About: Functionalized surfactant mediated reactions of carboxylate, phosphate and sulphonate esters

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Nucleophilic reactivity of some functionalized surfactants, i.e. quaternary pyridinium aldoximes towards the hydrolysis of p-nitrophenyl acetate (PNPA), p-nitrophenyl benzoate (PNPB), p-nitrophenyldiphenyl phosphate (PNPDPP) and p-nitrophenyl p-toluene sulphonate (PNPTS) has been studied at pH 7.1 and 27 -C. Addition of functionalized surfactant to reaction medium causes progressive increase in the rate of hydrolysis and reaches a maximum and then decreases due to further addition of surfactant. An increase in the alkyl chain length of functionalized surfactants resulted in an increase in the first-order rate constant. The apparent pKa and cmc of functionalized surfactants have also been determined by spectrophotometric and conductometric methods, respectively. Nucleophilic reactivity of some functionalized surfactants, i.e. quaternary pyridinium aldoximes towards the hydrolysis of p-nitrophenyl acetate (PNPA), p-nitrophenyl benzoate (PNPB), p-nitrophenyldiphenyl phosphate (PNPDPP) and p-nitrophenyl p-toluene sulphonate (PNPTS) has been studied at pH 7.1 and 27 -C. Addition of functionalized surfactant to reaction medium causes progressive increase in the rate of hydrolysis and reaches a maximum and then decreases due to further addition of surfactant. An increase in the alkyl chain length of functionalized surfactants resulted in an increase in the first-order rate constant. The apparent pKa and cmc of functionalized surfactants have also been determined by spectrophotometric and conductometric methods, respectively. (en)
Title	Functionalized surfactant mediated reactions of carboxylate, phosphate and sulphonate esters Functionalized surfactant mediated reactions of carboxylate, phosphate and sulphonate esters (en)
skos:prefLabel	Functionalized surfactant mediated reactions of carboxylate, phosphate and sulphonate esters Functionalized surfactant mediated reactions of carboxylate, phosphate and sulphonate esters (en)
skos:notation	RIV/60162694:G44__/10:00002337!RIV11-MO0-G44_____
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(OVUOFVZ200803)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2011
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	259947
http://linked.open...ai/riv/idVysledku	RIV/60162694:G44__/10:00002337
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	functionalized surfactants; kinetics; micelles; pyridinium aldoximes (en)
http://linked.open.../riv/klicoveSlovo	kinetics micelles functionalized surfactants pyridinium aldoximes
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[2BD36D7069B7]
http://linked.open...i/riv/nazevZdroje	Journal of Physical Organic Chemistry
http://linked.open...in/vavai/riv/obor	FP
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	2010
http://linked.open...v/svazekPeriodika	23
http://linked.open...iv/tvurceVysledku	Kuča, Kamil Marek, Jan Ghosh, KK Tiwari, S.
http://linked.open...ain/vavai/riv/wos	000278636900007
issn	0894-3230
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	G44

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