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Published in: Journal of Natural Medicines 1/2017

01-01-2017 | Note

Pteleifolols A–E, acetophenone di-C-glycosides and a benzopyran dimer from the leaves of Melicope pteleifolia

Authors: Ken-ichi Nakashima, Naohito Abe, Fang-Rong Chang, Makoto Inoue, Masayoshi Oyama

Published in: Journal of Natural Medicines | Issue 1/2017

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Abstract

Four new acetophenone di-C-glycosides, pteleifolols A–D (14) and a new dimeric benzopyran, pteleifolol E (5), were isolated from the leaves of Melicope pteleifolia. Seven known compounds, including 2,4,6-trihydroxyacetophenone-3,5-di-C-glucopyranoside (6), were also isolated. Structures of the new compounds (15) were established by using spectroscopic and spectrometric techniques, including 1D and 2D nuclear magnetic resonance (NMR), UV, and high-resolution electrospray ionization mass spectrometry (HR-ESI–MS) data. Pteleifolols A–D (14) were E-p-coumaroyl, Z-p-coumaroyl, E-feruloyl, and benzoyl esters of 6, respectively. Pteleifolol E (5) was a dichromene dimerized through a C2 unit.
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Metadata
Title
Pteleifolols A–E, acetophenone di-C-glycosides and a benzopyran dimer from the leaves of Melicope pteleifolia
Authors
Ken-ichi Nakashima
Naohito Abe
Fang-Rong Chang
Makoto Inoue
Masayoshi Oyama
Publication date
01-01-2017
Publisher
Springer Japan
Published in
Journal of Natural Medicines / Issue 1/2017
Print ISSN: 1340-3443
Electronic ISSN: 1861-0293
DOI
https://doi.org/10.1007/s11418-016-1035-8

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