Hapten Synthesis for (+)-6-(2-Chlorophenyl)-3-cyclopropanecarbonyl-8,11-dimethyl-2,3,4,5-tetrahydro-8H-phyido(4',3':4,5)thieno(3,2-f)triazolo(4,3-a)(1,4)diazepine (E6123).
作者:Shuhei MIYAZAWA、Kazuo OKANO、Tetsuya KAWAHARA、Yoshimasa MACHIDA、Isao YAMATSU
DOI:10.1248/cpb.40.762
日期:——
pattern of E6123, we synthesized 6-[2-chloro-4-(3-carboxypropyl) phenyl]-3-cyclopropanecarbonyl-8,11-dimethyl-2,3,4,5-tetrahydro-8H -pyrido[4',3':4,5]thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine 22 as a potential hapten. In the synthesis of 22, we developed butynyl carbamate as a piperidine ring N-protecting group to prevent possible side reaction, namely oxidation of the methylene at position
(+)-6-(2-氯苯基)-3-环丙烷羰基-8,11-二甲基-2,3,4,5-四氢-8H-吡啶基[4',3':4,5]噻吩并[3, 2-f] triazolo [4,3-a] [1,4]二氮杂((E6123)是一种非常有效的血小板活化因子(PAF)受体拮抗剂,在多种动物中的微克水平均显示出有效的抗PAF活性。楷模。为了检查低剂量的E6123的药代动力学,需要建立放射免疫分析法。根据E6123的代谢模式,我们合成了6- [2-氯-4-(3-羧丙基)苯基] -3-环丙烷羰基-8,11-二甲基-2,3,4,5-四氢-8H -pyrido [4',3':4,5] thieno [3,2-f] [1,2,4] triazolo [4,3-a] [1,4]二氮杂22 22作为潜在的半抗原。在22的合成中,我们开发了氨基甲酸丁炔酯作为哌啶环N-保护基团,以防止可能的副反应,