Syntheses of 5-HT2 antagonist activity of bicyclic 1,2,4-triazol-3(2H)-one and 1,3,5-triazine-2,4(3H)-dione derivatives
作者:Yoshifumi Watanabe、Hiroyuki Usui、Shozo Kobayashi、Hirotaka Yoshiwara、Toshiro Shibano、Tsuyoshi Tanaka、Yoshiyuki Morishima、Megumi Yasuoka、Munefumi Kanao
DOI:10.1021/jm00079a026
日期:1992.1
2,4-triazol-3(2H)-one and 1,3,5-triazine-2,4(3H)-dione derivatives with a 4-[bis(4-fluoro-phenyl)methylene]piperidine or 4-(4-fluorobenzoyl)piperidine group has been prepared and tested for 5-HT2 and alpha 1 receptor antagonist activity. Among the compounds prepared, 2-[2-[4-[bis(4-fluorophenyl)methylene]-piperidin-1-yl]ethyl]- 5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one (7b) had the most
一系列带有4- [双(4-氟-苯基)亚甲基的双环1,2,4-三唑-3(2H)-one和1,3,5-三嗪-2,4(3H)-二酮衍生物已制备]哌啶或4-(4-氟苯甲酰基)哌啶基团并测试了5-HT 2和α1受体拮抗剂的活性。在制备的化合物中,2- [2- [2- [4- [双(4-氟苯基)亚甲基]-哌啶-1-基]乙基] -5,6,7,8-四氢-1,2,4-三唑[ 4,3-a] pyridin-3(2H)-one(7b)具有最有效的5-HT2拮抗剂活性,高于利坦色林(2),而7b在体内未显示出α1拮抗剂活性。当测试阻断5-羟色氨酸诱导的头部抽搐的能力时,中央5-HT 2受体拮抗作用约为2的1/30。化合物21b,3- [2- [4-(4-氟苯甲酰基)哌啶-1-基]乙基] -6,7,8,9-四氢-2H-吡啶基[1,2-a] -1,3, 5-三嗪-2,4(3H)-二酮也显示出有效的5-HT2拮抗剂活性