Synthesis and Pharmacological Activity of Triazolo[1,5-<i>a</i>]triazine Derivatives Inhibiting Eosinophilia
作者:Fumihiko Akahoshi、Shinji Takeda、Takehiro Okada、Masahiko Kajii、Hiroko Nishimura、Masanori Sugiura、Yoshihisa Inoue、Chikara Fukaya、Youichiro Naito、Takashi Imagawa、Norifumi Nakamura
DOI:10.1021/jm970759u
日期:1998.7.1
)thiocarbonyl]-1H-1,2, 4-triazole. In the triazolo[1,5-a]triazine series, 2-(4-chlorophenyl)-6-methyl-1,2,4-triazolo[1,5-a]-1,3, 5-triazine-7(6H)-thione (3h) was highly potent, and when given orally it had an ID50 value of 0.3 mg/kg, which is comparable to that of GCC-AP0341. The fact that the structure-activity relationship of these two series was quite similar suggests that a common substructure
在继续我们先前关于嗜酸性粒细胞增多抑制剂的工作时,我们合成了另外一系列抑制剂,包括5-氨基-1-[[(甲基氨基)硫代羰基] -1H-1,2,4-三唑衍生物和一系列新开发的抑制剂。 1,2,4-三唑并[1,5-a] -1,3,5-三嗪衍生物。我们评估了它们对气道嗜酸性粒细胞模型的抑制活性,该模型是通过静脉内(iv)注射Sephadex颗粒诱导的。在三唑环的3位带有多个取代基的1,2,4-三唑系列中,例如2-呋喃基,吡啶基和苯氧基,没有一种衍生物具有与先前报道的化合物GCC-AP0341相当的活性,即5-氨基-3-(4-氯苯基)-1-[(甲基氨基)硫代羰基] -1H-1,2,4-三唑。在三唑并[1,5-a]三嗪系列中,2-(4-氯苯基)-6-甲基-1,2,4-三唑并[1,5-a] -1,3,5-三嗪-7(6H)-硫酮(3h)具有很高的效力,口服时ID50值为0.3 mg / kg,与GCC-A