Structures of bicyclic hexapeptides RA-XXVII and RA-XXVIII from Rubia cordifolia L

[Display omitted] •A rare structure in which a phenylpropanoid is ether-linked to a cyclic peptide.•X-ray crystallography solved the problem that spectroscopic methods could not.•Biosynthetic route for the connection of phenylpropanoids to aromatic rings verified by [4+2] cycloaddition reaction.•Mod...

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Veröffentlicht in:	Tetrahedron letters 2024-09, Vol.147, p.155190, Article 155190
Hauptverfasser:	Fukaya, Haruhiko, Anzai, Tatsuro, Hasuda, Tomoyo, Takeya, Koichi, Aoyagi, Yutaka, Nakane, Takahisa, Hitotsuyanagi, Yukio
Format:	Artikel
Sprache:	eng
Schlagworte:	cell lines coniferyl alcohol Cytotoxicity Phenylpropanoid RA-VII Rubia cordifolia spectral analysis X-ray diffraction
Online-Zugang:	Volltext
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