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Epimers from the leaves of Calophyllum inophyllum
Authors:Muhammad Shaiq Ali   Shaukat Mahmud   Shaista Perveen   Viqar Uddin Ahmad  Ghazala Hafeez Rizwani
Affiliation:a H.E.J. Research Institute of Chemistry, University of Karachi, Karachi 75270, Pakistan;b Department of Pharmacognosy, Faculty of Pharmacy, University of Karachi, Karachi 75270, Pakistan;c Environmental Engineering Department, NED University of Engineering and Technology, Karachi 75270, Pakistan
Abstract:The ethanolic extract of the fresh leaves of Calophyllum inophyllum afforded a pair of new epimers named as inophynone and isoinophynone. Their structures were elucidated with the aid of spectroscopic techniques. Some known constituents, cholesterol, friedelin, canophyllol and canophyllic acid, were also isolated from the same source.
Keywords:drug isolation   phytochemistry   medicinal plant   inophynone   isoinophynone   natural product
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