3-VINYL- AND 3-ETHINYL-.beta.CARBOLINES THEIR PRODUCTION AND THEIR USE AS DRUGS

摘要

Compounds of formula I wherein: R1 is hydrogen or a protecting group; R2 is -CH=CR42 or -C=CR4; R4 is hydrogen or halogen; R3 is hydrogen, lower alkyl, or lower alkoxyalkyl; RA is, inter alia, hydrogen , OR7, lower alkyl, which optionally is substituted with aryl, lower alkoxy or NR5R6, R5 and R6 can be the same or different and in each case is hydrogen, lower alkyl or together with the nitrogen atom a 5-6 member ring, which can contain another heteratom, R7 is lower alkyl, optionally substituted aryl or aralkyl, and each compound can contain one or more RA radicals which are not hydrogen, have valuable pharmacological properties.