Zobrazeno 1 - 10
of 17
pro vyhledávání: '"GORDANA S. USCUMLIC"'
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 12, Pp 1217-1227 (2007)
The rate constants for the reaction of 2-substituted cyclohex-1-enylcarboxylic acids and the corresponding 2-substituted benzoic acids with diazodiphenyl methane were determined in various aprotic solvents at 30 ºC. In order to explain the kinetic r
Externí odkaz:
https://doaj.org/article/4b56009b69524818948a8b56a6a87a64
Publikováno v:
Journal of the Serbian Chemical Society, Vol 71, Iss 5, Pp 445-458 (2006)
A series of 1,3,5-trisubstituted isocyanurates (substituents: CH2CH2OH, CH2CH=CH2 and CH2CH2COOH) was synthesized according to a modified literature procedure. Experimental investigations included modification of the synthetic procedure in terms of t
Externí odkaz:
https://doaj.org/article/035b0dbf2d084c50b8708dea89b98023
Publikováno v:
Journal of the Serbian Chemical Society, Vol 69, Iss 8-9, Pp 601-610 (2004)
The rate constants for the reaction of diazodiphenylmethane with 2-(2-substituted cyclohex-1-enyl)acetic acids and 2-(2-substituted phenyl)acetic acids, previously determined in seven hydroxylic solvents, were correlated using the total solvatochromi
Externí odkaz:
https://doaj.org/article/b8e2ee92a8164550b86da321c9ec7489
Publikováno v:
Journal of the Serbian Chemical Society, Vol 68, Iss 10, Pp 699-706 (2003)
A series of 1,3-bis-substituted-5,5-dimethylhydantoins was synthesized using the reaction of 5,5-dimethylhydantoin with the corresponding alkyl halide in the presence of trimethylamine as catalyst and sodium hydroxide, according to a modified literat
Externí odkaz:
https://doaj.org/article/8f0f4461989c4eb4a88e1978c6eb63d7
Publikováno v:
Journal of the Serbian Chemical Society, Vol 68, Iss 7, Pp 525-534 (2003)
The principle of linear free energy relationships was applied to the 1H chemical shifts of the b-vinyl proton atoms of 3-methylene-2-substituted-1,4-pentadienes. The correlations of the proton chemical shifts with Swain and Lupton substituent paramet
Externí odkaz:
https://doaj.org/article/359ba98a2ed649a093469b8879169629
Autor:
IVAN O. JURANIC, ARMIN DE MEIJERE, GORDANA S. USCUMLIC, SERGEI I. KOZHUSHKOV, ZELJKO VITNIK, NATASA V. VALENTIC
Publikováno v:
Journal of the Serbian Chemical Society, Vol 68, Iss 2, Pp 67-76 (2003)
The principles of linear free energy relationships were applied to the 13C substituent chemical shifts (SCS) of the carbon atoms in the unsaturated chain of 3-methylene-4-substituted-1,4-pentadienes. Correlations of the SCS with the substituent param
Externí odkaz:
https://doaj.org/article/a30bd8edaad74bfcac41dc3f37a709d8
Publikováno v:
Journal of the Serbian Chemical Society, Vol 67, Iss 2, Pp 77-85 (2002)
The rate constants for the reaction of diazodiphenylmethane with 1-cyclopentenecarboxylic, 1-cycloheptenecarboxylic, cyclopent-1-enylacetic and cyclohept-1-enylacetic acids were determined in eight alcohols at 30°C using the appropriate UV-spectrosc
Externí odkaz:
https://doaj.org/article/ed49f6b0ea9347a08b4e118c2c52d21a
Publikováno v:
Journal of the Serbian Chemical Society, Vol 66, Iss 8, Pp 507-516 (2001)
A number of 5-substituted-4-methyl-3-cyano-6-hydroxy-2-pyridones from cyanoacetamide and the corresponding alkyl ethyl acetoacetates were synthesized according to modified literature procedures. The alkyl ethyl acetoacetates were obtained by the reac
Externí odkaz:
https://doaj.org/article/16f21a12eb2b4d978157a75e9c21abf3
Publikováno v:
Journal of the Serbian Chemical Society, Vol 65, Iss 12, Pp 839-846 (2000)
Rate constants for the reaction of diazodiphenylmethane with cyclohex-1-enylcarboxylic acid and 2-methylcyclohex-1-enylcarboxylic acid were determined in nine aprotic solvents, as well as in seven protic solvents, at 30°C using the appropriate UV-sp
Externí odkaz:
https://doaj.org/article/7989fa0b0d39471eacdd4b7b11545615
Publikováno v:
Journal of the Serbian Chemical Society, Vol 65, Iss 5-6, Pp 353-359 (2000)
The ultraviolet absorption spectra of cyclohex-1-enylcarboxylic acid and 2-methylcyclohex-1-enylcarboxylic acid were determined in six protic and nine aprotic solvents in the wavelength range from 200 to 400 nm. The position of the lmax of the two ex
Externí odkaz:
https://doaj.org/article/4a594a339fe8454c9a2c92cefaadc3ed