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- Title
Naphthalene derivatives from Diospyros wallichii.
- Authors
Salae, Abdul-Wahab; Karalai, Chatchanok; Ponglimanont, Chanita; Kanjana-Opas, Akkharawit; Yuenyongsawad, Supreeya
- Abstract
Three new naphthalene derivatives, 2-hydroxymethyl-1,5-dimethoxynaphthalen-4-ol (1), 2,2′-bis-hydroxymethyl-1,1′,5,5′-tetramethoxy-3,3′-binaphthalen-4,4′-diol (2), and 5,5′-dihydroxy-2,2′-dimethyl-7,7′-binaphthalen-1,1′,4,4′-tetraone (3), were isolated from the hexane and CH2Cl2 extracts of the roots and fruits of Diospyros wallichii, along with sixteen known compounds comprising nine naphthoquinones (4-12), a coumarin (13), and six triterpenes (14-19). The structures of these compounds were established on the basis of spectroscopic data and comparison with reported values. The antibacterial, antifungal, and cytotoxic activities of naphthalene derivatives were also reported.
- Subjects
NAPHTHALENE; DIOSPYROS; COUMARINS; ANTIBACTERIAL agents; ANTIFUNGAL agents; PLANT toxins; PLANT extracts; HEXANE; DICHLOROMETHANE
- Publication
Canadian Journal of Chemistry, 2010, Vol 88, Issue 9, p922
- ISSN
0008-4042
- Publication type
Article
- DOI
10.1139/V10-084