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Atiqur Rahman
Department of Biotechnology, College of Engineering, Daegu University, Kyungsan 712-714; Department of Applied Chemistry & Chemical Technology, Islamic University, Kushtia-7003
Chemical Engineering, Chemistry & Bioengineering Chemistry

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A NEW PRENYLATED FLAVANONE FROM THE ARIAL PART OF Orthosiphon stamineus M. Amzad Hossain; Atiqur Rahman; Sun Chul Kang
Indonesian Journal of Chemistry Vol 8, No 1 (2008)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1253.685 KB) | DOI: 10.22146/ijc.21661

Abstract

Phytochemical investigations on the chloroform extract of the arial part of Orthosiphon stamineus resulted in isolation of one new prenylated compound 5,7-dimethoxy-3,4′-dihydroxy-3′,8-di-C-prenylflavanone together with four known flavonoids compounds, sinensetin, eupatorin, 5,6,7,4¢-tetramethoxyflavone and 3-hydroxy-5,6,7,4¢-tetramethoxyflavone. The structures were deduced on basis of different analytical methods such as UV, IR, 1H-NMR, 13C-NMR, DEPT, COSY, HMBQ and GC-MS. The prenylated compound is reported for the first time from this plant.
Co-Authors M. Amzad Hossain Sun Chul Kang