公开(公告)号：US3778448A

公开(公告)日：1973-12-11

申请号：US3778448D

申请日：1970-09-23

Applicant: BASF AG

Inventor： STURM H ,  TRITSCHLER C

IPC: C07D209/08 ,  C07D209/86 ,  C07D27/56

CPC classification number: C07D209/86 ,  C07D209/08

Abstract: MANUFACTURE OF 1,2,3,3-TETRA-SUBSTITUTED INDOLENINIUM SALTS BY REACTING A SUBSTITUTED INDOLE WITH AN ALKYLATING AGENT IN THE PRESENCE OF COMPOUNDS OF METALS IN GROUP II OF THE PERIODIC SYSTEM. THE COMPOUND SPRODUCED BY THE PROCESS OF THE INVENTION ARE VALUABLE INTERMEDIATES FOR THE MANUFACTURE OF DYES AND PESTICIDES.