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 |
5-Substituted-8-alkoxy[l,2,4]triazolo[l,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. |
申请公布号 |
WO2014043148(A1) |
申请公布日期 |
2014.03.20 |
申请号 |
WO2013US59108 |
申请日期 |
2013.09.11 |
申请人 |
DOW AGROSCIENCES LLC |
发明人 |
BLAND, DOUGLAS C.;HAMILTON, CHRISTOPHER T. |
分类号 |
C07D487/00 |
主分类号 |
C07D487/00 |
代理机构 |
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代理人 |
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地址 |
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