Synthesis and Structure-Activity Relationships of New (5R,8R,10R)-Ergoline Derivatives with Antihypertensive or Dopaminergic Activity.
作者:Sachio OHNO、Yuko ADACHI、Masayuki KOUMORI、Kiyoshi MIZUKOSHI、Mitsuaki NAGASAKA、Kenji ICHIHARA、Ei-ichi KATO
DOI:10.1248/cpb.42.1463
日期:——
containing nitrogen atoms to afford the new ergolines. (5R,8R,10R)-8-(1,2,4-Triazol-1-ylmethyl)-6-methylergoline (4s, maleate: BAM-1110) exhibited potent dopaminergic activity, about 18-fold greater than that of bromocriptine mesylate. (5R,8R,10R)-8-(1,2,4-Triazol-1-ylmethyl)-6-propylergoline (8b, fumarate: BAM-1602) showed extremely potent dopaminergic activity, being about 220 and 1.15 times more active
合成了一系列新的(5R,8R,10R)-麦角灵衍生物,并在有意识的自发性高血压大鼠和单侧6-羟基多巴胺诱导的黑质病变大鼠中测试了它们的降压和多巴胺能活性。由相应的麦角灵羧酸酯制备的(5R,8R,10R)-6-烷基-8-麦角灵甲醇被转化为甲苯磺酸酯,然后用各种含氮原子的五元杂环进行处理,得到新的麦角灵。(5R,8R,10R)-8-(1,2,4-三唑-1-基甲基)-6-甲基麦角灵(4s,马来酸酯:BAM-1110)表现出强力的多巴胺能活性,比溴隐亭高约18倍甲磺酸酯 (5R,8R,10R)-8-(1,2,4-三唑-1-基甲基)-6-丙基麦角灵(8b,富马酸酯:BAM-1602)显示出极强的多巴胺能活性,约为220和1。活性分别比溴隐亭甲磺酸盐和甲磺酸培高利特高15倍。几种化合物表现出有效的抗高血压活性。讨论了抗高血压和多巴胺能活动的构效关系。