作者:Sandrine Marchais-Oberwinkler、Bartek Nowicki、Victor W. Pike、Christer Halldin、Johan Sandell、Yuan-Hwa Chou、Balazs Gulyas、Lise T. Brennum、Lars Farde、Håkan V. Wikström
DOI:10.1016/j.bmc.2004.10.033
日期:2005.2
WAY-100635 [N-(2-(1-(4-(2-methoxyphenyl)piperazinyl)ethyl))-N-(2-pyridinyl)cyclohexanecarbox amide] 1 and its O-desmethyl derivative DWAY 2 are well-known high affinity 5-HT(1A) receptor antagonists, which when labeled with carbon-11 (beta+; t(1/2) = 20.4 min) in the carbonyl group are effective radioligands for imaging brain 5-HT(1A) receptors with positron emission tomography (PET). In a search for
WAY-100635 [N-(2-(1-(4-(2-甲氧基苯基)哌嗪基)乙基))-N-(2-吡啶基)环己烷甲酰胺] 1及其O-去甲基衍生物DWAY 2众所周知亲和力5-HT(1A)受体拮抗剂,当在羰基基团上用碳11(beta +; t(1/2)= 20.4 min)标记时,是对正电子发射的大脑5-HT(1A)受体成像的有效放射性配体断层扫描(PET)。为了寻找具有不同药代动力学和代谢特性的新型5-HT(1A)拮抗剂,将吡啶基N-氧化物部分掺入1和2的类似物中。NOWAY 3,其中1的吡啶基环被氧化为吡啶基N -通过在2-氯吡啶-N-氧化物上进行2- [4-(2-甲氧基苯基)哌嗪-1-基]乙胺的亲核取代,然后用环己烷羰基氯酰化来制备-环氧乙烷。6Cl-NOWAY 4 通过用环己烷羰基处理1-(2-甲氧基苯基)-4-(2-(2-(2-(6-溴)氨基吡啶基-N-氧化物)乙基)哌嗪,制备了更具亲脂