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Intramolecular single and double proton transfer in excited benzoxazoles. Distinction between concerted and stepwise reaction mechanisms

✍ Scribed by Andrzej Mordziński; Anna Grabowska

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
243 KB
Volume
114
Category
Article
ISSN
0022-2860

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Intramolecular single and double proton
Intramolecular single and double proton transfer in benzoxazole derivatives
✍ Andrzej Mordziński; Anna Grabowska; Wolfgang Kühnle; Adam Kröwczyński 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 443 KB

The "double" derivatives of benzoxazole, bis-&S-(2-benzoxaroiyl)hydroquinone (II) and bis-3,6-(2-benzosazolyl)pyrocatochol (III), have been investigated. In (II), ordy one proton is transferred in the Sr state. Primary and tautomeric forms exist in a rapidly established equilibrium. In (III), two ta