发明名称 |
FOERFARANDE FOER FRAMSTAELLNING AV SUBSTITUERADE N-(ARYL)-1,2,4-TRIAZOLOPYRIMIDIN-2-SULFONAMIDER |
摘要 |
<p>The preparation of N-(aryl)-1,2,4-triazolopyrimidine-2-sulfonamides of formula (V) by the coupling of substituted 1,2,4-triazolopyrimidine-2-sulfonyl halides of formula (VI) with aryl amines of substantially reduced nucleophilic reactivity is facilitated by conducting the reaction in the presence of a pyridine base and a catalytic amount of dimethyl sulfoxide. <CHEM></p> |
申请公布号 |
FI924522(A0) |
申请公布日期 |
1992.10.07 |
申请号 |
FI19920004522 |
申请日期 |
1992.10.07 |
申请人 |
DOWELANCO |
发明人 |
JOHNSON, TIMOTHY C.;NASUTAVICUS, WILMONTE A. |
分类号 |
A01N43/90;B01J31/02;C07B61/00;C07D239/69;C07D487/04 |
主分类号 |
A01N43/90 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|