| 2 | New Amides and Phenylpropanoid Glucosides from the Fruits of Piper retrofractum显示文摘Two new amides(E)-N-cinnamoyl-2-methoxypiperidine(1)and(R)-1-(2-oxopyrrolidin-3-yl)-5,6-dihydropyridin-2(1H)-one(2),four new amide glucosides,retrofractosides A-D(3-6),and two new phenylpropanoid glucosides,retrofractosides E(7)and F(8),together with 24 known compounds(9-32)were isolated from the fruits of Piper retrofractum.The chemical structures of these new compounds were elucidated based on extensive spectroscopic analysis.All of these isolates(1-32)were evaluated for inhibitory activity against mouse platelet aggregation induced by the peptide AYPGKF-NH2.(E)-N-(Tetrahydro-2H-pyran-2-yl)cinnamamide(9)showed a weak inhibitory efect,with an inhibition ratio of 52.0%at a concentration of 150μM. | Rong Tang Ya-Qiong Zhang Dong-Bao Hu Xue-Fei Yang Jun Yang Myint Myint San Thaung Naing Oo Yi Kong Yue-Hu Wang | 2019 | Natural Products and Bioprospecting2019，9，3： | 0 |
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