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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/14926
Title: Chemical Investigations of Sponges from the Red Sea
???metadata.dc.contributor.*???: Dr. Tarekegn Gebreyesus
Shewaye, Dejene
Issue Date: Jun-1989
Publisher: Addis Ababa University
Abstract: Heteronemin, a pentacyclic sesterterpene has been characterized from the chloroform extract of an unidentified sponge sample collected from Massawa, Red Sea. The structure was established by 1H nmr, 13C nmr, and mass spectral interpretation. Another C29 compound characterized as 0-sitosterol, has been isolated from the chloroform extract of another unidentified sponge sample, collected from the same locality as the first one. The structure of the sterol was characterized by spectral interpretation, and comparing its physical constants with authentic sample.
Description: Thesis Presented to the School of Graduate Studies Addis Ababa University in Partial Fulfillment of the Requirement for the Degree of Master of Science in Chemistry
URI: http://hdl.handle.net/123456789/14926
Appears in Collections:Thesis - Chemistry

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