The present invention relates to pyrimidine derivatives of formula (I) wherein (R1)n, R3, R4a, R4b, R5a, R5b and Ar1 are as described in the description and their use in the treatment of cancer by modulating an immune response comprising a reactivation of the immune system in the tumor. The invention further relates to novel benzofurane and benzothiophene derivatives of formula (II) and their use as pharmaceuticals, to their preparation, to pharmaceutically acceptable salts thereof, and to their use as pharmaceuticals, to pharmaceutical compositions containing one or more compounds of formula (I), and especially to their use as modulators of the prostaglandin 2 receptors EP2 and/or EP4.
本发明涉及式(I)的
嘧啶衍
生物,其中(R1)n,R3,R4a,R4b,R5a,R5b和Ar1如描述中所述,以及它们通过调节免疫反应,包括肿瘤中免疫系统的再激活,用于治疗癌症。本发明进一步涉及新颖的
苯并呋喃和
苯并噻吩衍
生物式(II),及其作为药物的使用,其制备,药用可接受的盐,及其作为药物的使用,以及包含式(I)中一个或多个化合物的药物组合物,尤其是它们作为
前列腺素2受体EP2和/或EP4的调节剂的使用。