Constituents of the roots of Melochia chamaedrys |
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| Authors: | Dias G C D Gressler V Hoenzel S C S M Silva U F Dalcol I I Morel A F |
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| Institution: | Departamento de Química, NPPN, Universidade Federal de Santa Maria, 97045-100 Santa Maria, RS, Brazil. |
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| Abstract: | The cyclic peptide alkaloid, chamaedrine, was isolated from the roots of Melochia chamaedris (Sterculiaceae), along with four known cyclic peptide alkaloids (adouetine X, frangulaline, scutianine B and scutianine C), and waltherione A, parasorbic acid, propacine, and (-)-epicatequine. Their structures were elucidated on the basis of spectroscopic analysis, especially by 2D NMR ((1)H-(1)H-COSY, NOESY, HMQC, HMBC). |
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| Keywords: | Melochia chamaedrys Sterculiaceae Cyclic peptide alkaloid Chamaedrine |
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