Collect. Czech. Chem. Commun.
2002, 67, 1790-1804
https://doi.org/10.1135/cccc20021790
Steric Hindrance in the Solute-Solvent Interactions of 2-Substituted 4,5-Dimethoxypyridazin-3(2H)-ones: An Infrared Spectral and Theoretical Study
Mária Šamalíkováa, Alexander Perjéssya,*, Quing Liub, Dušan Loosa, Václav Konečnýc, Heinz Dehned, Siegmar Sokolowskid and Zora Šustekováa
a Department of Organic Chemistry and Institute of Chemistry, Faculty of Natural Sciences, Comenius University, SK-842 15 Bratislava, Slovak Republic
b Center of Analysis and Measurements, Zhejiang University, CN-310027 Hangzhou, P. R. China
c Fytochem c.o., SK-821 02 Bratislava, Slovak Republic
d Department of Organic Chemistry, Faculty of Mathematics and Natural Sciences, University of Rostock, D-18051 Rostock, Germany
Individual author index pages
- Mária Šamalíková
- Alexander Perjéssy
- Quing Liu
- Dušan Loos
- Václav Konečný
- Heinz Dehne
- Siegmar Sokolowski
- Zora Šusteková
Other CCCC articles of these authors
- Ivica Sigmundová, Pavol Zahradník* and Dušan Loos
Synthesis and Study of Novel Benzothiazole Derivatives with Potential Nonlinear Optical Properties
2007, Vol. 72, Issue 8, pp. 1069–1093 [Abstract] - Wolf-Dieter Rudorf*, Dušan Loos, Joanna Wybraniec, Naďa Prónayová, Ryszard Gawinecki and Zora Šusteková
Isopropyl N-Arylmalonamates. Synthesis, Structure, Conformation and Reactions with Carbon Disulfide
2006, Vol. 71, Issue 1, pp. 59–76 [Abstract] - Václav Konečný, Jozefína Žúžiová, Štefan Kováč and Tibor Liptaj
Synthesis of Novel 4-Amino-5-(disubstituted amino)-2-phenyl-2H-pyridazin-3-ones
1997, Vol. 62, Issue 5, pp. 800–808 [Abstract] - Václav Konečný and Štefan Kováč
A New Electrophilic Rearrangement
1996, Vol. 61, Issue 3, pp. 437–441 [Abstract] - Katarína Kráľová, Dušan Loos and Jozef Čižmárik
Quantitative Relationships Between Inhibition of Photosynthesis and Lipophilicity of Piperidinoethyl Alkoxyphenylcarbamates
1994, Vol. 59, Issue 10, pp. 2293–2302 [Abstract] - Štefan Baláž, Ernest Šturdík, Regina Ujhelyová, Dušan Valigura, Michal Uher, Miroslav Veverka, Václav Konečný, Jana Adamcová, Peter Michalík and Július Brtko
Biologically Important Physicochemical Properties of Kojic Acid Derivatives
1993, Vol. 58, Issue 3, pp. 693–701 [Abstract] - Alžbeta Krutošíková, Miloslava Dandárová and Václav Konečný
Syntheses Starting from 2,6-Dialkylphenylhydrazines
1992, Vol. 57, Issue 8, pp. 1699–1706 [Abstract] - Martin Hans, Helmut Reinke, Thomas Schöffmann, Heinz Dehne and Bernhard Olk
Synthesis of 2-Alkyl-1-allyl-3-arylsulfonyl-isothioureas
1992, Vol. 57, Issue 8, pp. 1693–1698 [Abstract] - Alžbeta Krutošíková, Miloslava Dandárová and Václav Konečný
Synthesis of compounds related to 2,6-dialkylphenylhydrazines
1990, Vol. 55, Issue 11, pp. 2707–2714 [Abstract] - Viktor Vrábel, Eleonóra Kellö, Jan Lokaj and Václav Konečný
Crystal structure of N-(2,6-dimethylphenyl)chloromaleinimide
1989, Vol. 54, Issue 9, pp. 2408–2414 [Abstract] - Alexander Perjéssy, Aida Avetisovna Avetisyan, Anna Alexandrovna Aknazaryan and Gagik Surenovich Melikyan
Preparation of 3-cyano-4-(R-vinyl)-5,5-dimethyl-Δ3-butenolides and substituent effects on their infrared spectra
1989, Vol. 54, Issue 6, pp. 1666–1674 [Abstract] - Milan Struhárik, Pavel Hrnčiar and Dušan Loos
Kinetics of alkaline hydrolysis of mono- and dimethyl esters of 2,3- and 3,4-thiophenedicarboxylic acids, cyanothiophenecarboxylic acids and their dihydroanalogues
1987, Vol. 52, Issue 8, pp. 2005–2018 [Abstract] - Viktor Vrábel, František Pavelčík, Eleonóra Kellö, Stanislav Miertuš, Václav Konečný and Jan Lokaj
The crystal and electron structure of O-(2-chloroethyl)-O-isobutyl-O-(2-phenyl-4-methylthio-3-oxo-2H-pyridazine-5-yl) thiophosphate
1987, Vol. 52, Issue 3, pp. 696–706 [Abstract] - Eleonóra Kellö, Viktor Kettman, Stanislav Miertuš, Viktor Vrábel and Václav Konečný
The crystal and electron structure of 3-benzylbenzothiazolium bromide
1986, Vol. 51, Issue 9, pp. 1864–1873 [Abstract] - Jaroslav Leška, Eugen Németh and Dušan Loos
A quantum-chemical study of dehydration of ortho forms of formaldehyde and formic acid
1986, Vol. 51, Issue 9, pp. 1819–1833 [Abstract] - Alexander Perjéssy, Danuta Rasala, Piotr Tomasik and Ryszard Gawinecki
The wavenumbers of NO2 stretching vibrations and transmission of substituent effects in 2- and 4-substituted 3-nitropyridine series
1985, Vol. 50, Issue 11, pp. 2443–2452 [Abstract] - Viktor Vrábel, František Pavelčík, Eleonóra Kellö, Stanislav Miertuš, Václav Konečný and Jan Lokaj
The crystal and electron structure of N-(2,2,2-trichloro-1-morpholino-ethyl) formamide
1985, Vol. 50, Issue 8, pp. 1619–1628 [Abstract] - Alexander Perjéssy and Eva Sidóová
Wavenumbers of C=O valence vibrations of endo-bicyclo[2.2.1]hept-5-ene-2,3-dicarboximides
1985, Vol. 50, Issue 7, pp. 1478–1483 [Abstract] - Alexander Perjéssy, Manfred Augustin and Manfred Köhler
The wavenumbers of C=O stretching vibrations of maleinimides
1985, Vol. 50, Issue 6, pp. 1305–1311 [Abstract] - Václav Konečný, Štefan Kováč and Štefan Varkonda
Synthesis, spectral properties, and pesticidal activity of 4-amino(alkylamino, dialkylamino)-5-chloro-2-substituted-3-oxo-2H-pyridazines and 5-amino(alkylamino, dialkylamino)-4-chloro-2-substituted-3-oxo-2H-pyridazines
1985, Vol. 50, Issue 2, pp. 492–502 [Abstract] - Jaroslav Leška and Dušan Loos
A theoretical scheme of annulenes aromaticity
1984, Vol. 49, Issue 4, pp. 920–935 [Abstract] - Alexander Perjéssy and Štefan Toma
Substituent effect on wave numbers of C=O valence vibrations in ferrocene derivatives
1983, Vol. 48, Issue 6, pp. 1635–1646 [Abstract] - Alexander Perjéssy, Pavol Hrnčiar and Ján Šraga
Infrared spectra and substituent effects in 2-(3-, and 4-substituted phenylmethylene)-1,3-cycloheptanediones
1983, Vol. 48, Issue 2, pp. 586–595 [Abstract] - Drahomír Oktavec, Bohumil Síleš, Ján Remeň, Václav Konečný and Ján Garaj
Extraction of dithiocarbamic acids from solutions of their salts
1982, Vol. 47, Issue 11, pp. 2876–2881 [Abstract] - Drahomír Oktavec, Jozef Štefanec, Bohumil Síleš, Ernest Beinrohr, Václav Konečný and Ján Garaj
The electronic spectra of the bis(dithiocarbamate) chelates of Cu(II) and Zn(II)
1982, Vol. 47, Issue 11, pp. 2867–2875 [Abstract] - Dušan Loos and Jaroslav Leška
Theoretical study of annulenes structure [14], [16] and [18] annulenes
1982, Vol. 47, Issue 6, pp. 1705–1720 [Abstract] - Alexander Perjéssy
Substituent effects in 1,3-indanediones
1982, Vol. 47, Issue 5, pp. 1486–1493 [Abstract] - Václav Konečný and Štefan Varkonda
Synthesis, spectral properties and pesticide effect of pyridazinyl-4-oxy-1,3,2-dioxaphospholane-2-thione and 1,3,2-dioxaphosphorinane-2-thiones
1980, Vol. 45, Issue 8, pp. 2343–2350 [Abstract] - Václav Konečný, Štefan Varkonda and Vojtech Kubala
Syntheses, spectral properties and pesticide activity of O-ethyl-S-propyl-O-(1-alkyl, phenyl-5-chloro, alkoxy-6-oxo-1H-pyridazine-4-yl)esters of dithiophosphoric acid
1980, Vol. 45, Issue 8, pp. 2247–2253 [Abstract] - Dušan Loos and Jaroslav Leška
Theoretical study of [10] and [12]annulenes
1980, Vol. 45, Issue 1, pp. 187–200 [Abstract] - Katarína Špirková, Jaroslav Kováč, Václav Konečný, Miloslava Dandárová and Marta Černayová
Synthesis and reactions of alkyl 3-bromomethyl-3-(2-furyl)-2-propenoates with sulfur containing nucleophiles
1980, Vol. 45, Issue 1, pp. 142–149 [Abstract] - Štefan Kováč and Václav Konečný
Spectral properties and intramolecular hydrogen bonding in 1-methyl(phenyl)-4(5)-substituted 6-oxo-1H-pyridazin-4(5)-ols
1980, Vol. 45, Issue 1, pp. 127–134 [Abstract] - Alexander Perjéssy, Peter Temkovitz and David W. Boykin, Jr.
The C=O stretching vibration of aromaric α,β-unsaturated carbonyl and arylfurancarbonyl compounds
1979, Vol. 44, Issue 9, pp. 2832–2842 [Abstract] - Drahomír Oktavec, Jozef Štefanec, Bohumil Síleš, Václav Konečný and Ján Garaj
Electronic spectra of salts of dithiocarbamic acids
1979, Vol. 44, Issue 8, pp. 2487–2493 [Abstract] - Václav Konečný and Štefan Varkonda
The synthesis, spectral properties and pesticidal activity of O-(1-benzyl, cyclohexyl, methyl-5-ethoxy, methoxy, methylthio-6-oxo-1H-pyridazin-4-yl) esters of phosphoric, thiophosphoric and thiophosphonic acids
1979, Vol. 44, Issue 6, pp. 1761–1771 [Abstract] - Václav Konečný, Štefan Varkonda and Naďa Kulíčková
Synthesis, spectral properties and pesticidal activity of some O-(2,4,5-trichloro-6-bromo/iodo, nitro/phenyl) esters of carbamic and thiocarbamic acids
1979, Vol. 44, Issue 3, pp. 918–927 [Abstract] - Alžbeta Krutošíková, Václav Konečný and Jaroslav Kováč
O,O-Dialkyl thiophosphonohydrazones, S-methyl and S-benzyl dithiocarbohydrazones derived from 5-substituted-2-furaldehydes
1978, Vol. 43, Issue 10, pp. 2643–2648 [Abstract] - Václav Konečný, Štefan Varkonda, Ján Šustek and Štefan Kováč
Synthesis, spectral features and pesticide effect of some O-(5-ethylthio-1-methyl-6-oxo-1H-pyridazin-4-yl) phosphates, phosphorothioates and phosphonothioates
1978, Vol. 43, Issue 9, pp. 2415–2426 [Abstract] - Fridrich Gregáň, Alexander Perjéssy, Pavol Hrnčiar, Václav Konečný and Ľudovít Krasnec
Syntheses and spectral properties of O,O-disubstituted S-(5,6-dihydro-1,4-dithiine-2,3-dicarboximidomethyl)thiophosphates
1978, Vol. 43, Issue 4, pp. 1093–1099 [Abstract]