PROCESS FOR THE PREPARATION OF 1-ARYL-PYRAZOL-3-ONE INTERMEDIATES USEFUL IN THE SYNTHESIS OF SIGMA RECEPTORS INHIBITORS

摘要

The invention relates to a process for preparing 1-aryl-pyrazol-3-one intermediates, tautomers, and salts thereof, to novel intermediates, and to the use of the intermediates in the preparation of sigma receptor inhibitors.