process for the preparation of a compound of formula (v), compound of formula (vi), (v), (iii), (ii) and their stereoisomer salts and use of a compound of formula (vi), (v), (iii), (ii), (i), a salt or stereoisomer thereof

摘要

process for the preparation of a compound of formula (v), compound of formula (vi), (v), (iii), (ii) and their stereoisomer salts and use of a compound of formula (vi), (v), (iii), (ii), (i). The invention relates to a process for the preparation of intermediates 1-aryl pyrazol-3-one, tautomers and their salts, to novel intermediates and the use of the compounds. intermediates in the preparation of sigma receptor inhibitors.