Thorpe-Ingold effects in cyclizations to five-membered and six-membered rings containing planar segments. The rearrangement of N(1)-alkyl-substituted dihydroorotic acids to hydantoinacetic acids in base
Kaneti, J, Kirby, AJ, Koedjikov, AH, Pojarlieff, IG
Published in Organic & biomolecular chemistry (07.04.2004)
Published in Organic & biomolecular chemistry (07.04.2004)
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Kinetics and mechanism of the cyclization of omega-(p-nitrophenyl)-hydantoic acid amides: steric hindrance to proton transfer causes a 10(4)-fold change in rate
Angelova, Violina T, Kirby, Anthony J, Koedjikov, Asen H, Pojarlieff, Ivan G
Published in Organic & biomolecular chemistry (07.03.2003)
Published in Organic & biomolecular chemistry (07.03.2003)
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A large gem-dimethyl effect in the cyclization of ω-phenylhydantoic acids: computational modeling of the gem-dimethyl effect on the acid- or base-catalyzed cyclization of hydantoic acids and esters
Ivanov, P. M., Pojarlieff, I. G., Blagoeva, I. B., Jaime, C., Angelova, V. T., Koedjikov, A. H.
Published in Journal of physical organic chemistry (01.05.2004)
Published in Journal of physical organic chemistry (01.05.2004)
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The .alpha.-cyano-.alpha.-phenylacetic acid keto-enol system. Flash photolytic generation of the enol in aqueous solution and determination of the keto-enol equilibrium constants and acid dissociation constants interrelating all keto and enol forms in that medium
Andraos, J, Chiang, Y, Kresge, A. J, Pojarlieff, I. G, Schepp, N. P, Wirz, J
Published in Journal of the American Chemical Society (01.01.1994)
Published in Journal of the American Chemical Society (01.01.1994)
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Assisted hydrolysis of cis-2-(3-phenylthioureido) cyclopentane-carbonitrile in alkaline solution. Solvent dependent switch from hydrolysis to rearrangement of the iminothiooxopyrimidine intermediate
Atay, E, Blagoeva, IB, Chubb, FL, Edward, JT, Pojarlieff, IG, Toteva, MM
Published in Canadian journal of chemistry (01.01.2000)
Published in Canadian journal of chemistry (01.01.2000)
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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
Blagoeva, Iva B., Kirby, Anthony J., Kochiyashki, Ivaylo I., Koedjikov, Asen H., Pojarlieff, Ivan G., Toteva, Maria M.
Published in Perkin 2 : an international journal of physical organic chemistry (2000)
Published in Perkin 2 : an international journal of physical organic chemistry (2000)
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Unusual azetidine or oxazine formation upon reaction of O-ethyl dithiocarbonate with 1,2,3-triphenyl-3-phthalimidopropyl iodides; Erythro selectivity in the reaction of iodotrimethylsilane with phthalimidopropanols
Ivanova, ME, Kurteva, VB, Lyapova, MJ, Pojarlieff, IG
Published in Journal of chemical research (1998)
Published in Journal of chemical research (1998)
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The gem-dimethyl effect on reactivities in cyclizations through tetrahedral intermediates. Cyclization of methyl-substituted methyl amides of 5-(p-nitrophenyl)hydantoic acids
Koedjikov, AH, Blagoeva, IB, Pojarlieff, IG, Kirby, AJ
Published in Journal of the Chemical Society, Perkin Transactions 2 (1996)
Published in Journal of the Chemical Society, Perkin Transactions 2 (1996)
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Leffler relationship of the gem-dimethyl effect
BLAGOEVA, I. B, POJARLIEFF, I. G, RACHINA, V. T
Published in Journal of the Chemical Society. Chemical communications (1986)
Published in Journal of the Chemical Society. Chemical communications (1986)
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