Pyrido[2,3-d]pyrimidine phosphodiesterase 7 (PDE 7) inhibitors are provided which are useful in treating T-cell mediated diseases, said inhibitors include:
(i) 2-[[4-[[[4-(Aminosulfonyl)phenyl]methyl]amino]pyrido[2,3-d]pyrimidin-2-yl]amino]-4-methyl-5-thiazolecarboxylic acid, ethyl ester; and
4-Methyl-2-[[4-[[[4-(methylsulfonyl)phenyl]methyl]amino]pyrido[2,3-d]pyrimidin-2-yl]amino]-5-thiazolecarboxylic acid, ethyl ester; or
(ii) an enantiomer, diastereomer, tautomer or pharmaceutically acceptable salt of (i).
提供了用于治疗T细胞介导疾病的Pyrido [2,3-d] pyrimidine
磷酸二酯酶7(PDE 7)
抑制剂,该
抑制剂包括:(i)2- [[4- [[[4-(
氨基磺酰)苯基] 甲基]
氨基] ] pyrido [2,3-d] pyrimidin-2-yl]
氨基] -4-甲基-5-
噻唑羧酸,
乙酯; 和4-甲基-2-[[4-[[[4-(甲基磺酰)苯基]甲基]
氨基]pyrido[2,3-d]pyrimidin-2-yl]
氨基]-5-
噻唑羧酸,
乙酯; 或(ii)(i)的对映体,非对映体异构体,互变异构体或药学上可接受的盐。