Alkenyl Derivatives of 5-Nitro-2-pyridone: Synthesis and Halocyclization

被引：3

作者：

Kalita, E. V. ^{[1
]}

Kim, D. G. ^{[1
]}

Yeltsov, O. S. ^{[2
]}

Shtukina, T. S. ^{[2
]}

机构：

[1] Natl Res Univ, South Ural State Univ, Pr Lenina 76, Chelyabinsk 454080, Russia

[2] Ural Fed Univ, Ekaterinburg, Russia

来源：

RUSSIAN JOURNAL OF ORGANIC CHEMISTRY | 2016年 / 52卷 / 08期

关键词：

SALTS;

D O I：

10.1134/S1070428016080091

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Alkylation of 5-nitro-2-pyridone by alkenyl halides in acetone in the presence of K2CO3 proceeds with generation of a mixture of N- and O-derivatives with N-isomer prevailing. 1-Allyl- and 1-methylallyl-5-nitro-2-pyridone react with halogens with the formation of 2-halomethyl-6-nitro-2,3-dihydrooxazolo[3,2-a]pyridinium halides. 1-Prenyl-5-nitro-2-pyridone reacts with bromine with the formation of 3-bromine-2,2-dimethyl-7-nitro-3,4-dihydro-2H-pyrido[2,1-b][1,3] oxazinium bromide, and with iodine giving 2,2-dimethyl-7-nitro-3,4-dihydro-2H-pyrido[2,1-b][1,3] oxazinium triiodide.

引用

页码：1148 / 1153

页数：6

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