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2-Benzopyrylium salts. 41. Intramolecular transformations of 4-1′-dimers ofα-unsubstituted 2-benzopyrylium salts

✍ Scribed by S. V. Verin; D. é. Tosunyan; E. V. Kuznetsov


Book ID
104782133
Publisher
Springer US
Year
1991
Tongue
English
Weight
436 KB
Volume
27
Category
Article
ISSN
0009-3122

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2-Benzopyrylium salts. 36. Disproportion
✍ S. V. Verin; E. V. Kuznetsov; Yu. A. Zhdanov 📂 Article 📅 1989 🏛 Springer US 🌐 English ⚖ 424 KB

It was observed that the disproportionation of 2-benzopyrylium salts proceeds through prior dimerization. Intermediates were isolated and identified. Assumptions regarding the mechanism of the transformation are expressed. Continuing our study of the recently observed 4--1'dimerization of 2-benzopy