METHOD OF SYNTHESIS OF HEXAHYDRO-8-METHYLPYRROLO[2,3-B]-INDOLE COMPOUNDS Russian patent published in 1998 - IPC

FIELD: organic chemistry, chemical technology. SUBSTANCE: product: compound of the formula (I): where: R - lower alkyl; R¹ - hydrogen, lower alkyl, lower cycloalkyl, lower cycloalkyl-(lower)-alkyl, lower bicycloalkyl, aryl or aryl-(lower)-alkyl; R² - lower alkyl, lower cycloalkyl, lower cycloalkyl-(lower)-alkyl, lower bicycloalkyl, aryl or aryl-(lower)-alkyl, or R¹ and R² taken together with nitrogen atom to which they are bound form group 3,4-dihydro-2(1H)-isoquinoline; X is lower alkyl, lower alkoxy, halide or trifluoromethyl and m = 0, 1 or 2. EFFECT: improved method of synthesis. 10 cl