Structure determination of new steroids from Abutilon pakistanicum by NMR techniques |
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| Authors: | Hussain Munawar Zahra Durey Nayab Hussain S M Shakil Ahmed Ejaz Ahmad Ijaz Malik Abdul Ahmed Zaheer |
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| Institution: | International Center for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan. |
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| Abstract: | Two new steroids provisionally named as pakisteroid-A (1) and pakisteroid-B (2) have been isolated in crystalline form from Abutilon pakistanicum. Their structures have been assigned as 3-O-beta-D-glucopyranosyl-stigmasta-5,11(12)-diene (1) and 24beta-ethylcholesta-5, 9(11), 22E-trien-3beta-benzoate (2), respectively through extensive NMR studies. |
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| Keywords: | NMR 1D/2D NMR Malvaceae Abutilon pakistanicum steroids |
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