申请人:Hoffmann-La Roche Inc.
公开号:US04481142A1
公开(公告)日:1984-11-06
There is presented compounds of the formula ##STR1## wherein A is selected from the group consisting of ##STR2## R.sub.1 is selected from the group consisting of hydrogen, chlorine, bromine, lower alkyl, the group NR.sub.4 R.sub.5, the group --CH.sub.2 --CO--R.sub.7, the group--NH(CH.sub.2).sub.m NR.sub.8 R.sub.9, hydroxy, lower alkoxy, mercapto and lower alkyl mercapto; R.sub.2 is selected from the group consisting of hydrogen, amino and dilower alkyl amino; R.sub.3 is selected from the group consisting of hydrogen, lower acyloxy and hydroxy; X is selected from the group consisting of hydrogen, halogen, trifluoromethyl, ethyl, .alpha.-hydroxy ethyl and acetyl; Y is hydrogen or halogen; R.sub.4 and R.sub.5 are hydrogen or lower alkyl or together with their co-bonded nitrogen atom form a five to seven membered heterocyclic group; R.sub.7 is selected from the group consisting of hydroxy lower alkoxy and NR.sub.8 R.sub.9 ; R.sub.8 and R.sub.9 are hydrogen or lower alkyl; n is 0 or 1 and m is 1 to 7 with the limitations that (1) at least one of R.sub.1 and R.sub.2 are hydrogen, (2) when R.sub.3 is lower acyloxy or hydroxy, A is the group (a), X is hydrogen, halogen, trifluoromethyl, ethyl or acetyl and R.sub.1 is the group --NH(CH.sub.2).sub.m NR.sub.8 R.sub.9, then R.sub.8 and R.sub.9 are lower alkyl, (3) when A is group (d) and R.sub.1 is the group --NH(CH.sub.2).sub.m NR.sub.8 R.sub.9 then R.sub.8 and R.sub.9 are lower alkyl and (4) when n is 1, R.sub.1 is hydrogen, lower alkyl, lower alkoxy, chlorine, bromine or the group --CH.sub.2 --CO-- R.sub.7 with R.sub.7 as above then A is the group (a) or (b) and the pharmaceutically acceptable salts thereof. The compounds exhibit pharmacological activity as anxiolytics and sedatives. Also presented Are various novel intermediates and processes to produce the above end products.
该文中介绍了一些化合物,其化学式为##STR1## 其中A从以下组中选择:##STR2## R1从以下组中选择:氢、氯、溴、低碳基、基团NR4R5、基团--CH2--CO--R7、基团--NH(CH2)mNR8R9、羟基、低烷氧基、巯基和低烷基巯基;R2从以下组中选择:氢、氨基和二低烷基氨基;R3从以下组中选择:氢、低酰氧基和羟基;X从以下组中选择:氢、卤素、三氟甲基、乙基、α-羟基乙基和乙酰基;Y为氢或卤素;R4和R5为氢或低烷基,或与它们共键合的氮原子形成五元至七元杂环基团;R7从以下组中选择:羟基低烷氧基和NR8R9;R8和R9为氢或低烷基;n为0或1,m为1至7,限制为:(1)R1和R2中至少有一个为氢;(2)当R3为低酰氧基或羟基时,A为(a)组,X为氢、卤素、三氟甲基、乙基或乙酰基,R1为基团--NH(CH2)mNR8R9,则R8和R9为低烷基;(3)当A为(d)组,R1为基团--NH(CH2)mNR8R9时,则R8和R9为低烷基;(4)当n为1,R1为氢、低烷基、低烷氧基、氯、溴或基团--CH2--CO--R7,其中R7如上所述,则A为(a)或(b)组及其药学上可接受的盐。这些化合物表现出抗焦虑和镇静的药理活性。此外,还介绍了各种新型中间体和生产上述终产品的工艺。