c-Glutamyl dipeptides in Petiveria alliacea

Tipo de material: Texto

TextoSeries ; PhytoChemistry, 66(20), p.2494-2497, 2005Trabajos contenidos:

Kubec, R
Musah, R.A

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Resumen: Three c-glutamyl dipeptides have been isolated from Petiveria alliacea L. roots. These dipeptides include (SC2RC7)-c-glutamyl-Sbenzylcysteine together with two diastereomeric sulfoxides, namely (SC2RC7RS)- and (SC2RC7RS)-c-glutamyl-S-benzylcysteine S-oxides (c-glutamyl-petiveriins A and B, respectively). Their structures and absolute configurations have been determined by NMR, MALDI-HRMS, IR and CD spectroscopy, and confirmed by comparison with authentic compounds obtained by synthesis.

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Three c-glutamyl dipeptides have been isolated from Petiveria alliacea L. roots. These dipeptides include (SC2RC7)-c-glutamyl-Sbenzylcysteine together with two diastereomeric sulfoxides, namely (SC2RC7RS)- and (SC2RC7RS)-c-glutamyl-S-benzylcysteine S-oxides (c-glutamyl-petiveriins A and B, respectively). Their structures and absolute configurations have been determined by NMR, MALDI-HRMS, IR and CD spectroscopy, and confirmed by comparison with authentic compounds obtained by synthesis.

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