Process for the preparation of therapeutically active 8- halogen-11-(4-piperidylidene)-6,11-dihydro-5H- benzo[5,6]cyclohepta[1,2-b]-pyridine

摘要

The invention relates to a process for the preparation of compounds of the general formula XIII <IMAGE> wherein either R2 is H or Cl and R3 is CF3, F, Cl, Br or I; or R2 is CF3, F, Br or I and R3 is H, CF3, Cl, Br or I; and pharmaceutically acceptable salts thereof.