6-, 7- AND 8-(5-ARY L-1-PHENYL-2-PYRAZOLIN-3-LY)IMIDAZO- AND PYRIMIDO[2,1-b]BENZOTHIAZOLES AS NOVEL ANTICONVULSANT AGENTS
作者:Magdy Gineinah
DOI:10.3797/scipharm.aut-01-06
日期:——
6-(5-aryl-1-phenyl-2-pyrazolin-3-yl)benzothiazole were synthesized from the corresponding aminophenyl compounds by reaction with KSCN/Br2 to build up the benzothiazole ring. The aminophenyl derivatives of pyrazoline were prepared by cyclization with phenylhydrazine of the appropriate 1,3-diphenyl-2-propen-1-one derivatives obtained from arninoacetophenone and differently substituted aldehydes. However, the newly
通过与KSCN / Br2反应,由相应的氨基苯基化合物合成2-氨基-5-和6-(5-芳基-1-苯基-2-吡唑啉-3-基)苯并噻唑的一些新衍生物,以建立苯并噻唑环。吡唑啉的氨基苯基衍生物是通过苯肼将适当的1,3-二苯基-2-丙烯-1-酮衍生物从苯胺基乙酰苯和不同取代的醛环合而制得的。然而,将新合成的吡唑啉的2-氨基苯并噻唑衍生物与溴代丙酮酸乙酯进行环化反应,从而形成6-和7-(5-芳基-1-苯基-2-吡唑啉-3-基)-2-乙氧基羰基咪唑[ 2,1-b]苯并噻唑衍生物。此外,使用乙炔二羧酸二甲酯(DMAD)作为另一种用于2-氨基苯并噻唑衍生物的环化剂,以获得7-和8-(5-芳基-1-苯基-2-吡唑啉-3-y1)-4-甲氧基羰基-2-氧代-2H -嘧啶基[2,1-b]苯并噻唑衍生物。筛选新制备的化合物的抗惊厥活性。但是,某些测试化合物表现出良好的抗惊厥潜能。