Studies on Hypotensive Agents. Synthesis of 1-Substituted 3-(2-Chlorophenyl)-6-ethoxycarbonyl-5,7-dimethyl-2,4(1H,3H)-quinazolinediones.
作者:Yukuo EGUCHI、Fujinori SASAKI、Akiko SUGIMOTO、Hisashi EBISAWA、Masayuki ISHIKAWA
DOI:10.1248/cpb.39.1753
日期:——
3-(2-Chlorophenyl)-6-ethoxycarbonyl-5, 7-dimethyl-2, 4(1H, 3H)-quinazolinedione was newly prepared. 1-Hydrogen atoms of the compound were variously substituted in order to test for their hypotensive activites on relaxing effects of the blood vessels. The compounds with 2-(1-pyrroidinyl) ethyl, 2-(1-piperidinyl)ethyl, 3-(dimethylamino)propyl, and 3-(N-benzyl-N-methylamino)propyl moieties showed significant activity. The 2-(1-piperidinyl)ethyl compound possessed activity approximately 23 times more potent than papaverine, however, it was less potent than cinnarizine.
新制备了3-(2-氯苯基)-6-乙氧羰基-5,7-二甲基-2,4(1H,3H)-喹唑啉二酮。为测试其对血管舒张作用的降压活性,对该化合物的氢原子进行了不同取代。含有2-(1-吡咯烷基)乙基、2-(1-哌啶基)乙基、3-(二甲基氨基)丙基和3-(N-苄基-N-甲基氨基)丙基基团的化合物显示出显著活性。其中2-(1-哌啶基)乙基化合物具有约比罂粟碱强23倍的活性,但活性仍低于桂利嗪。