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The kinetics of the reaction of 6-substituted nicotinic acids and some p-substituted benzoic acids with diazodiphenylmethane in various alcohols
Kinetika reakcija 6-supstitutisanih nikotinskih kiselina i nekih p-supstituisanih benzoevih kiselina sa diazodifenilmetanom u različitim alkoholima
dc.creator | Drmanić, Saša | |
dc.creator | Jovanović, Bratislav Ž. | |
dc.creator | Misić-Vuković, Milica | |
dc.date.accessioned | 2021-03-10T09:51:27Z | |
dc.date.available | 2021-03-10T09:51:27Z | |
dc.date.issued | 2000 | |
dc.identifier.issn | 0352-5139 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/291 | |
dc.description.abstract | 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 ρ values and solvent effects. Multiple correlations of the log k values for the reactions of 6-substituted nicotinic acids and p-substituted benzoic acids in 12 alcohols with groups of suitable solvent parameters are very successful. The transmission of electronic effects through the pyridine ring system in compared with that in benzene. | en |
dc.description.abstract | Određene su konstante brzine reakcije esterifikacije 6-supstituisanih nikotinskih kiselina sa supstituentima H, Cl, OH i CH3 kao i konstante brzine za 4-CH3 benzoevu kiselinu sa DDM na 30 ˚C u dvanaest alkoholnih rastvarača, korišćenjem poznate UV-spektrofotometrijske metode.Na osnovu dobijenih konstanti brzina reakcija nikotinskih kiselina i p-supstituisanih benzoevih kiselina, korišćenjem Hammett-ove jednačine određene su reakcione konstante ρ za obe serije jedinjenja i diskutovan je način prenošenja efekata supstituenata kroz piridinov i benzolov prsten. Višestrukom regresionom analizom uspostavljena je zadovoljavajuća zavisnost konstanti brzina reakcija kao i reakcione konstante ρ sa parametrima rastvarača kao što su: Kirkwood-ova funkcija relativne permitivnosti f(ε), Taftova σ* konstanta za alkil grupe alkohola i nγH koji predstavlja broj γ-vodonikovih atoma u alkoholu. | sr |
dc.publisher | Serbian Chemical Society, Belgrade | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | Journal of the Serbian Chemical Society | |
dc.subject | 6-substituted nicotinic acids | en |
dc.subject | protic solvents | en |
dc.subject | solvent parameters | en |
dc.subject | Hammett correlation | en |
dc.title | The kinetics of the reaction of 6-substituted nicotinic acids and some p-substituted benzoic acids with diazodiphenylmethane in various alcohols | en |
dc.title | Kinetika reakcija 6-supstitutisanih nikotinskih kiselina i nekih p-supstituisanih benzoevih kiselina sa diazodifenilmetanom u različitim alkoholima | sr |
dc.type | article | |
dc.rights.license | BY-NC-ND | |
dc.citation.epage | 490 | |
dc.citation.issue | 7 | |
dc.citation.other | 65(7): 481-490 | |
dc.citation.rank | M23 | |
dc.citation.spage | 481 | |
dc.citation.volume | 65 | |
dc.identifier.fulltext | http://TechnoRep.tmf.bg.ac.rs/bitstream/id/11139/0352-51390007481D.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_technorep_291 | |
dc.identifier.scopus | 2-s2.0-0034403130 | |
dc.identifier.wos | 000088450600003 | |
dc.type.version | publishedVersion |