A series of 2-oxo-3, 4-dihydropyrimido[4,5-d]-pyrimidinyl derivatives were designed and synthesized as new irreversible inhibitors of the FGFR family. One of the most promising compounds 2l potently inhibited FGFR1/2/3 with IC50 values of 1.06, 0.84 and 5.38 nM, respectively, whereas its potency against FGFR4 was diminished by an order of magnitude. Compound 2l strongly suppresses the proliferation
设计并合成了一系列2-oxo-3,4-dihydropyrimido [4,5-d]-
嘧啶衍
生物,作为FGFR家族的新型不可逆
抑制剂。一种最有希望的化合物2l可以有效抑制FGFR1 / 2/3,IC50值分别为1.06、0.84和5.38 nM,而其对FGFR4的效力则降低了一个数量级。化合物21强烈抑制具有低纳摩尔IC50值的FGFR1扩增的H520非小细胞肺癌细胞,FGFR2扩增的SUM52乳腺癌细胞和FGFR3扩增的SW780膀胱癌细胞的增殖,但对四种FGFR阴性的效力明显较低癌
细胞系,微摩尔IC50值低。
生物学研究还证实了该分子与FGFR1-3靶激酶的不可逆结合。