申请人:Schering Aktiengesellschaft
公开号:US04435403A1
公开(公告)日:1984-03-06
3-substituted beta-carbolines of the formula ##STR1## wherein R.sup.C is hydrogen, lower alkyl, alkoxyalkyl of up to 6 C-atoms, cycloalkyl of 3-6 C-atoms, aralkyl of up to 8 C-atoms, or (CH.sub.2).sub.n OR.sup.20 wherein R.sup.20 is alkyl of up to 6 C-atoms, cycloalkyl of 3-6 C-atoms or aralkyl of up to 8 C-atoms and n is an integer of 1 to 3; Y is oxygen, two hydrogen atoms or NOR.sup.1, wherein R.sup.1 is hydrogen, lower alkyl, aryl or aralkyl of up to 6 C-atoms, COR.sup.2, wherein R.sup.2 is lower alkyl of up to 6 C-atoms, or Y is CHCOOR.sup.3, wherein R.sup.3 is hydrogen or lower alkyl or Y is NNR.sup.4 R.sup.5, wherein R.sup.4 and R.sup.5 can be the same or different and each is hydrogen, lower alkyl, C.sub.6-10 -aryl, C.sub.7-10 -aralkyl or CONR.sup.6 R.sup.7, wherein R.sup.6 and R.sup.7 can be the same or different and each is hydrogen or lower alkyl or R.sup.4 and R.sup.5 together with the connecting N-atom, for a 5- or 6-membered heterocyclic ring which optionally may also contain an O-atom or up to 3 N-atoms and which optionally may be substituted by a lower alkyl group; Z is hydrogen, or alkoxy or aralkoxy each of up to 10 C-atoms and each optionally substituted by hydroxy, or Z is alkyl of up to 6 C-atoms, C.sub.6-10 -aryl or C.sub.7-10 -aralkyl each of which may optionally be substituted by a COOR.sup.8 -- or a CONR.sup.9 R.sup.10 group, wherein R.sup.8 is alkyl of up to 6 C-atoms, and R.sup.9 and R.sup.10 can be the same or different and each is hydrogen or alkyl of up to 6 C-atoms; or Z is NR.sup.9 R.sup.10, wherein R.sup.9 and R.sup.10 are as defined above; or Z is NR.sup.11 CHR.sup.12 R.sup.13, wherein R.sup.11 and R.sup.12 each is hydrogen or together form a N.dbd.C double bond, wherein R.sup.13 is C.sub.1-10 -alkyl or NR.sup.14 R.sup.15, wherein R.sup.14 and R.sup.15 are the same or different and each is hydrogen, OH or alkyl or alkoxy each of up to 6 C-atoms, or wherein R.sup.12 and R.sup.13 together are oxygen, in which case, R.sup.11 is hydrogen; or Z is COOR.sup.2 wherein R.sup.2 is as defined above; or Y and Z, together with the connecting C-atom, may form a 5- or 6-membered heterocyclic ring which contains an O-atom, adjoining O- and N-atoms or up to 4 N atoms and which optionally may be substituted by a lower alkyl group, hydroxy or oxo have valuable psychotropic properties which make them useful for example as tranquilizers.
式##STR1##所示的3-取代的β-咔啉,其中R^C为氢、低级烷基、至多6个碳原子的烷氧基烷基、3-6个碳原子的环烷基、至多8个碳原子的芳烷基,或(CH2)nOR^20,其中R^20为至多6个碳原子的烷基、3-6个碳原子的环烷基或至多8个碳原子的芳烷基,n为1至3的整数;Y为氧、两个氢原子或NOR^1,其中R^1为氢、低级烷基、芳基或至多6个碳原子的芳烷基、COR^2,其中R^2为至多6个碳原子的低级烷基,或Y为CHCOOR^3,其中R^3为氢或低级烷基,或Y为NNR^4 R^5,其中R^4和R^5可以相同或不同,各自为氢、低级烷基、C6-10-芳基、C7-10-芳烷基或CONR^6 R^7,其中R^6和R^7可以相同或不同,各自为氢或低级烷基,或R^4和R^5与连接的N原子一起,形成一个5或6元杂环环,该环可选择性地包含一个O原子或最多3个N原子,并且可选择性地被一个低级烷基取代;Z为氢,或至多10个碳原子的烷氧基或芳烷氧基,每个可选择性地被羟基取代,或Z为至多6个碳原子的烷基、C6-10-芳基或C7-10-芳烷基,每个可选择性地被COOR^8或CONR^9 R^10取代,其中R^8为至多6个碳原子的烷基,R^9和R^10可以相同或不同,各自为氢或至多6个碳原子的烷基;或Z为NR^9 R^10,其中R^9和R^10如上定义;或Z为NR^11 CHR^12 R^13,其中R^11和R^12各自为氢或一起形成一个N=C双键,其中R^13为C1-10-烷基或NR^14 R^15,其中R^14和R^15相同或不同,各自为氢、OH或至多6个碳原子的烷基或烷氧基,或其中R^12和R^13一起为氧,在这种情况下,R^11为氢;或Z为COOR^2,其中R^2如上定义;或Y和Z,与连接的C原子一起,可以形成一个含有O原子、相邻的O和N原子或最多4个N原子的5或6元杂环环,该环可选择性地被一个低级烷基、羟基或oxo取代,具有有价值的神经精神性质,使它们可用于例如作为镇静剂。