📜2-氯-4-氨基-6,7-二甲氧基喹唑啉置于盐酸体系中,用 异戊醇 作为反应溶剂,化学反应 2.5H,反应生成 2-哌嗪基-4-氨基-6,7-二甲氧基喹唑啉盐酸盐
参考文献:Pyrimidine Derivatives. 4. Synthesis And Antihypertensive Activity Of 4-Amino-2-(4-Cinnamoylpiperazino)-6,7-Dimethoxyquinazoline Derivatives
标题:Pyrimidine Derivatives. 4. Synthesis And Antihypertensive Activity Of 4-Amino-2-(4-Cinnamoylpiperazino)-6,7-Dimethoxyquinazoline Derivatives
摘要:A Series Of 30 4-Amino-2-(4-Cinnamoylpiperazino)-6,7-Dimethoxyquinazoline Derivatives Was Prepared And Tested For Their Ability To Reduce Blood Pressure In Conscious,Spontaneously Hypertensive Rates (Shr). A Number Of These Compounds,Notably 4-Amino-2-(4-Cinnamoylpiperazino)-6,7-Dimethoxyquinazolines 3A (R1 = H; R2 = Ph),3J (R1 = H; R2 = 4-Etoph),And 5A (R1 = H; R2 = 2-Furyl),Showed Activity At Oral Doses Of 0.3-10 Mg/kg. The Effects Of The 4-Substituents Of The Piperazino Group On Activity Are Discussed. Compounds 3A,3J,And 5A Were Effective In Renal Hypertensive Rats At Oral Doses Of 3 And 10 Mg/kg And Showed Alpha-Adrenoceptor Blocking Effects In Isolated Aortas Of Rats. A 5-Day Consecutive Oral Administration Of 3A And 3J In Shr Did Not Lead To Development Of Tolerance.
DOI:10.1021/jm00357A016