Synthesis and Structure-Activity Relationships of Antiallergic N-(4-(4-(1H-Indol-3-yl)piperidinoalkyl)-2-thiazolyl)alkanamides Possessing Both Antihistaminic and Anti Slow-Reacting Substance (SRS) Activities.
作者:Shinji SHIGENAGA、Takashi MANABE、Hiroshi MATSUDA、Takashi FUJII、Masaaki MATSUO
DOI:10.1248/cpb.42.1822
日期:——
A series of N-[4-[4-(1H-indol-3-yl)piperidinoalkyl]-2-thiazolyl]alkanamide derivatives were synthesized and tested for in vivo antianaphylactic activity and in vitro anti slow-reacting substance (SRS) activity. Among the compounds synthesized, N-[4-[4-(1H-indol-3-yl)piperidinomethyl]-2-thiazolyl]propanamide (7) was the best balanced compound (antianaphylactic activity, ED50=0.92mg/kg p.o.; anti-SRS activity, IC50=0.89μg/ml). Regarding the biological activities of 7, we ascribe the antianaphylactic activity to its potent antihistaminic activity and the anti SRS activity to the inhibition of 5-lipoxygenase.
合成了一系列N-[4-[4-(1H-吲哚-3-基)哌啶醇烷基]-2-噻唑基]烷酰胺衍生物,并测试了其体内抗过敏反应活性和体外抗缓慢反应物质(SRS)活性。在合成的化合物中,N-[4-[4-(1H-吲哚-3-基)哌啶甲基]-2-噻唑基]丙酰胺(7)是平衡性最佳的化合物(抗过敏反应活性,ED50=0.92mg/kg 口服;抗SRS活性,IC50=0.89μg/ml)。关于7的生物活性,我们将抗过敏反应活性归因于其强效的抗组胺活性,而将抗SRS活性归因于对5-脂氧合酶的抑制。