Method for preparing Analgesic compounds 1 - oxa, aza - and tia - espirociclicos.

摘要

Process for the preparation of Analgesic compounds 1 - oxa, aza - and tia - espirociclicos, of General formula (i).Involves reacting a compound of formula (ii) with a compound of formula (iii), in which n is 1, 2, 3 or 4; is a simple Chemical Bond; X and y are selected from Hydrogen, halogen, Nitro, methoxy or trifluoromethyl, is 3 or 4; m; Z is Oxygen, Sulfur or sulfinilo Bivalent; R is HI Drogeno or rent is Oxygen or Sulfur; and P is 0, 1, 2,3 or 4; Q is 1; and R1 and R2 are each Hydrogen, alkyl or alilo.deaplicacion in the preparation of pharmaceutical compositions capable of relieving pain in warm blooded animals.