Iridoid glucosides from leaves and stem barks of Parkia javanica

Authors: Dinda, Biswanath¹; Chandra Mohanta, Bikas¹; Debnath, Sudhan²; Ghosh, Biplab¹; Arima, Shiho³; Sato, Noriko³; Harigaya, Yoshihiro³

Source: Journal of Asian Natural Products Research, Volume 11, Number 3, March 2009 , pp. 229-235(7)

Publisher: Taylor and Francis Ltd

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Abstract:

Two new iridoid glucosides, javanicosides A (1) and B (2) along with the known compounds, ursolic acid and β-sitosterol were isolated from the leaf and stem bark of Parkia javanica and the structures were established on the basis of detailed spectroscopic analysis (MS, 1D, and 2D NMR experiments). The new compounds were identified as 8-O-p-hydroxybenzoyl-6'-O-p-coumaroyl-mussaenosidic acid (1) and 7-O-E-3,4-dimethoxycinnamoyl-6'-O-β-d-glucopyranosylloganic acid (2).

Keywords: Parkia javanica; Mimosaceae; iridoid glucosides

Document Type: Research article

DOI: http://dx.doi.org/10.1080/10286020902727280

Affiliations: 1: Department of Chemistry, Tripura University, Suryamaninagar, Agartala, India 2: Department of Chemistry, Belonia College, Belonia, South Tripura, India 3: School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan

Publication date: 2009-03-01