Rhamnellosides A and B, ω-Phenylpentaene Fatty Acid Amide Diglycosides from the Fruits of Rhamnella franguloides.

Rhamnellosides A and B, ω-Phenylpentaene Fatty Acid Amide Diglycosides from the Fruits of Rhamnella franguloides.
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Rhamnellosides a和b,ω-苯基戊烷脂肪酸酰胺酰胺从rhamnella franguloides的果实中进行了甘氨酸。

DOI:
10.3390/molecules23040752
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发表时间:
2018-03-24
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Sung SH
Sung SH
中科院分区:
其他
文献类型:
--
作者:
Kang KB;Gao M;Kim GJ;Choi H;Sung SH

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从鼠李科(Rhamnella franguloides)果实中分离得到两个新的ω-苯基五烯脂肪酸酰胺双糖苷,即鼠李糖苷A(1)和B(2)。这些化合物使用LC-MS/MS分子网络去重复进行优先排序,基于我们先前从遗传学相关物种Berchemia berchemiifolia中发现的2-乙酰氧基-ω-苯基戊烯脂肪酸三糖苷berchemiosides A-C。化合物的结构通过光谱分析和化学衍生法进行了鉴定。化合物1和2的五烯基团具有(6 E,8 E,10 Z,12 Z,14 E)-构型,与小檗苷A中的构型相同。
Two new ω-phenylpentaene fatty acid amide diglycosides, rhamnellosides A (1) and B (2), were isolated from the fruits of Rhamnella franguloides (Rhamnaceae). These compounds were prioritized using LC-MS/MS molecular networking dereplication based on our previous discovery of 2-acetoxy-ω-phenylpentaene fatty acid triglycosides berchemiosides A−C from a phylogenetically related species, Berchemia berchemiifolia. The structures of the isolated compounds were elucidated by spectroscopic analyses in combination with chemical derivatization. The pentaene groups of 1 and 2 were found to have (6E, 8E, 10Z, 12Z, 14E)-geometry, which is the same as that found in berchemioside A.
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