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 … J Kaneti, AJ Kirby, AH Koedjikov, IG Pojarlieff Organic & Biomolecular Chemistry 2 (7), 1098-1103, 2004 | 74 | 2004 |
β-Ureido acids and dihydrouracils—VII: Applications of proton resonance spectroscopy—XXXII nmr spectra and conformation of dihydrouracils and related compounds AR Katritzky, MR Nesbit, BJ Kurtev, M Lyapova, IG Pojarlieff Tetrahedron 25 (17), 3807-3824, 1969 | 50 | 1969 |
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 … J Andraos, Y Chiang, AJ Kresge, IG Pojarlieff, NP Schepp, J Wirz Journal of the American Chemical Society 116 (1), 73-81, 1994 | 40 | 1994 |
Intramolecular interactions in dibenzyl P Ivanov, I Pojarlieff, N Tyutyulkov Tetrahedron Letters 17 (10), 775-778, 1976 | 26 | 1976 |
Schiff base addition to cyclic dicarboxylic anhydrides: An unusual concerted reaction. An MO and DFT theoretical study J Kaneti, SM Bakalova, IG Pojarlieff The Journal of Organic Chemistry 68 (17), 6824-6827, 2003 | 24 | 2003 |
Intramolecular nucleophilic attack on carboxylate by ureide anion. General acid–base catalysis of the alkaline cyclisation of 2, 2, 3, 5-tetramethylhydantoic acid IB Blagoeva, IG Pojarlieff, AJ Kirby Journal of the Chemical Society, Perkin Transactions 2, 745-751, 1984 | 24 | 1984 |
Intramolecular nucleophilic attack by urea nitrogen. Reactivity–selectivity relationships for the general acid–base catalysed cyclisations of ureido acids and esters IB Blagoeva, IG Pojarlieff, DT Tashev, AJ Kirby Journal of the Chemical Society, Perkin Transactions 2, 347-353, 1989 | 23 | 1989 |
The gem-dimethyl effect on reactivities in cyclizations through tetrahedral intermediates. Cyclization of methyl-substituted methyl amides of 5-(p-nitrophenyl) hydantoic acids GPAJK Koedjikov, AH, Blagoeva, IB J. Chem. Soc. Perkin Trans 2, 2479 - 2487, 1996 | 18 | 1996 |
Alkaline hydrolysis of hydantoin, 3-methylhydantoin, and 1-acetyl-3-methylurea. Effect of ring size on the cleavage of acylureas IB Blagoeva, IG Pojarlieff, VS Dimitrov Journal of the Chemical Society, Perkin Transactions 2, 887-892, 1978 | 17 | 1978 |
BETA-UREIDO ACIDS AND DIHYDROURACILES. 11. LINEAR FREE ENERGY STERIC STRAIN-ENERGY RELATIONSHIPS FOR THE GEM-DIMETHYL EFFECT-ACID-CATALYZED RING-CLOSURE OF METHYL-SUBSTITUTED 3 … IB Blagoeva, BJ Kurtev, IG Pojarlieff JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1115-1122, 1979 | 16 | 1979 |
Kinetics of cyclization of 3-ureidopropionic acid to dihydrouracil in hydrochloric acid IG Pojarlieff Tetrahedron 23 (11), 4307-4315, 1967 | 14 | 1967 |
Structure‐Activity Relationship in the Urokinase Hydrolysis of α‐N‐Acetyl‐l‐lysine Anilides D PETKOV, E CHRISTOVA, I POJARLIEFF, N STAMBOLIEVA European Journal of Biochemistry 51 (1), 25-32, 1975 | 13 | 1975 |
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 … PM Ivanov, IG Pojarlieff, IB Blagoeva, C Jaime, VT Angelova, ... Journal of physical organic chemistry 17 (5), 423-430, 2004 | 12 | 2004 |
On the disappearance of the gem-dimethyl effect: the base-catalysed cyclization of ethyl hydantoates IB Blagoeva, AJ Kirby, IG Pojarlieff Journal of the Chemical Society, Perkin Transactions 2, 2289-2298, 1998 | 12 | 1998 |
1H NMR spectra and structure of safranines. Hindered rotation of the 3-dialkylamino group in 7-azo derivatives LI Proevska, IG Pojarlieff Dyes and pigments 36 (2), 177-190, 1998 | 11 | 1998 |
Effect of allylic strain on the conformations of diphenyl‐substituted tetrahydro‐1, 3‐oxazin‐2‐ones and hexahydropyrimidin‐2‐ones BJ Kurtev, MJ Lyapova, SM Mishev, OG Nakova, AS Orahovatz, ... Organic Magnetic Resonance 21 (5), 334-338, 1983 | 11 | 1983 |
Conformational energy analysis of substituted diphenylethanes: Part II. Empirical energy calculations on stilbene dihalogenides P Ivanov, I Pojarlieff Journal of Molecular Structure 38, 259-267, 1977 | 11 | 1977 |
The role of micelles of multiblock copolymers of ethylene oxide and propylene oxide in ion transport during acid bright copper electrodeposition N Tabakova, I Pojarlieff, V Mircheva, J Stejskal Macromolecular Symposia 212 (1), 467-472, 2004 | 10 | 2004 |
Kinetics and mechanism of the cyclization of ω-(p-nitrophenyl)-hydantoic acid amides: steric hindrance to proton transfer causes a 10 4-fold change in rate VT Angelova, AJ Kirby, AH Koedjikov, IG Pojarlieff Organic & biomolecular chemistry 1 (5), 859-865, 2003 | 10 | 2003 |
Preparation and rates of alkaline hydrolysis of cis- and trans-5,6-tetramethylenedihydrouracils BJK I.G. Pojarlieff, R. Z. Mitova-Chernaeva, I. B. Blagoeva CR Acad. Bulg. Sci 21 (2), 131, 1968 | 10* | 1968 |