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Specific nucleophile–electrophile interactions in nucleophilic aromatic substitutions
(2013)
Rodrigo Ormazábal-Toledo
;
Renato Contreras
;
Ricardo A. Tapia
;
CAMPODONICO GALDAMES, PAOLA ROSSANA
Scopus© Citations 30
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How the Nature of an Alpha-Nucleophile Determines a Brønsted Type-Plot and Its Reaction Pathways. An Experimental Study
(2022)
CAMPODONICO GALDAMES, PAOLA ROSSANA
;
Ricardo A. Tapia
;
Cristian Suárez-Rozas
<jats:p>The reactions between 2-chloro-5-nitro pyrimidine with a serie of α-nucleophile derivatives were kinetically evaluated. The kinetic study was carried out in aqueous media and the data shown an unusual split on the Brønsted type-plot, opening a controversial discussion based on reactivities and possible reaction pathways. These split Brønsted type-plots are discussed over the hypothetical transition state (TS) structures associated to concerted or stepwise mechanisms with emphasis on hydrogen bond interactions between electrophile/nucleophile pair able to determine the reactivities and the plausible reaction routes.</jats:p>
15Scopus© Citations 1
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Mechanistic pathways of aromatic nucleophilic substitution in conventional solvents and ionic liquids
(2014)
Marcela Gazitúa
;
Ricardo A. Tapia
;
Renato Contreras
;
CAMPODONICO GALDAMES, PAOLA ROSSANA
<p>Solvation effects on the reaction mechanism for nucleophilic substitution reactions have been kinetically evaluated in conventional solvents and ionic liquids.</p>
1Scopus© Citations 44

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