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Thermodynamic basicity vs. kinetic basicity of diazoles (imidazoles and pyrazoles)

✍ Scribed by Chen, Lin Zhi; Flammang, Robert; Maquestiau, Andre; Taft, Robert W.; Catalan, Javier; Cabildo, Pilar; Claramunt, Rosa M.; Elguero, Jose


Book ID
120523717
Publisher
American Chemical Society
Year
1991
Tongue
English
Weight
521 KB
Volume
56
Category
Article
ISSN
0022-3263

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Basicity of azoles: complexes of diiodin
✍ M. J. El Ghomari; R. Mokhlisse; C. Laurence; J.-Y. Le Questel; M. Berthelot πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 123 KB πŸ‘ 1 views

The diiodine basicity (a soft Lewis basicity) of 15 azoles (imidazoles, pyrazoles and triazoles) was measured by means of the formation constant of the diiodine-azole complexes in heptane at 298 K. The preferred sites of diiodine fixation are the nitrogens N-3 in imidazoles, N-2 in pyrazoles and N-4