About: Effect of some pyridinium based compounds on the hydrolysis of carboxylate ester

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://nopr.niscair.res.in/bitstream/123456789/13828/1/IJCB%2051B%284%29%20611-616.pdf
Description	Nucleophilic reactivity of some pyridinium based compounds towards hydrolysis of p-nitrophenyl acetate (PNPA) has been studied at pH 9.0 and temperature 27º C. The nucleophilic reactivity of newly synthesized pyridinium compounds has been compared with commercially available pyridinium based compounds such as pralidoxime and dodecylpyridinium bromide. It has been observed that with an increase in the concentration of these compounds there is an increase in the first order rate constant of the reaction. The apparent acid dissociation constant (pKa) of some compounds have also been determined spectrophotometrically. Oximate ions released from 3-hydroxyiminomethyl-1-dodecylpyridinium bromide (3-HIDDPB) and pralidoxime have proved to be better nucleophilic agents for cleavage of carboxylate ester. Present investigation explores the structure-activity relationship of some pyridinium based compounds with same alkyl tail length. Nucleophilic reactivity of some pyridinium based compounds towards hydrolysis of p-nitrophenyl acetate (PNPA) has been studied at pH 9.0 and temperature 27º C. The nucleophilic reactivity of newly synthesized pyridinium compounds has been compared with commercially available pyridinium based compounds such as pralidoxime and dodecylpyridinium bromide. It has been observed that with an increase in the concentration of these compounds there is an increase in the first order rate constant of the reaction. The apparent acid dissociation constant (pKa) of some compounds have also been determined spectrophotometrically. Oximate ions released from 3-hydroxyiminomethyl-1-dodecylpyridinium bromide (3-HIDDPB) and pralidoxime have proved to be better nucleophilic agents for cleavage of carboxylate ester. Present investigation explores the structure-activity relationship of some pyridinium based compounds with same alkyl tail length. (en)
Title	Effect of some pyridinium based compounds on the hydrolysis of carboxylate ester Effect of some pyridinium based compounds on the hydrolysis of carboxylate ester (en)
skos:prefLabel	Effect of some pyridinium based compounds on the hydrolysis of carboxylate ester Effect of some pyridinium based compounds on the hydrolysis of carboxylate ester (en)
skos:notation	RIV/60162694:G44__/12:43874658!RIV13-MO0-G44_____
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(OVUOFVZ200803)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kuča, Kamil Marek, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ministerstvo obrany / Univerzita obrany - Fakulta vojenského zdravotnictví Hradec Králové
http://linked.open...dnocenehoVysledku	133270
http://linked.open...ai/riv/idVysledku	RIV/60162694:G44__/12:43874658
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	acid dissociation constant; oximes; hydrolysis; nucleophilic reactivity; Pyridinium compounds (en)
http://linked.open.../riv/klicoveSlovo	oximes hydrolysis Pyridinium compounds acid dissociation constant nucleophilic reactivity
http://linked.open...odStatuVydavatele	IN - Indická republika
http://linked.open...ontrolniKodProRIV	[4FEC29357B6C]
http://linked.open...i/riv/nazevZdroje	Indian Journal of Chemistry Section B
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Development of novel decontaminants and disinfectants of skin based on micellar compounds
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	51
http://linked.open...iv/tvurceVysledku	Kuča, Kamil Marek, Jan Ghosh, Kallol K Singh, Namrata
http://linked.open...ain/vavai/riv/wos	000303304700002
issn	0376-4699
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	G44

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