process for preparing 2-nitrobiphenyl compounds of formula i, 2-aminobiphenyl compounds of formula vi, n-acyl-2-aminobiphenyls of general formula (vii), compound of formula i, compound of formula ii, compound of formula iii and compound of formula x.1 or x.2

摘要

The present invention relates to a process for preparing substituted 2-nitrobiphenyls and to specific 2-nitrobiphenyls. The invention further relates to a process for preparing 2-aminobiphenyls from such 2-nitrobiphenyls and to a process for preparing (het)arylamides of such 2-aminobiphenyls.