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- W2029973847 abstract "In the absence of metal ions, the hydrolysis of 2-methyl-8-acetoxyquinoline and of 5-chloro-8-acetoxyquinoline follow the same reaction paths as those of the parent ester 8-acetoxyquinoline, including an intramolecular catalysis by the quinoline nitrogen. Unlike the hydrolysis of the other esters, that of the 2-methyl compound appears not to be catalysed by metal ions, and this is consistent with the view that catalysis by a metal ion involves the formation of a 7-membered chelate structure. In Abwesenheit von Metallionen verläuft die Hydrolyse von 2-Methyl-8-acetoxychinolin und von 5-Chlor-8-acetoxychinolin ebenso wie die des zugrundeliegenden Esters 8-Acetoxychinolin über eine intramolekulare Katalyse durch den Chinolinstickstoff. Anders als die Hydrolyse der übrigen Ester wird die des 2-Methylderivats offenbar nicht durch Metallionen katalysiert. Dies stimmt mit der Auffassung überein, daß die Metallionenkatalyse die Bildung einer 7-gliedrigen Chelatstruktur einschließt. En l'absence d'ions métalliques, l'hydrolyse de la 2-méthyl 8-acétoxyquinoléine et de la 5-chloro 8-acétoxyquinoléine suit le même processus réactionnel que l'ester apparenté 8-acétoxyquinoléine, incluant une catalyse intramoléculaire par l'azote quinoléique. A l'opposé de l'hydrolyse des autres esters, celle du composé 2-méthylé apparaît ne pas être catalysée par les ions métalliques, et ceci est en accord avec la conception que la catalyse par un ion métallique implique la formation d'une structure chélatée heptagonale." @default.
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- W2029973847 date "1970-02-01" @default.
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- W2029973847 title "Hydrolysis of substituted 8-acetoxyquinolines" @default.
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- W2029973847 doi "https://doi.org/10.1016/0039-9140(70)80123-0" @default.
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