Basicity of Phenyl-Substituted 1,3-Oxazoles View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2001-03

AUTHORS

R. E. Trifonov, V. A. Ostrovskii

ABSTRACT

Phenyl substituents in positions 2, 4, and 5 of the oxazole ring exert different effects on the electronic structure of the heteroring, which are reflected in the basicity constants of isomeric phenyl-substituted oxazoles and in changes of the spectral patterns on protonation. The calculated (AM1) gas-phase proton affinities and energies of ionization of isomeric methyl-, phenyl-, and methylphenyloxazoles were correlated with the experimental pKBH+ values. In acid medium specific solvation of phenyloxazoles is possible with participation of the heterocyclic fragment. More... »

PAGES

416-420

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/a:1012496827820

DOI

http://dx.doi.org/10.1023/a:1012496827820

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1023598050


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