Neuroprotective Dihydro-Beta-Agarofuran-Type Sesquiterpenes From The Seeds Of Euonymus Maackii
JOURNAL OF NATURAL PRODUCTS(2019)
摘要
Twenty-one dihydro-beta-agarofuran derivatives were purified from the seeds of Euonymus maackii, and eight compounds (1-8) were identified as new natural products. Their structures were deduced by extensive spectroscopic analysis, X-ray diffraction studies, and comparison of observed and reported NMR data. Compounds 10, 12, 17, and 18 significantly increased the cell viability of A beta(25-35)-treated SH-SY5Y cells with effects similar to that of epigallocatechin gallate (EGCG). In addition, the abundant compound 9 reduced the seizure-like locomotor activity of zebrafish at 10 mu M compared with a pentylenetetrazol-treated group.
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