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Synthesis of 2,6-diaryl-substituted pyrylium and 4-alkox yc hromylium salts with various anions

✍ Scribed by G. N. Dorofeenko; N. A. Lopatina


Book ID
112327407
Publisher
Springer US
Year
1971
Tongue
English
Weight
211 KB
Volume
7
Category
Article
ISSN
0009-3122

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Synthesis of Nonsymmetrically N,N′-Diary
✍ Dirk Bongard; Martin Möller; S. Nagaraja Rao; David Corr; Lorenz Walder 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 German ⚖ 129 KB 👁 1 views

## Abstract A general method for the synthesis of so far unknown nonsymmetrically substituted __N__‐aryl‐__N__′‐aryl′‐4,4′‐bipyridinium salts is presented (__Scheme 1__). The common intermediate in all procedures is __N__‐(2,4‐dinitrophenyl)‐4,4′‐bipyridinium hexafluorophosphate (**1** ⋅ $\rm{\rm P