γ-Glutamyl dipeptides in Petiveria alliacea
Copyright policy )γ-Glutamyl dipeptides in Petiveria alliacea
Three gamma-glutamyl dipeptides have been isolated from Petiveria alliacea L. roots. These dipeptides include (S(C2)R(C7))-gamma-glutamyl-S-benzylcysteine together with two diastereomeric sulfoxides, namely (S(C2)R(C7)R(S))- and (S(C2)R(C7)R(S))-gamma-glutamyl-S-benzylcysteine S-oxides (gamma-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.
- University at Albany, State University of New York United States
- State University of New York at Potsdam United States
Magnetic Resonance Spectroscopy, Circular Dichroism, Phytolaccaceae, Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization, Stereoisomerism, Dipeptides, Plant Roots
Magnetic Resonance Spectroscopy, Circular Dichroism, Phytolaccaceae, Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization, Stereoisomerism, Dipeptides, Plant Roots
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