A new coumarin from  Perezia hebeclada | Zendy

HernándezCarlos Beatriz | Zendy; BurgueñoTapia Eleuterio | Zendy; JosephNathan Pedro | Zendy

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A new coumarin from Perezia hebeclada

Author(s) -

HernándezCarlos Beatriz,

BurgueñoTapia Eleuterio,

JosephNathan Pedro

Publication year - 2003

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1284

Subject(s) - chemistry , coumarin , methanol , residue (chemistry) , sugar , stereochemistry , two dimensional nuclear magnetic resonance spectroscopy , organic chemistry

Methanol extracts from Perezia hebeclada roots yielded the new 8‐β‐ D ‐glucopyranosyloxy‐4‐methoxy‐5‐methylcoumarin ( 1 ) together with the known 4‐β‐ D ‐glucopyranosyloxy‐5‐methylcoumarin ( 2 ). Their structures were determined and verified, respectively, by MS and NMR studies, including 1D and 2D experiments. Two 13 C NMR signals of the sugar residue of 2 were reassigned. Copyright © 2003 John Wiley & Sons, Ltd.

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