1,3,4,5-TETRAHYDROBENZ/C,D/INDOLER, DERAS FRAMSTAELLNINGSFOERFARANDE OCH ANVAENDNING.

摘要

1. Tetrahydrobenzindoles of the general formula see diagramm : EP0148440,P9,F1 in which R1 and R2 denote hydrogen or C1 -C6 -alkyl or, together with the nitrogen atom, form a heterocyclic 5-membered or 6-membered ring which is optionally substituted by 1 or 2 C1 -C6 -alkyl groups, and X represents OR3 or SR3 , wherein R3 denotes hydrogen or C1 -C4 -alkyl, and salts thereof.