INTERACTION OF 2-BROMO-7-METHYL-5-OXO-5H-1,3,4-THIADIAZOLO[3,2-A]PYRIMIDINE WITH METHYLENE-ACTIVE COMPOUNDS AND ACID-HYDROLYSIS OF ITS PRODUCTS

被引：2
|
作者：
SHUKUROV, SS [1 ]
KUKANIEV, MA [1 ]
NASYROV, IM [1 ]
ZAKHAROV, KS [1 ]
KARAKHANOV, RA [1 ]
机构：
[1] IM GUBKIN NATL ACAD OIL & GAS, MOSCOW 117917, RUSSIA
来源：
RUSSIAN CHEMICAL BULLETIN | 1993年 / 42卷 / 11期
关键词：
NUCLEOPHILIC SUBSTITUTION REACTION; 2-BROMO-7-METHYL-5-OXO-5H-1,3,4-THIADIAZOLO[3,2-A]PYRIMIDINE; METHYLENE ACTIVE COMPOUNDS (PENTANE-2,5-DIONE, MALONODINITRILE, MELDRUM ACID, ACETOACETIC, CYANOACETIC, MALONIC ESTERS); AZINYL-YLIDENE TAUTOMERISM; KETONIC AND ACID CLEAVAGE;
D O I：
10.1007/BF00699007
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Reactions of 2-bromo-7-methyl-5-oxo-5H-1,3,4-thiadizolo[3,2-a]pyrimidine with sodium derivatives of pentane-2,4-dione, malonodinitrile, Meldrum acid, acetoacetic, cyanoacetic and malonic esters have been shown to give the respective substituted derivatives. Azinyl-ylidene tautomerism has been found to be characteristic of these compounds, the latter existing mainly in the ylidene form. The acid hydrolysis of pentane-2,5-dione and cyanoacetic and malonic esters derivatives has been investigated.
引用
收藏
页码：1874 / 1878
页数：5
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