Synthesis of 2-(4-n-alkylphenyl)-5-n-alkylpyridines
β Scribed by A. I. Pavlyuchenko; N. I. Smirnova; N. I. Korotkova; E. I. Kovshev
- Book ID
- 112356028
- Publisher
- Springer US
- Year
- 1985
- Tongue
- English
- Weight
- 173 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0009-3122
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This study describes a novel and efficient synthesis of pyridine-containing liquid crystalline 5-substituted 2-(4alkylphenyl)pyridines. 4-Alkylphenylmagnesium bromide was reacted with 3-substituted N-ethoxycarbonylpyridinium chloride to give regioselective 1,2-dihydropyridine intermediates, which we
## Abstract **Summary:** New aromatic polyamides containing two __n__βalkylphenylimide units fused to the main chain were prepared by the activated polyamidation of 3,6βdi(4βcarboxyphenyl)β__N__,__Nβ²__βdi(4β__n__βalkylphenyl)pyromellitimides (**C**~**__m__**~**DA**, **__m__**β=β0, 8, 12, 16) with o