Synthesis of Substituted meta-Terphenyls

被引：0
|
作者：
Kuratova, A. K. [1 ]
Yakushev, L. V. [1 ]
Prohorov, D. A. [1 ]
Glizdinskaya, L. V. [1 ]
Sagitullina, G. P. [1 ]
机构：
[1] Dostoevskii Omsk State Univ, Omsk 644077, Russia
来源：
RUSSIAN JOURNAL OF ORGANIC CHEMISTRY | 2024年 / 60卷 / 05期
关键词：
Kost-Sagitullin rearrangement; nitrochalcones; enamines; 5-nitropyridines; 5-nitropyridinium salts; meta-terphenyls; NITROPYRIDINES; RECYCLIZATION;
D O I：
10.1134/S107042802405004X
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Novel 5'-methylamino-2'-nitro-m-terphenyls were obtained by the rearrangement of quaternary nitropyridinium salts under the action of aqueous alcoholic alkali and aqueous methylamine. Hantzsch 4-aryl-2-methyl-5-nitro-6-phenyl-1,4-dihydropyridines obtained by the cyclocondensation of nitrochalcones with various enamines were used as starting compounds. The oxidation of 1,4-dihydropyridines with sodium nitrite in acetic acid gave 4-aryl-2-methyl-5-nitro-6-phenylpyridines. The synthesized nitropyridines were alkylated with dimethyl sulfate and methyl fluorosulfonate.
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收藏
页码：811 / 826
页数：16
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