申请人:Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
公开号:US04247556A1
公开(公告)日:1981-01-27
There are prepared 7-azabenzimidazoles of the formula ##STR1## where R.sub.1 and R.sub.2 are the same or different and are hydrogen, C.sub.1 -C.sub.6 -alkyl or C.sub.2 -C.sub.6 -alkanol or --NR.sub.1 R.sub.2 is a 5 to 7 membered saturated heterocyclic ring having either one nitrogen atom, one nitrogen atom and one oxygen atom or two nitrogen atoms, R.sub.3 is hydroxy, an amino group, a mono C.sub.1 -C.sub.6 -Alkylamino group, a di-C.sub.1 -C.sub.6 -alkylamino group, or a C.sub.2 -C.sub.6 -alkylamino, di-C.sub.1 -C.sub.6 -alkylamino, mercapto, C.sub.1 -C.sub.6 -alkylmercapto, hydroxy or C.sub.1 -C.sub.6 -alkoxy, R.sub.5 is hydrogen or halogen and A is a C.sub.2 -C.sub.6 -alkylene group or a salt of such compound. Preferably R.sub.1 and R.sub.2 are two equal C.sub.1 -C.sub.6 -alkyl groups or --NR.sub.1 R.sub.2 is piperidino, pyrrolidino, morpholino, homopiperidino, piperazino or homopiperazino, R.sub.3 is hydroxy, mercapto, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylmercapto or C.sub.1 -C.sub.6 -alkylmino, mercapto, C.sub.1 -C.sub.6 -alkylmercapto, hydroxy or C.sub.1 -C.sub.6 -alkoxy and R.sub.5 is hydrogen and salts thereof. The compounds are useful in treating ulcers and gastritis.
公式为##STR1##的7-氮杂苯并咪唑类化合物,其中R.sub.1和R.sub.2相同或不同,可以是氢、C.sub.1 -C.sub.6 -烷基或C.sub.2 -C.sub.6 -醇基,或--NR.sub.1 R.sub.2是含有一个氮原子、一个氮原子和一个氧原子或两个氮原子的5至7元饱和杂环环,R.sub.3是羟基、氨基、一元C.sub.1 -C.sub.6 -烷基氨基、二元C.sub.1 -C.sub.6 -烷基氨基,或C.sub.2 -C.sub.6 -烷基氨基、二元C.sub.1 -C.sub.6 -烷基氨基、巯基、C.sub.1 -C.sub.6 -烷基巯基、羟基或C.sub.1 -C.sub.6 -烷氧基,R.sub.5是氢或卤素,A是C.sub.2 -C.sub.6 -烷基烯基或该化合物的盐。最好R.sub.1和R.sub.2是两个相同的C.sub.1 -C.sub.6 -烷基基团,或--NR.sub.1 R.sub.2是哌啶基、吡咯啉基、吗啉基、环己哌啶基、哌嗪基或环己哌嗪基,R.sub.3是羟基、巯基、C.sub.1 -C.sub.4 -烷氧基、C.sub.1 -C.sub.4 -烷基巯基或C.sub.1 -C.sub.6 -烷基氨基、巯基、C.sub.1 -C.sub.6 -烷基巯基、羟基或C.sub.1 -C.sub.6 -烷氧基,R.sub.5是氢及其盐。这些化合物在治疗溃疡和胃炎方面很有用。