Glycopentaphyllone: The first isolation of hydroperoxyquinolone from the fruits of Glycosmis pentaphylla
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-...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
2014
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| Online Access: | http://www.scopus.com/inward/record.url?eid=2-s2.0-84860530411&partnerID=40&md5=0dd42f2117860d5c337a630c58e06780 http://cmuir.cmu.ac.th/handle/6653943832/6653 |
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| Institution: | Chiang Mai University |
| Language: | English |
| Summary: | 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 of 13C 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. |
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