| Structure Identification: |
| Zhongguo Zhong yao za zhi, 2018, 43(1):114-118. | | Constituents isolated from n-butanol extract of leaves of Moringa oleifera.[Reference: WebLink] |
METHODS AND RESULTS:
Seventeen compounds were isolated from n-butanol extract of the leaves of Moringa oleifera, using column chromatography over macroporous resin HP-20,Sephadex LH-20, and ODS. Their structures were identified as two carboline,tangutorid E(1) and tangutorid F(2); three phenolic glycosides,niazirin(3)，benzaldehyde 4-O-α-L-rhamnopyranoside(4) and 4-O-β-D-glucopyranosidebenzoic acid(5); four chlorogenic acid and derivatives,4-caffeoylquinic acid(6),Methyl 4-caffeoylquinate(7),caffeoylquinic acid(8) and methyl caffeoylquinate(9); two nucleosids,uridine(10) and adenosine(11); one flavone,quercetin 3-O-β-D-glucopyranoside(12); five other types of compounds,phthalimidineacetic acid(13),3-pyridinecarboxamide(14),3,4-dihydroxy-benzoic acid(15),5-hydroxymethyl-2-furancarboxylic acid(16) and 5-hydroxymethyl-2-furaldehyde(17) by the spectral data of ¹H, ¹³C-NMR and MS.
CONCLUSIONS:
Among them,compounds 1-2,7,9-10,16 and 17 were isolated from M. oleifera for the first time. |
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