申请人:Ciba-Geigy Corporation
公开号:US04851424A1
公开(公告)日:1989-07-25
1-Phenyl-lower alkylimidazole-4- and/or 5-carboxamides of the formula ##STR1## in which Ph represents phenyl substituted by lower alkyl and/or by halogen, alk represents lower alkylidene, one of the radicals R.sub.1 and R.sub.2 is carbamoyl optionally substituted by lower alkyl or by lower alkanoyl and the other is hydrogen, lower alkyl, or carbamoyl optionally substituted by lower alkyl or by lower alkanoyl, and R.sub.3 represents hydrogen or lower alkyl, have anticonvulsive properties and can be used as anticonvulsives. They are manufactured as follows: in a compound of the formula ##STR2## in which R.sub.1 ' represents a radical R.sub.1 or X and R.sub.2 ' represents a radical X, or R.sub.1 ' represents a radical X and R.sub.2 ' represents a radical R.sub.2, where X represents a group that can be converted into carbamoyl that optionally is mono- or di-substituted by lower alkyl or monosubstituted by lower alkanoyl, the radical X or the radicals X is/are converted into carbamoyl that optionally is mono- or di-substituted by lower alkyl or monosubstituted by lower alkanoyl.
1-苯基-低碳酰基咪唑-4-和/或5-羧酰胺的化学式如下:##STR1## 其中Ph代表被低碳基和/或卤素取代的苯基,alk代表低碳基,R.sub.1和R.sub.2中的一个是羰基,可以被低碳基或低烷酰基取代,另一个是氢、低碳基或羰基,可以被低碳基或低烷酰基取代,R.sub.3代表氢或低碳基。这些化合物具有抗惊厥性质,并可用作抗惊厥药物。它们的制备方法如下:在化合物的化学式中:##STR2## 其中R.sub.1 '代表一个基团R.sub.1或X,R.sub.2 '代表一个基团X,或者R.sub.1 '代表一个基团X,R.sub.2 '代表一个基团R.sub.2,其中X代表一个可以转化为羰基的基团,该基团可以选择性地被低碳基或单取代的低烷酰基取代,基团X或基团X被转化为羰基,该羰基可以选择性地被低碳基或单取代的低烷酰基取代。