Two New Benzoquinone Derivatives from Vietnamese Knema globularia Stems.
Chem Biodivers
; 21(5): e202400380, 2024 May.
Article
em En
| MEDLINE
| ID: mdl-38498616
ABSTRACT
The chemical investigation of the stems of Knema globularia led to the isolation of two new benzoquinones derivatives, embenones A and B (1 and 2), along with three known compounds (3-5). The structures of the isolated compounds were determined using spectroscopic techniques, including HRESIMS, 1D and 2D NMR, in conjunction with comparison to existing literature data. Compounds 1 and 2 represent new carbon skeletons in nature. Furthermore, all isolated compounds were evaluated for their α-glucosidase inhibitory activity, with compounds 1-3 exhibiting superior potency relative to the positive control (acarbose, IC50 331â
µM). Their IC50 values ranged from 1.40 to 96.1â
µM.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Benzoquinonas
/
Caules de Planta
/
Myristicaceae
País/Região como assunto:
Asia
Idioma:
En
Revista:
Chem Biodivers
/
Chem. biodivers. (Online)
/
Chemistry & biodiversity (Online)
Assunto da revista:
BIOQUIMICA
/
QUIMICA
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
Vietnã
País de publicação:
Suíça