Constituents of the roots of Melochia chamaedrys
2007
Dias, G.C.D. | Gressler, V. | Hoenzel, S.C.S.M. | Silva, U.F. | Dalcol, I.I. | Morel, A.F.
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 (1H-1H-COSY, NOESY, HMQC, HMBC).
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