J
Julian M. Dust
Researcher at Memorial University of Newfoundland
Publications - 23
Citations - 334
Julian M. Dust is an academic researcher from Memorial University of Newfoundland. The author has contributed to research in topics: Nucleophilic substitution & Reactivity (chemistry). The author has an hindex of 11, co-authored 23 publications receiving 306 citations. Previous affiliations of Julian M. Dust include Centre national de la recherche scientifique & Royal Military College of Canada.
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Mayr electrophilicity predicts the dual Diels–Alder and σ-adduct formation behaviour of heteroaromatic super-electrophiles
TL;DR: It is shown that Mayr E values are valid predictors of whether DA adducts will form and how rapidly, and pointing to a common origin for the two processes, i.e. an inverse relationship between the degree of aromaticity of the carbocyclic ring and ease of sigma complexation, or DA reactivity.
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Mechanistic Assessment of SNAr Displacement of Halides from 1-Halo-2,4-dinitrobenzenes by Selected Primary and Secondary Amines: Brønsted and Mayr Analyses
TL;DR: Pseudo-first-order rate constants have been measured spectrophotometrically for nucleophilic substitution reactions of 1-X-2,4-dinitrobenzenes with various primary and secondary amines in MeCN and H(2)O and Kinetic data were also analyzed in terms of the Mayr nucleophilicity parameter for the amines with each aromatic substrate.
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Water and hydroxide ion pathways in the σ-complexation of superelectrophilic 2-aryl-4,6-dinitrobenzotriazole 1-oxides in aqueous solution. A kinetic and thermodynamic study
Taoufik Boubaker,Alain Pierre Chatrousse,François Terrier,Bahoueddine Tangour,Julian M. Dust,Erwin Buncel +5 more
TL;DR: In this paper, a kinetic and thermodynamic study of σ-complexation for a series of 2-aryl-4,6 -dinitrobenzotriazole 1-oxides (3a-e) over a large pH range in aqueous solution is presented.
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Dual super-electrophilic and Diels–Alder reactivity of neutral 10π heteroaromatic substrates
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Spirooxazine to Merooxazine Interconversion in the Presence and Absence of Zinc: Approach to a Bistable Photochemical Switch
Zhiyuan Tian,Robert A. Stairs,Martin Wyer,Nicholas Mosey,Julian M. Dust,Thomas M. Kraft,Erwin Buncel +6 more
TL;DR: Kinetic analysis showed that thermal reversion with zinc is retarded more than 13-fold, significantly improving bistability and introduction of zinc to the spironaphthoxazine-merooxazine (SO-MO) system resulted in a new absorption band readily distinguishable from the bands arising from spirooxazine and merooxazine.