Synthesis and Pharmacology of Highly Selective Carboxy and Phosphono Isoxazole Amino Acid AMPA Receptor Antagonists
作者:Ulf Madsen、Benny Bang-Andersen、Lotte Brehm、Inge T. Christensen、Bjarke Ebert、Inge T. S. Kristoffersen、Yolande Lang、Povl Krogsgaard-Larsen
DOI:10.1021/jm950826p
日期:1996.1.1
methyl-4-isoxazolyl]propionic acid (AMOA, 7) have been used as leads for the design and synthesis of a number of potential AMPA receptor antagonists. Two parallel series of AMOA analogs were synthesized, containing either a distal carboxylic acid (compounds 8b-g and 11b) or a phosphonic acid (compounds 9a-g, 10c, and 11c). Pharmacological characterization of the synthesized compounds was carried out
(RS)-2-氨基-3-(3-羟基-5-甲基-4-异唑基)丙酸(AMPA,5)和选择性AMPA受体拮抗剂(RS)-2-氨基-3- [3-(羧基甲氧基)-5-甲基-4-异恶唑基]丙酸(AMOA,7)已被用作设计和合成多种潜在AMPA受体拮抗剂的先导。合成了两个平行的AMOA类似物系列,包含远端羧酸(化合物8b-g和11b)或膦酸(化合物9a-g,10c和11c)。使用一系列受体结合测定法以及使用大鼠皮质切片模型的体外电生理学实验,对合成的化合物进行了药理学表征。具有叔丁基取代基的两个类似物(RS)-2-氨基-3- [5-叔丁基-3-(羧基甲氧基)-4-异恶唑基] pr膦酸(ATOA,8b)和相应的膦酸类似物ATPO(9b)是每个系列中最有效和最具选择性的AMPA拮抗剂。ATOA和ATPO对皮质切片模型中AMPA引起的去极化的IC50值分别为150和28 microM,而母体化合物AMOA的IC50