The present invention relates to a method of making a compound of the formula
wherein X
1
, X
2
and R
3
—R
4
are as defined herein. The method includes reacting a compound of the formula
with an amine of formula 3 (HNR
3
R
4
) in the presence of a Lewis Acid and a non-nucleophilic base. The 2,4-diamino pyrimidine moiety is a common component in a variety of biologically active drug-like molecules and pyrimidine derivatives have been found to be useful in the treatment of abnormal cell growth, such as cancer, in mammals.
本发明涉及一种制备化合物的方法,该化合物的结构式为其中X1,X2和R3-R4如定义所示。该方法包括在
路易斯酸和非亲核碱存在下,将式化合物与式3的胺反应。
2,4-二
氨基嘧啶基团是各种
生物活性药物分子中的常见组成部分,已发现
嘧啶衍
生物在治疗哺乳动物异常细胞生长(如癌症)方面非常有用。