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Published on: August 16, 2018
A novel antimicrobial agent from the leaves of Peltophorum vogelianum (Benth.)
Mehtab Parveen1, Raza Murad Ghalib, Zakia Khanam
1Department of Chemistry, Aligarh Muslim University, Aligarh-202002, Uttar Pradesh, India. mehtab_organic@rediffmail.com
Abstract:
The methanolic extract of the leaves of Peltophorum vogelianum (Caesalpiniaceae) afforded a new phytoconstituent, 2-methoxy-4,5-dihydroxy-1(7,8-dihydroxyethylene)-8-beta-D-glucuropyranoside named as peltophorumyl-beta-D-glucuropyranoside (5), along with four known phytoconstituents, 1-pentatriacontanol (1), friedelin (2), beta-sitosterol (3) and beta-sitosterol-beta-D-glucopyranoside (4), which have not been isolated previously from this plant. Their structures were established on the basis of chemical and physical evidence (IR, 1H-NMR, 13C-NMR, DEPT, HSQC, HMBC and MS). Moreover, compound 5 showed significant antimicrobial activity.
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