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Manilkzapotane, a novel dimeric alkylresorcinol derivative from the stem bark of <i>Manilkara zapota</i>
Manilkzapotane, a novel dimeric alkylresorcinol derivative from the stem bark of <i>Manilkara zapota</i>
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Date
2020
Authors
Thuc-Huy Duong
Nguyen Tien Trung
Cam-Tu D. Phan
Van-Kieu Nguyen
Vassana Musa
Thanatip Ruksilp
Ngoc-Hong Nguyen
Huu-Hung Nguyen
Jirapast Sichaem
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Abstract
A novel dimeric alkylresorcinol derivative, manilkzapotane (1),
along with seven known compounds, lupeol acetate (2), lupeol
(3), arjunolic acid (4), ergosterol peroxide (5), taraxerol (6), hederagonic
acid (7), and glochidiol (8) were isolated from the stem
bark of Manilkara zapota. Their structures were determined on
the basis of spectroscopic data. DFT-NMR chemical shift calculations
and a modified probability (DP4þ) method were applied to
define the relative configuration of 1. To the best of our knowledge,
this represents the first isolation of a dimeric alkylresorcinol
derivative from the Sapotaceae family.
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Keywords
"Sapotaceae,
Manilkara zapota,
manilkzapotane,
alkylresorcinol derivative"