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Original scientific paper

IR Spectroscopy Study of the Amidation Reaction of N-(1-Azolecarbonyl)amino Acids on L-Phenylalanine Derivative Models

Marijana Zovko ; Faculty of Pharmacy and Biochemistry, A. Kovačića 1, 10 000 Zagreb, Croatia
Igor Kalčić ; Faculty of Pharmacy and Biochemistry, A. Kovačića 1, 10 000 Zagreb, Croatia
Branka Zorc ; Faculty of Pharmacy and Biochemistry, A. Kovačića 1, 10 000 Zagreb, Croatia
Ivan Butula ; Faculty of Pharmacy and Biochemistry, A. Kovačića 1, 10 000 Zagreb, Croatia

Fulltext: english, pdf (148 KB) pages 229-233 downloads: 870* cite
APA 6th Edition
Zovko, M., Kalčić, I., Zorc, B. & Butula, I. (2003). IR Spectroscopy Study of the Amidation Reaction of N-(1-Azolecarbonyl)amino Acids on L-Phenylalanine Derivative Models. Croatica Chemica Acta, 76 (3), 229-233. Retrieved from https://hrcak.srce.hr/103172
MLA 8th Edition
Zovko, Marijana, et al. "IR Spectroscopy Study of the Amidation Reaction of N-(1-Azolecarbonyl)amino Acids on L-Phenylalanine Derivative Models." Croatica Chemica Acta, vol. 76, no. 3, 2003, pp. 229-233. https://hrcak.srce.hr/103172. Accessed 11 Apr. 2021.
Chicago 17th Edition
Zovko, Marijana, Igor Kalčić, Branka Zorc and Ivan Butula. "IR Spectroscopy Study of the Amidation Reaction of N-(1-Azolecarbonyl)amino Acids on L-Phenylalanine Derivative Models." Croatica Chemica Acta 76, no. 3 (2003): 229-233. https://hrcak.srce.hr/103172
Harvard
Zovko, M., et al. (2003). 'IR Spectroscopy Study of the Amidation Reaction of N-(1-Azolecarbonyl)amino Acids on L-Phenylalanine Derivative Models', Croatica Chemica Acta, 76(3), pp. 229-233. Available at: https://hrcak.srce.hr/103172 (Accessed 11 April 2021)
Vancouver
Zovko M, Kalčić I, Zorc B, Butula I. IR Spectroscopy Study of the Amidation Reaction of N-(1-Azolecarbonyl)amino Acids on L-Phenylalanine Derivative Models. Croatica Chemica Acta [Internet]. 2003 [cited 2021 April 11];76(3):229-233. Available from: https://hrcak.srce.hr/103172
IEEE
M. Zovko, I. Kalčić, B. Zorc and I. Butula, "IR Spectroscopy Study of the Amidation Reaction of N-(1-Azolecarbonyl)amino Acids on L-Phenylalanine Derivative Models", Croatica Chemica Acta, vol.76, no. 3, pp. 229-233, 2003. [Online]. Available: https://hrcak.srce.hr/103172. [Accessed: 11 April 2021]

Abstracts
Behaviour of N-(1-azolecarbonyl)-L-phenylalanine (Azc-Phe-OH, 1a-d) and L-phenylalanine N-carboxy anhydride (L-Phe-NCA, 6) in the presence of triethylamine (TEA) or cyclohexylamine was followed by IR spectroscopy. IR spectra were recorded in acetonitrile solutions. Attention was focused on characteristic absorptions of CO2 (2340 cm–1) and Azc, COOH or the anhydride group (1850-1600 cm–1). The obtained results corroborate N-carboxy anhydride as an intermediate in amidation reactions of Azc-amino acids.

Keywords
N-(1-azolecarbonyl)amino acid; amino acid N-carboxy anhydride; polymerization; IR spectroscopy

Hrčak ID: 103172

URI
https://hrcak.srce.hr/103172

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