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One new pyrrole alkaloid, N-(2E)-3-(3,4-dihydrophenyl)prop-N 1′ -(4-aminobutyl)-3-pyrrole formaldehyde (1), was isolated from the whole herbs of Selaginella moellendorfii Hieron. The structure was elucidated by spectroscopic analyses including UV, IR, 1D NMR, 2D NMR and MS methods. Additionally, compound 1 exhibited potent protective effect against the injury of human umbilical vein endothelial...
Two new limonoids, 1α-tigloyloxy-3α-acetoxyl-7α-hydroxyl-12α-ethoxyl nimbolinin (1) and 1α-benzoyloxy-3α-acetoxyl-7α-hydroxyl-12α-ethoxyl nimbolinin (2), were isolated from the fruits of Melia toosendan. Their structures were established on the basis of various NMR spectroscopic analyses, including 2D-NMR techniques (HSQC, HMBC, NOESY) and HR-ESI-MS.
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