J Nat Prod. 2008 Apr;71(4):701-5. Epub 2008 Feb 16.

Chromomoric acid derivatives from Tectona philippinensis.

Ragasa CY, Tepora MM, Espinelli DH, Mandia EH, Rideout JA.

Source

Chemistry Department and Center for Natural Sciences and Ecological Research, De La Salle University, 2401 Taft Avenue, 1004 Manila, Philippines. ragasac@dlsu.edu.ph

Abstract

The air-dried leaves of Tectona philippinensis, an endemic and endangered Philippine medicinal tree, afforded four new chromomoric acid derivatives ( 1, 2, 3a, and 3b). Their structures were elucidated by extensive 1D and 2D NMR spectroscopy. Antimicrobial testing was carried out on 1- 3 against a panel of bacteria and fungi.

PMID:: 18278870; [PubMed - indexed for MEDLINE]

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