发明名称 |
An improved process for the preparation of 2-amino-5,8-dimethoxy[1,2,4]triazolo[1,5-c]pyrimidine from 4-amino-2,5-dimethoxypyrimidine |
摘要 |
<p>5-Substituted-8-alkoxy[1,2,4]triazolo[1,5-c]pyrimidin-2-amines are manufactured from 4-amino-2,5-dialkoxypyrimidines in an improved process in which the generation of gaseous by-products is controlled by the continuous addition of hydroxylamine as a free base.</p> |
申请公布号 |
IL237678(D0) |
申请公布日期 |
2015.04.30 |
申请号 |
IL20150237678 |
申请日期 |
2015.03.11 |
申请人 |
DOW AGROSCIENCES LLC;BLAND DOUGLAS C;HAMILTON CHRISTOPHER T |
发明人 |
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分类号 |
C07D |
主分类号 |
C07D |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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