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- Kinetics and mechanism of the cyclization of ω-(p-nitrophenyl)-hydantoic acid amides: steric hindrance to proton transfer causes a 104-fold change in rate. Violina T. Angelova, Anthony J. Kirby, Asen H. Koedjikov, Ivan G. Pojarlieff
, Org. Biomol. Chem.
, 2003
, 1
, 859
- A normal gem-dimethyl effect in the base-catalyzed cyclization of ω-( p-nitrophenyl)hydantoic acids: evidence for hindered proton transfer in the permethylated esters. Iva B. Blagoeva, Anthony J. Kirby, Ivaylo I. Kochiyashki, Asen H. Koedjikov, Ivan G. Pojarlieff, Maria M. Toteva
, J. Chem. Soc., Perkin Trans. 2
, 2000
, 1953
- Hydrolysis of 4-imino-imidazolidin-2-ones in acid and the mechanism of cyclization of hydantoic acid amides. Violina T. Angelova, Nikolay G. Vassilev, Asen H. Koedjikov, Ivan G. Pojarlieff
, Org. Biomol. Chem.
, 2007
, 5
, 2835
- Intramolecular nucleophilic attack by urea nitrogen. Reactivity–selectivity relationships for the general acid–base catalysed cyclisations of ureido acids and esters. Iva B. Blagoeva, Ivan G. Pojarlieff, Denis T. Tashev, Anthony J. Kirby
, J. Chem. Soc., Perkin Trans. 2
, 1989
, 347
- A pH-dependent cyanate reactivity model: application to preparative
N-carbamoylation of amino acids. Jacques Taillades, Laurent Boiteau, Isabelle Beuzelin, Olivier Lagrille, Jean-Philippe Biron, Willy Vayaboury, Odile Vandenabeele-Trambouze, Olivia Giani, Auguste Commeyras
, J. Chem. Soc., Perkin Trans. 2
, 2001
, 1247
- CXLIII.—The influence of substituents on the formation and stability of heterocyclic compounds. Part I. Hydantoins. Christopher Kelk Ingold, Shinichi Sako, Jocelyn Field Thorpe
, J. Chem. Soc., Trans.
, 1922
, 121
, 1177
- The gem-dimethyl effect on reactivities in cyclizations through tetrahedral intermediates. Cyclization of methyl-substituted methyl amides of 5-(p-nitrophenyl)hydantoic acids. Asen H. Koedjikov, Iva B. Blagoeva, Ivan G. Pojarlieff, Anthony J. Kirby
, J. Chem. Soc., Perkin Trans. 2
, 1996
, 2479
- Formation and degradation of urea derivatives in the azide method of peptide synthesis. Part 2. Acidolytic degradation of urea derivatives. Ken Inouye, Kunio Watanabe
, J. Chem. Soc., Perkin Trans. 1
, 1977
, 1911
- Linear free energy–steric strain energy relationships for the gem-di-methyl effect. Acid-catalysed ring closure of methyl-substituted 3-ureidopropionic acids. Iva B. Blagoeva, Bogdan J. Kurtev, Ivan G. Pojarlieff
, J. Chem. Soc., Perkin Trans. 2
, 1979
, 1115
- Kinetics and mechanism of hydantoic ring opening. The alkaline hydrolysis of 3-arylimidazolidine-2,4-diones to 5-arylhydantoic acids. Michel Bergon, Jean-Pierre Calmon
, J. Chem. Soc., Perkin Trans. 2
, 1978
, 493