1H AND 13C NMR SPECTRAL ASSIGNMENTS OF AN AMINO ACID-COUMARIN HYBRID

Vidoslav Dekić, Biljana Dekić, Niko Radulović

DOI Number
-
First page
101
Last page
107

Abstract


Synthesis and detailed spectral analysis of a new 4-substituted coumarin-amino acid derivate are presented in this paper. A new glycine derivate of (3-nitro-2-oxo-2H-chromen-4-yl)amino]acetate was prepared by condensation of 4-chloro-3-nitrocoumarin and ethyl glycinate hydrochloride. The complete assignment of 1H and 13C NMR chemical shifts of the synthesized compound was carried out by the aid of a combination of 1D (1H and 13C NMR) and 2D (1H-1H-COSY, NOESY, HSQC and HMBC) NMR experiments.

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DOI: https://doi.org/10.2298/682

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ISSN 0354-4656 (print)

ISSN 2406-0879 (online)