Synthesis, NMR spectroscopic and X-ray crystallographic studies of N-acetyl-3-butanoyltetramic acid
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Barkley, JV
(EN)
Markopoulou, O
(EN)
Markopoulos, J
(EN)
The reaction of N-acetylglycine p-nitrophenyl ester with the anion of an active methylene compound proceeds to give N-acetyl-3-butanoyltetramic acid. The influence of the N-acetyl group on the equilibrium between different 'internal' and 'external' tautomeric forms of N-acetyl-3-butanoyltetramic acid was investigated by H-1 and C-13 NMR spectroscopy. The structure of this compound was confirmed by an X-ray crystal structure determination.
(EN)