Results 1 to 10 of about 221 (105)

Kinetics of the reaction of 5-substituted orotic acids with diazodiphenylmethane [PDF]

Journal of the Serbian Chemical Society, 2004
Rate konstants for the reaction of eight 5-substituted orotic acids with diazodiphenylmethane (DDM) in dimethylformamide (DMF) were determined at 30 ºC by the known spectrophotometricmethod.
Jovanović Bratislav Ž., Assaleh Fathi H., Marinković Aleksandar D.   +2 more
doaj   +6 more sources

The study of linear solvation energy relationship for the reactivity of carboxylic acids with diazodiphenylmethane in protic and aprotic solvents [PDF]

Journal of the Serbian Chemical Society, 2009
Solvent effects on the reactivity of cycloalkenecarboxylic, cycloalkeneacetic, 2-substituted cyclohex-1-enecarboxylic, 2-substituted benzoic, 2-substituted cyclohex-1-eneacetic, 2-substituted phenylacetic, 2-phenylcyclohex-1-enecarboxylic, 2 ...
JASMINA B. NIKOLIĆ, GORDANA S. UŠĆUMLIĆ   +1 more
doaj   +7 more sources

Effects of solvent and structure on the reactivity of 6-substituted nicotinic acids with diazodiphenylmethane in aprotic solvents [PDF]

Journal of the Serbian Chemical Society, 2009
The rate constants for the reactions of diazodiphenylmethane (DDM) with 6-substituted nicotinic acids in aprotic solvents at 30°C were determined. The obtained second order rate constants in aprotic solvents, together with literature data for benzoic and
Drmanić Saša Ž., Marinković Aleksandar D., Jovanović Bratislav Ž.   +2 more
doaj   +6 more sources

Investigations of the reactivity of pyridine carboxylic acids with diazodiphenylmethane in protic and aprotic solvents. [PDF]

Journal of the Serbian Chemical Society, 2005
Rate constants for the reaction of diazodiphenylmethane with isomeric pyridine carboxylic acids were determined in chosen protic and aprotic solvents at 30 °C, using the well known UV spectrophotometric method.
ALEKSANDAR D. MARINKOVIC, SASA Z. DRMANIC, BRATISLAV Z. JOVANOVIC, MILICA MISIC-VUKOVIC   +3 more
doaj   +2 more sources

The kinetics of the reactions of 2-substituted nicotinic acids with diazodiphenylmethane in various alcohols [PDF]

Journal of the Serbian Chemical Society, 2003
The rate constants of 2-substituted nicotinic acids in reaction with diazodiphenylmethane (DDM) in eight alcohols at 30ºC have been determined. In order to explain the obtained results through solvent effects, the second order reaction rate constants (k)
MILICA M. MISIC-VUKOVIC, ALEKSANDAR D. MARINKOVIC, BRATISLAV Z. JOVANOVIC, SASA Z. DRMANIC   +3 more
doaj   +5 more sources

The comparative study of linear solvatation energy relationship for the reactivity of pyridine carboxylic acids with diazodiphenylmethane in protic and aprotic solvents [PDF]

Journal of the Serbian Chemical Society, 2012
Protic and aprotic solvent effects on the reactivity of picolinic, nicotinic and isonicotinic acid, as well as of some substituted nicotinic acids with diazodiphenylmethane (DDM) were investigated.
Drmanić Saša Ž., Nikolić Jasmina B., Marinković Aleksandar D., Jovanović Bratislav Ž.   +3 more
doaj   +2 more sources

Substituent and structural effects on the kinetics of the reaction of N-(substituted phenylmethylene)-m- and -p-aminobenzoic acids with diazodiphenylmethane [PDF]

Journal of the Serbian Chemical Society, 2007
The rate constants for the reaction of twenty-two N-(substituted phenyl methylene)-m- and -p-aminobenzoic acids with diazodiphenylmethane were determined in absolute ethanol at 30 °C.
BRATISLAV Z. JOVANOVIC, ALEKSANDAR D. MARINKOVIC, ŽELJKO VITNIK, IVAN O. JURANIC   +3 more
doaj   +4 more sources

Kinetics and mechanism of the reaction of substituted 4-pyrimidine carboxylic acids with diazodiphenylmethane in dimethylformamide [PDF]

Journal of Chemical Research, 2000
Correlation of the data for the reaction of 11 substituted 4-pyrimidine carboxylic acids with diazodiphenylmethane (DDM) in dimethylformamide (DMF) with calculated atomic charges on the carboxylic group showed that the reaction in this solvent may ...
Juranić, Ivan, Mišić-Vuković, Milica, Jovanović, Bratislav, Vitnik, Željko, Brkić, Dominik, Ivan Juranić, Dominic Brkić, Milica Mišić-Vuković, Željko Vitnik, Bratislav Jovanović   +9 more
core   +2 more sources

The kinetics of the reaction of 6-substituted nicotinic acids and some p-substituted benzoic acids with diazodiphenylmethane in various alcohols [PDF]

Journal of the Serbian Chemical Society, 2000
Rate constants have been determined for the reactions of diazodiphenylmethane with a number of 6-substituted nicotinic acids and p-substituted benzoic acids in twelve alcohols. A comparative study was used to evaluate and compare the Hammett r values and
MILICA M. MISIC-VUKOVIC, BRATISLAV Z. JOVANOVIC, SASA Z. DRMANIC   +2 more
doaj   +3 more sources

Acid-catalyzed decomposition of diazodiphenylmethane in dimethylsulfoxide

Canadian Journal of Chemistry, 1999
Acid-catalyzed decomposition of diazodiphenylmethane (DDM) has been studied in DMSO containing varying amounts of water. The reaction was found to be first-order in DDM and first-order in acid.
Robert Eliason
core   +2 more sources