Search Results - "Volke, Jiří"

1,2,4,6-Substituted Pyridinium Derivatives-Synthesis and Properties by Urban, Jiří, Volke, Jiří

“…In relation to the investigation of their electrochemical properties we prepared 24 pyridinium derivatives ( I , IV , V , VI , VII ) with alkyl and aryl…”
Get full text

Electrochemical properties of electrode coatings containing highly oxidatively active platinum oxides by HLAVATY, J, VOLKE, J

“…By time-programmed anodic and cathodic polarization (galvanostatic conditions and undivided cell) chemically stable coatings of hydrated higher valency…”
Get full text

Electrolytic coatings (layers) deposited from palladium(II) salts by HLAVATY, J, VOLKE, J

“…In contrast to a number of investigations concerning preparation of layers and coatings of palladium(II) oxides this communication describes a reproducible…”
Get full text

Anodic oxidation of o-toluenesulphonamide to saccharine on a NiO(OH)-coated nickel anode by Hlavat, Jarom r, Bakos, Viktor, Volke, Ji?

Get full text

Use of Nafion membranes in laboratory organic electrosynthesis by HLAVATY, J, VOLKE, J

“…Electrolysis of quaternary ammonium bromides and iodides in a divided cell with a Nafion membrane yields quaternary polyhalogenides at a carbon anode in…”
Get full text

Electrochemical reduction of 2,2'-dinitrophenyl ether and 2,2'-dinitrodiphenylamine at mercury cathodes by Hlavatý, Jaromír, Volke, Jiří, Bakos, Viktor

“…2,2'-Dinitrophenyl ether ( I ) is reduced at less negative potentials than 2,2'-dinitrodiphenylamine ( II ); the respective mechanism of their reduction differ…”
Get full text

Polarographic reduction of p-substituted 1-phenyl-3-aminocarbonylpyridinium salts by KRECHL, J, MIZANINOVA, D, VOLKE, J, KUTHAN, J

“…The substitution effect of different groups (H, NO 2 , COOH, Br, Cl, NHCOCH 3 , CH 3 , OCH 3 , OH, and N(C 2 H 5 ) 2 ) on the polarographic behaviour of p…”
Get full text

Polarographic reduction of 2-nitromethyl-4,4,6-trimethyl-3,5-dicyano-1,4-dihydropyridine and of its 4,4-spiroanalogues by Kuthan, Josef, Kurfürst, Antonín, Raclová, Františka, Volke, Jiří

“…The reduction of 2-nitromethyl substituted 1,4-dihydropyridines at a dropping mercury electrode and their electron absorption spectra were studied. The…”
Get full text

Polarographic reduction of 1-benzyl-N-(p-X-phenyl)-3-aminocarbonylpyridinium salts by KRECHL, J, BERANOVA, S, VOLKEOVA, V, VOLKE, J, KUTHAN, J

“…The substitution effect of different groups X (N(CH 2 CH 3 ) 2 , OH, OCH 3 , CH 3 , NHCOCH 3 , H, Cl, COOCH 2 CH 3 and NO 2 ) on the polarographic behaviour of…”
Get full text

Electrochemical reduction of 2,2'-dinitrodiphenylmethane and 2,2'-dinitrobenzophenone at mercury electrodes by Voigtländer, Rolf, Hlavatý, Jaromír, Volke, Jiří, Bakos, Viktor

“…The last two compounds in a 5-membered series of aromatic dinitro compounds are reduced in a completely different manner at mercury electrodes…”
Get full text

Electrochemical investigation of radical-anion reactions of 5-nitro-2-furfuryl derivatives by KLIMA, J, PROUSEK, J, LUDVIK, J, VOLKE, J

“…In the studies on nucleophilic substitution of 5-nitro-2-furfuryl derivatives the function of nucleophilic agent was substituted by electrolysis. The…”
Get full text

Stability of radical anions derived from substituted 5-nitrofurans investigated by ESR spectroscopy by KLIMA, J, BAUMANE, L, STRADINS, J, VOLKE, J, GAVARS, R

“…It has been found that the decay in dimethylformamide and dimethylformamide-water mixtures of radical anions in five of the investigated 5-nitrofurans is…”
Get full text

Products of the acid hydrolysis of 7-chloro-1,3-dihydro-3-hydroxy-5-phenyl-2H-1,4-benzodiazepin-2-one (oxazepam) by Gasparič, Jiří, Zimák, Jiří, Sedmera, Petr, Breberová, Zdeňka, Volke, Jiří

“…The acid hydrolysis of oxazepam ( Ib ) was studied. Under various reaction conditions 6-chloro-4-phenylquinazoline-2-carbaldehyde ( V ) and the compounds VI…”
Get full text