申请人:Gruppo Lepetit, S.p.A.
公开号:US04459302A1
公开(公告)日:1984-07-10
New acyl-1H-1,2,4-triazole derivatives of the formula ##STR1## wherein R may be located on one of the two adjacent nitrogen atoms and may represent hydrogen; a group R.sub.5 -CO wherein R.sub.5 is selected from (C.sub.1-4)alkyl, (C.sub.2-4)alkenyl, (C.sub.2-4)alkynyl, phenyl, phenyl substituted by one to three groups independently selected from halo, (C.sub.1-4)alkyl, (C.sub.1-4)alkoxy, trifluoromethyl, cyano, nitro, amino, di-(C.sub.1-4)alkylamino, (C.sub.2-4)acylamino and methylenedioxy, benzyl, cinnamyl, amino, (C.sub.1-4)alkylamino, di-(C.sub.1 -C.sub.4)alkylamino, phenylamino, phenylamino wherein the phenyl ring may be substituted by one to three groups independently selected from halo, (C.sub.1-4)alkyl, (C.sub.1-4)alkoxy, trifluoromethyl, cyano, nitro, amino, di-(C.sub.1-4)alkylamino, (C.sub.2-4)acylamino and methylenedioxy, halo(C.sub.1-4)alkyl, (C.sub.1-4)alkoxy and benzyloxy; a group R.sub.6 -SO.sub.2 wherein R.sub.6 may represent (C.sub.1-4)alkyl, phenyl, phenyl substituted by a radical selected from (C.sub.1-4)alkyl and (C.sub.1-4)alkoxy, or phenacyl; R.sub.1 is selected from hydrogen, (C.sub.1-4)alkyl, (C.sub.1-4)alkoxy, allyloxy, propargyloxy, trifluoromethyl, phenyl, halo and dimethylamino; R.sub.2 may represent a (C.sub.1-4)alkyl radical or the group ##STR2## wherein R.sub.7 is hydrogen or methyl and R.sub.8 is a (C.sub.1-4)alkyl radical, the group R.sub.5 -CO or the group R.sub.6 -SO.sub.2 in which R.sub.5 and R.sub.6 are defined as above, or R.sub.7 and R.sub.8 taken together may represent a further bond between the carbon and oxygen atom; R.sub.3 and R.sub.4 are independently selected from hydrogen, halo, (C.sub.1-4)alkyl and (C.sub.1-4)alkoxy; R.sub.1 and R.sub.4 taken together may also represent a methylenedioxy group; with the proviso that, when R represents hydrogen, R.sub.2 must be the group ##STR3## in which R.sub.8 must be the group R.sub.5 -CO or the group R.sub.6 -SO.sub.2 wherein R.sub.5 and R.sub.6 are as above defined; and salts therewith of pharmaceutically acceptable acids. The compounds possess antireproductive utility.
新的酰基-1H-1,2,4-三唑衍生物的化学式如下:其中R可能位于两个相邻氮原子之一上,并且可以表示氢;一个基团R.sub.5 -CO,其中R.sub.5从(C.sub.1-4)烷基,(C.sub.2-4)烯基,(C.sub.2-4)炔基,苯基,一个到三个独立选择的基团中选择,这些基团来自卤素,(C.sub.1-4)烷基,(C.sub.1-4)烷氧基,三氟甲基,氰基,硝基,氨基,二-(C.sub.1-4)烷基氨基,(C.sub.2-4)酰氨基和亚甲二氧基,苄基,肉桂基,氨基,(C.sub.1-4)烷基氨基,二-(C.sub.1-4)烷基氨基,苯基氨基,苯基氨基其中苯环可以被一个到三个独立选择的基团取代,这些基团来自卤素,(C.sub.1-4)烷基,(C.sub.1-4)烷氧基,三氟甲基,氰基,硝基,氨基,二-(C.sub.1-4)烷基氨基,(C.sub.2-4)酰氨基和亚甲二氧基,卤代(C.sub.1-4)烷基,(C.sub.1-4)烷氧基和苄氧基;一个基团R.sub.6 -SO.sub.2,其中R.sub.6可能表示(C.sub.1-4)烷基,苯基,苯基取代基从(C.sub.1-4)烷基和(C.sub.1-4)烷氧基中选择,或苯乙酰基;R.sub.1从氢,(C.sub.1-4)烷基,(C.sub.1-4)烷氧基,烯丙氧基,丙炔氧基,三氟甲基,苯基,卤素和二甲基氨基中选择;R.sub.2可以表示一个(C.sub.1-4)烷基基团或基团##STR2##其中R.sub.7是氢或甲基,R.sub.8是一个(C.sub.1-4)烷基基团,基团R.sub.5 -CO或基团R.sub.6 -SO.sub.2,其中R.sub.5和R.sub.6如上定义,或R.sub.7和R.sub.8一起可能表示碳和氧原子之间的进一步键合;R.sub.3和R.sub.4分别从氢,卤素,(C.sub.1-4)烷基和(C.sub.1-4)烷氧基中选择;R.sub.1和R.sub.4一起也可以表示一个亚甲二氧基基团;但是,当R表示氢时,R.sub.2必须是基团##STR3##其中R.sub.8必须是基团R.sub.5 -CO或基团R.sub.6 -SO.sub.2,其中R.sub.5和R.sub.6如上定义;以及与其相应的药用酸盐。这些化合物具有抗生殖功能。