Ainsliatriolides A and B, Two Guaianolide Trimers from Ainsliaea fragrans and Their Cytotoxic Activities.
J Org Chem
; 83(22): 14175-14180, 2018 11 16.
Article
em En
| MEDLINE
| ID: mdl-30345763
ABSTRACT
Ainsliatriolides A (1) and B (2), two guaianolide sesquiterpenoid trimers possessing an unprecedented skeleton, were isolated from Ainsliaea fragrans. Their structures were elucidated through extensive analysis of spectroscopic data and confirmed by single-crystal X-ray diffraction experiment. Ainsliatriolides A and B are first examples of compound trimerized from guaianolide sesquiterpenoids through two different C-C linkages (type A, 4-2'/15-14'; type B, 15'-15â³). Ainsliatriolide A displayed potent cytotoxicity with an averaged IC50 value of 1.17 µM against four cancer cells.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Sesquiterpenos
/
Asteraceae
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Antineoplásicos Fitogênicos
Idioma:
En
Ano de publicação:
2018
Tipo de documento:
Article