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2-Benzopyrylium salts. 25. Reaction of 2-benzopyrylium salts with some nucleophiles

โœ Scribed by G. P. Safaryan; I. V. Shcherbakova; G. N. Dorofeenko; E. V. Kuznetsov


Book ID
112349500
Publisher
Springer US
Year
1981
Tongue
English
Weight
333 KB
Volume
17
Category
Article
ISSN
0009-3122

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2-Benzopyrylium salts. 36. Disproportion
โœ S. V. Verin; E. V. Kuznetsov; Yu. A. Zhdanov ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› Springer US ๐ŸŒ English โš– 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