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Title: Glycopentaphyllone: The first isolation of hydroperoxyquinolone from the fruits of Glycosmis pentaphylla
Authors: Tawanun Sripisut
Thunwadee Ritthiwigrom
Trinop Promgool
Kulsiri Yossathera
Suwanna Deachathai
Wong Phakhodee
Sarot Cheenpracha
Surat Laphookhieo
Keywords: Agricultural and Biological Sciences
Biochemistry, Genetics and Molecular Biology
Issue Date: 1-Jun-2012
Abstract: A new hydroperoxyquinolone alkaloid, glycopentaphyllone (1), along with nine compounds (2-10), was isolated from the fruits of Glycosmis pentaphylla. Their structures were elucidated on the basis of spectroscopic methods. The absolute configuration of glycopentaphyllone at C-2′ was established as S-configuration by applying Mosher's method. In addition, the completed assignments of13C NMR as well as 2D NMR spectral data of compound 5 were reported herein for the first time. Also, all isolates were evaluated for antibacterial activity against Escherichia coli TISTR 780, Salmonella typhimurium TISTR 292, Staphylococcus aureus TISTR 1466, and Methicillin-resistant S. aureus SK1. © 2012 Phytochemical Society of Europe. Published by Elsevier B.V. All rights reserved.
ISSN: 18767486
Appears in Collections:CMUL: Journal Articles

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