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Natural Product Research
Formerly Natural Product Letters
Volume 27, 2013 - Issue 20
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Research Article

Loasins A and B, new flavonoids from Eremostachys loasifolia

Uzma Rasheed MughalDepartment of Environmental Science, Federal Urdu University of Arts, Science & Technology, University Road, Karachi, 75300, Pakistan
,
Ghulam FareedDepartment of Chemistry, Federal Urdu University of Arts, Science & Technology, Karachi, -75300, Pakistan;PCSIR Laboratories Complex Karachi, Pharmaceutical Research Center, Karachi, 75280, Pakistan
,
Arif ZubairDepartment of Environmental Science, Federal Urdu University of Arts, Science & Technology, University Road, Karachi, 75300, Pakistan
,
Abdul MalikHEJ Research Institute of Chemistry, ICCBS, University of Karachi, Karachi, 75270, PakistanCorrespondence[email protected]
,
Muhammad Ali VersianiDepartment of Chemistry, Federal Urdu University of Arts, Science & Technology, Karachi, -75300, Pakistan
,
Nighat AfzaPCSIR Laboratories Complex Karachi, Pharmaceutical Research Center, Karachi, 75280, Pakistan
&
Rasool Bakhsh TareenDepartment of Botany, Balochistan University, Sariab Road, Quetta, Pakistan
 show all
Pages 1906-1910 | Received 29 Jan 2013, Accepted 23 Feb 2013, Published online: 24 May 2013
 
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Abstract

Loasins A (1) and B (2), new flavonoids, have been isolated from the ethyl acetate soluble sub-fraction of the ethanolic extract of Eremostachys loasifolia along with apuleisin (3) and apuleidin (4), isolated for the first time from this species. Their structures were assigned on the basis of their spectral data including 1D and 2D NMR.

Acknowledgements

Miss Uzma Raheed Mughal is grateful to the Higher Education Commission of Pakistan for the award of indigenous fellowship.

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