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Start Over Author "Ibrahim NA" Journal planta medica
6 results on '"Ibrahim NA"'

6. A new monoterpene alkaloid and other constituents of Plumeria acutifolia.

Author

Hassan EM, Shahat AA, Ibrahim NA, Vlietinck AJ, Apers S, and Pieters L

Subjects
Molecular Structure, Pentacyclic Triterpenes, Plant Leaves chemistry, Triterpenes chemistry, Ursolic Acid, Alkaloids chemistry, Apocynaceae chemistry, Iridoids chemistry, Monoterpenes chemistry
Abstract

Phytochemical investigation of the methanolic extract of Plumeria acutifolia (Apocynaceae) leaves has led to the isolation and identification by spectroscopic means of a new monoterpene alkaloid, (R)-4'-((S)-1-hydroxyethyl)-5,6-dihydro-5' H-spiro[cyclopenta[C]pyridine-7,2'-furan)-5'-one, for which the name plumerianine was adopted, the iridoid 15-demethylplumeride, and three known triterpenes, i. e., lupeol, uvaol and ursolic acid.

Published
2008
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