申请人:Ciba-Geigy Corporation
公开号:US04737496A1
公开(公告)日:1988-04-12
The invention relates to 1,3,4,16b-tetrahydro-2H,10H-indolo[2,1-c]pyrazino[1,2-a][1,4]benzodiazepin e derivatives of the formula I, ##STR1## wherein R.sup.1 is hydrogen, lower alkyl, C.sub.3-7 -alkenyl, C.sub.3-7 -alkynyl, 3 to 7 ring-membered cycloalkyl, C.sub.2-7 -alkyl substituted by a substituent selected from hydroxy, amino, N-mono-lower alkyl-amino and N,N-di-lower alkyl-amino; or R.sup.1 is lower alkyl substituted by a substituent selected from 3 to 7 ring-membered cycloalkyl, carboxy, lower alkoxycarbonyl, carbamoyl, N-mono-lower alkyl-carbamoyl, N,N-di-lower alkyl-carbamoyl and lower alkanoyl; or R.sup.1 is lower alkyl substituted by either phenyl or benzoyl each of said phenyl or benzoyl radicals being unsubstituted or substituted by up to three members selected from lower alkyl, lower alkoxy, lower alkylthio, halogen and trifluoromethyl; R.sup.2 and R.sup.3 represent hydrogen, lower alkyl, hydroxy, lowr alkoxy, halogen or trifluoromethyl; and R.sup.4 represents hydrogen, lower alkyl, hydroxy-lower alkyl, carboxy, lower alkoxycarbonyl, carbamoyl, N-mono- or N,N-di-lower alkyl-carbamoyl, or formyl; salts and 2N-oxides; which are useful as serotonin-2 receptor antagonists.
该发明涉及式I的1,3,4,16b-四氢-2H,10H-吲哚[2,1-c]吡唑[1,2-a][1,4]苯二氮杂环己烷衍生物,其中R.sup.1为氢、较低的烷基、C.sub.3-7-烯基、C.sub.3-7-炔基、3至7环成员的环烷基、由羟基、氨基、N-单较低烷基氨基和N,N-二较低烷基氨基中选择的取代基取代的C.sub.2-7-烷基;或者R.sup.1为由3至7环成员的环烷基、羧基、较低烷氧羰基、氨基甲酰基、N-单较低烷基氨基甲酰基、N,N-二较低烷基氨基甲酰基和较低烷酰基中选择的取代基取代的较低烷基;或者R.sup.1为由苯基或苯甲酰基中的任一取代基取代的较低烷基,所述苯基或苯甲酰基基团未取代或取代的取代基为最多三个成员,所述成员选择自较低烷基、较低烷氧基、较低烷硫基、卤素和三氟甲基;R.sup.2和R.sup.3代表氢、较低烷基、羟基、较低烷氧基、卤素或三氟甲基;R.sup.4代表氢、较低烷基、羟基较低烷基、羧基、较低烷氧羰基、氨基甲酰基、N-单或N,N-二较低烷基氨基甲酰基或甲酰基;盐和2N-氧化物;这些衍生物可用作5-羟色胺-2受体拮抗剂。