A NEW PRENYLATED FLAVANONE FROM THE ARIAL PART OF Orthosiphon stamineus
ABSTRACT Phytochemicalinvestigations 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-preny/flavanonetogether with four known flavonoids compounds, sinensetin, eupatorin, 5,6.7,4'...
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| Format: | Article NonPeerReviewed |
| Published: |
[Yogyakarta] : Universitas Gadjah Mada
2008
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| Online Access: | https://repository.ugm.ac.id/27910/ http://i-lib.ugm.ac.id/jurnal/download.php?dataId=10973 |
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| Institution: | Universitas Gadjah Mada |
| Summary: | ABSTRACT
Phytochemicalinvestigations 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-preny/flavanonetogether 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.
Keywords: Orthosiphon stamineus, prenylated flavanone, flavonoids |
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