Constituents of the roots of Melochia chamaedrys

The chemical investigation of Melochia chamaedris (Sterculiaceae) afforded the cyclic peptide alkaloid 1, named chamaedrine, and seven other known compounds. The cyclic peptide alkaloid, chamaedrine, was isolated from the roots of Melochia chamaedris (Sterculiaceae), along with four known cyclic pep...

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Bibliographic Details
Published in:Phytochemistry (Oxford) 2007-03, Vol.68 (5), p.668-672
Main Authors: Dias, G.C.D., Gressler, V., Hoenzel, S.C.S.M., Silva, U.F., Dalcol, I.I., Morel, A.F.
Format: Article
Language:English
Subjects:
alkaloids
Alkaloids - chemistry
Alkaloids - isolation & purification
Amino Acids - analysis
Biological and medical sciences
Biotechnology
Chamaedrine
Chemical constitution
chemical structure
Cyclic peptide alkaloid
cyclic peptides
Fundamental and applied biological sciences. Psychology
Genetic engineering
Genetic technics
Hydrolysis
Magnetic Resonance Spectroscopy
Malvaceae
Malvaceae - chemistry
medicinal plants
Melochia
Melochia chamaedrys
Methods. Procedures. Technologies
Molecular Conformation
Peptides, Cyclic - chemistry
Peptides, Cyclic - isolation & purification
Plant Extracts - chemistry
Plant Extracts - isolation & purification
Plant physiology and development
Plant Roots - chemistry
root systems
spectral analysis
Sterculiaceae
stereochemistry
traditional medicine
Transgenic animals and transgenic plants
Transgenic plants
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Summary:The chemical investigation of Melochia chamaedris (Sterculiaceae) afforded the cyclic peptide alkaloid 1, named chamaedrine, and seven other known compounds. 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).
ISSN:0031-9422
1873-3700
DOI:10.1016/j.phytochem.2006.11.004