Synthesis and reactivity of 3-tert-butyl-8-r-pyrimido-[4′,5′:3,4]pyrazolo[5,1-c][1,2,4]triazine-4,10(6h,9h)-dithiones

被引：0
|
作者：
L. M. Mironovich
A. Yu. Podol’nikova
机构：
[1] Southwest State University,
来源：
Russian Journal of Organic Chemistry | 2015年 / 51卷
关键词：
Hydrazine Hydrate; Thione; Sodium Nitrite; Polyphosphoric Acid; Dithione;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Treatment of 3-tert-butyl-8-R-pyrimido[4′,5′:3,4]pyrazolo[5,1-c][1,2,4]triazine-4,10(6H,9H)-diones with diphosphorus pentasulfide gave 3-tert-butyl-8-R-pyrimido[4′,5′:3,4]pyrazolo[5,1-c][1,2,4]triazine-4,10(6H,9H)-dithiones whose hydrazinolysis afforded 3-tert-butyl-10-hydrazinyl-8-R-pyrimido[4′,5′:3,4]pyrazolo[5,1-c][1,2,4]triazine-4(6H)-thiones. 3-tert-Butyl-10-hydrazinylpyrimido[4′,5′:3,4]pyrazolo[5,1-c][1,2,4]-triazine-4(6H)-thione reacted with sodium nitrite in phosphoric or polyphosphoric acid yielding 10-azido-3-tert-butylpyrimido[4′,5′:3,4]pyrazolo[5,1-c][1,2,4]triazine-4(6H)-thione and 3-tert-butyltetrazolo[1″,5″:3′,4′]pyrimido[5′,6′:3,4]pyrazolo[5,1-c][1,2,4]triazin-4(12H)-one, respectively.
引用
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页码：397 / 400
页数：3
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