PROCESS FOR PREPARING IMIDAZO (1,2-C)PYRAZOLO(3,4-E)PYRIMIDINES

摘要

Pyrimidines(I; the brocken bonds a and b indicate opt. double bonds, but they are not both double; R1-5 are H, C1-6 alkyl or C1-3 fluoroalkyl; or when bond a is single, R4 may be H/H and R5 di-(C1-6) alkyl or R5 may be H and R4 is di-(C1-6) alkyl useful as antipsychotic agents, are prepd. by the reaction of (II) and anion selected from iodides and azides.