Novel Uracil Derivatives: Newly Synthesized Centrally Acting Agents.
作者:Masahiro IMAIZUMI、Fumitaka KANO、shinji SAKATA
DOI:10.1248/cpb.40.1808
日期:——
A series of 1-amino-5-substituted uracils and their 4-thio or 2,4-dithio substituted analogues were synthesized and assayed for anti-conflict activity in rats and anesthetic activity in mice. 1-Amino-5-halogenouracils 3b-e, 1-amino-4-thiouracil (9a), and 1-amino-5-halogeno-4-thiouracils 9c, d showed both anti-conflict and anesthetic activities. The most active compound was 1-amino-5-chloro-4-thiouracil
合成了一系列的1-氨基-5-取代的尿嘧啶及其4-硫或2,4-二硫取代的类似物,并测定了其在大鼠中的抗冲突活性和在小鼠中的麻醉活性。1-氨基-5-卤代尿嘧啶3b-e,1-氨基-4-硫代尿嘧啶(9a)和1-氨基-5-卤代-4-硫尿嘧啶9c,d显示出抗冲突和麻醉作用。活性最高的化合物是1-氨基-5-氯-4-硫尿嘧啶(9d),在改良的Geller-Seifter冲突时间表上,口服2 mg / kg(po)表现出抗焦虑活性。它的最小有效剂量(MED)低于地西epa。化合物(9d)对小鼠的麻醉活性的50%有效剂量(ED50)为32.9 mg / kg,口服