[EN] REGIOSELECTIVE PREPARATION OF 2 -AMINO-5-TRIFLUOROMETHYLPYRIMIDINE DERIVATIVES<br/>[FR] PRÉPARATION RÉGIOSÉLECTIVE DE DÉRIVÉS DE 2-AMINO-5TRIFLUOROMÉTHYLPYRIMIDINE
申请人:BOEHRINGER INGELHEIM INT
公开号:WO2011018518A1
公开(公告)日:2011-02-17
The present invention relates to a method of making pyrimidines of formula (III) wherein X2 is a leaving group selected from the group consisting of: phenyloxy optionally substituted by 1-5 suitable substituents, heterocyclyl N-oxy optionally substituted by 1-5 suitable substituents, and heteroaryl N-oxy optionally substituted by 1-5 suitable substituents; R1 and R2 are substituents independently selected from the group consisting of hydrogen, an aromatic group and an aliphatic group, or taken together -N(R1)R2 can form a 4-11 membered aromatic or aliphatic ring; said method comprising reacting a compound of formula (I) with an amine of formula (Il) [HN(R1)R2] to form a compound of formula (III), wherein X1 is a leaving group.
本发明涉及一种制备式(III)的嘧啶化合物的方法,其中X2是选自以下羟基的离去基团:苯氧基,可以选择1-5个适当取代基团取代的苯氧基;杂环N-氧基,可以选择1-5个适当取代基团取代的杂环N-氧基;和杂芳基N-氧基,可以选择1-5个适当取代基团取代的杂芳基N-氧基;R1和R2是独立选择自氢、芳香基和脂肪基的取代基团,或者结合在一起形成一个4-11元芳香环或脂肪环;所述方法包括将式(I)的化合物与式(II)的胺[HN(R1)R2]反应以形成式(III)的化合物,其中X1是一个离去基团。