Polyacetylenic caffeoyl amides from Ammodaucus leucotrichus
Phytochemistry(2022)
摘要
Six undescribed polyacetylenic caffeoyl amides, five known flavones and three known lignans were obtained from the fruits of the North African traditional medicinal plant Ammodaucus leucotrichus Coss. & Durieu (Apiaceae). Isolation was achieved by a combination of chromatographic methods, and structures were established by extensive 1D and 2D NMR spectroscopy, mass spectrometry, electronic circular dichroism, and by GC-MS analysis of sugar derivatives. Polyacetylenic caffeoyl amides are reported for the first time as specialized metabolites.
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关键词
Ammodaucus leucotrichus,Apiaceae,Polyacetylenic caffeoyl amides,HPLC-PDA-ELSD-MS,NMR
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