Furo[2,3-d]pyrimidines and Oxazolo[5,4-d]pyrimidines as Inhibitors of Receptor Tyrosine Kinases (RTK)
作者:Andreas Martin-Kohler、Jörg Widmer、Guido Bold、Thomas Meyer、Urs Séquin、Peter Traxler
DOI:10.1002/hlca.200490089
日期:2004.4
potent EGFR inhibitors. Therefore, new types of oxazolo[5,4-d]pyrimidines and furo[2,3-d]pyrimidines were synthesized (Schemes 1 and 2). Appropriately substituted derivatives of these classes of compounds inhibited VEGFR2 and EGFR with IC50 values in the low nanomolar range (see Table). Generally, the furopyrimidines were somewhat more active than the oxazolopyrimidines. The best inhibitors, 20m, 20p
受体酪氨酸激酶,例如VEGFR2(血管内皮生长因子受体2,KDR)或EGFR(表皮生长因子受体)在多种疾病(例如癌症)中起关键作用。最近,一些吡咯并嘧啶被证明是有效的EGFR抑制剂。因此,合成了新型的恶唑并[5,4- d ]嘧啶和呋喃[2,3- d ]嘧啶(方案1和2)。这类化合物的适当取代衍生物可抑制VEGFR2和EGFR,IC 50值在低纳摩尔范围内(见表)。通常,呋喃嘧啶比恶唑并嘧啶具有更高的活性。最好的抑制剂20m,20p,和20r,对EGFR的IC 50为3 nM,显示出良好的选择性,对VEGFR2的活性明显较低。