Derivatives of indol-7-carboxamide as analgesics.

摘要

SOME INDOL-7-CARBOXAMIDE DERIVATIVES OF FORMULA (I) ARE DESCRIBED WHERE R1 THROUGH R6 ARE INDEPENDENTLY H, LOWER ALKYL; AND IN ADDITION R3 AND R4 CAN BE JOINED TO FORM A RING OF PIPERAZINE OF FORMULA (II) WHERE R7 IS H, LOWER RENT, ARYL, LOWER ARYL, PYRIMIDYL; R4 AND R5 MAY BE JOINED TO FORM A FORMULA (III) PIRROLIDINE RING, WHERE R8 IS H, LOWER ALKYL, LOWER ARYLALKYL; X IS H, LOWER ALKYL, HALOGEN, NO2, CF3, NH2, OR9; WHERE R9 IS LOWER ALKYL ARYLOALKYL LOWER AND N IS AN INTEGER FROM 1 TO 3; AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS AND OPTICAL ISOMERS WHERE ISOMERS EXIST