METHOD OF PRODUCING NAPHTHALEN-2-YL-PYRAZOL-3-ONE INTERMEDIATE COMPOUNDS USED IN SYNTHESIS OF SIGMA RECEPTOR INHIBITORS

摘要

FIELD: chemistry.SUBSTANCE: invention relates to novel naphthalen-2-yl-pyrazol-3-one intermediate compounds of formula (V) or (Va), a method for production thereof and use of said intermediate compounds to produce sigma receptor inhibitors.,where Rdenotes hydrogen, Calkyl or -C(=O)R; Rdenotes hydrogen, Calkyl or phenyl; Rdenotes hydrogen or Calkoxy; and Rdenotes hydrogen or Calkyl.EFFECT: obtaining novel naphthalen-2-yl-pyrazol-3-one intermediate compounds of formula (V) or (Va).15 cl, 1 tbl, 3 ex