Novel indole carboxamides

A compound selected from the group consisting of indole-carboxamides of the formula ##STR33## wherein R and R.sub.1 are individually selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, cycloalkyl or 3 to 7 carbon atoms, cycloalkylalkyl of 4 to 7 carbon atoms and aralkyl of 7 to 12 carbon atoms unsubstituted or substituted with 1 to 3 members of the group consisting of halogen, methyl, ethyl, methoxy, ethoxy, --CF.sub.3, CH.sub.2 S--, --NH.sub.2 and --NO.sub.2 or R.sub.1 and R taken together with the nitrogen atom to which they are attached are selected from the group consisting of pyrrolidiino, piperidino, morpholino, piperazinyl, methylpiperazinyl, ethylpiperazinyl, propylpiperazinyl and a phenyl piperazinyl with the phenyl optionally substituted with 1 to 3 members of the group consisting of hydrogen halogen, methyl, ethyl, methoxy, ethoxy, CF.sub.3 --, CH.sub.3 S--, --NH.sub.2 and --NO.sub.2, R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 3 carbon atoms, chlorine, bromine, iodine, --NO.sub.2, --NH.sub.2, acylamide of an aliphatic carboxylic acid of 2 to 5 carbon atoms and mono and dialkylamino with alkyl of 1 to 5 carbon atoms, a and b form .dbd.O and c is hydrogen or a and c form a carbon-carbon bond and b is hydrogen, A is selected from the group consisting of --(CH.sub.2).sub.n --and ##STR34## n is an integer from 2 to 5, m is an integer from 1 to 3, B is ##STR35## R.sub.2 is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms and non-toxic, pharmaceutically acceptable acid addition salts thereof.