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Investigation of the mechanism of the recyclization of furans to thiophenes and selenophenes under acid-catalysis conditions. 3. Investigation of the recyclization of homologs and functional derivatives of furan. Quantum-chemical calculations of the objects of the recyclization

✍ Scribed by T. I. Gubina; V. I. Labunskaya; A. N. Pankratov; S. A. Trushin; V. G. Kharchenko

Publisher
Springer US
Year
1993
Tongue
English
Weight
412 KB
Volume
29
Category
Article
ISSN
0009-3122

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πŸ“œ SIMILAR VOLUMES

Mechanism of recyclization of furans to
Mechanism of recyclization of furans to thiophenes and selenophenes under acid-catalysis conditions. 2. Kinetic investigations of the reaction of 2,5-dialkylfurans with hydrogen sulfide and hydrogen selenide in an anhydrous medium
✍ S. P. Voronin; T. I. Gubina; S. A. Trushin; I. A. Markushina; V. G. Kharchenko πŸ“‚ Article πŸ“… 1989 πŸ› Springer US 🌐 English βš– 395 KB

The effect of the concentration of the acidic component on the rates of recyclization of 2,5-dialkylfurans to thiophenes and selenophenes was studied. On the basis of the direct correlation of log k on (Ho)l and the isotope effect of the solvent it was established that the reaction proceeds via a me