Chemical Investigations of Heteronema Erecta and an Unidentified Sponge from the Red Sea
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Date
1989-06
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Addis Ababa University
Abstract
Hcteronemin , a pentacyclic sestcrterpene has been
Characterized from the Chloroform extr act of an unidentified
sponge sample collected f rom Mas sawa, Red Sea . the Structure
was established by 1H nmr, 13C nmr , and mass spetral
interpretation.
Another C29 compound characterized as B- sitosterol ,
has been isolated from the Chloroform extract of another
unidenti f i ed sponge samp l e, collected from the same locality
as the firs t one. Th e s truc t ure of the ste rol was characterized
by spectral interpreta tion, and compa ring its physica l cons tants
with authentic sample.
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Chemical Investigations