 and 5 resisted methanolysis under the same condition.
    • Compounds 4 and 5 resisted methanolysis under the same condition.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.