Pyrano[4,3-d]pyrimidinium salts 5. Synthesis of 7-aryl-1,3-dimethyl-2,4-dioxo-1H,3H-pyrano[4,3-d]pyrimidinium salts and their reactions with nucleophiles

被引：1

作者：

Gavrilenko, I. A. ^{[1
]}

Kostrub, V. V. ^{[1
]}

Tsupak, E. B. ^{[1
]}

机构：

[1] So Fed Univ, Dept Chem, Rostov Na Donu 344090, Russia

来源：

RUSSIAN CHEMICAL BULLETIN | 2012年 / 61卷 / 03期

关键词：

6-(2-arylethenyl)-1,3-dimethylpyrimidine-2,4(1H,3H)-dione; 6-(2-arylethenyl)-5-formyl-1,3-dimethylpyrimidine-2,4(1H,3H)-dione; 7-arylpyrano[4,3-d]pyrimidinium salts; recyclization; pyrido[4,3-d]pyrimidine-2,4(1H,3H)-dione; pyrido[4,3-d]pyrimidinium salts; pyrano[4,3-d]pyrimidine; ALDEHYDES;

D O I：

10.1007/s11172-012-0090-x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

7-Arylpyrano[4,3-d]pyrimidinium salts were synthesized starting from 1,3,6-trimethyluracil. In the reactions with N-nucleophiles, these salts were found to undergo recyclization of the pyrylium ring, whereas the addition of C- and O-nucleophiles occurs at free position 5 of the system.

引用

页码：623 / 630

页数：8

共 18 条

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