Patent ID: 7803941
Filing Date: 2010-09-28
Classification: C07B,C07C,C07D

Abstract:
1. Process for preparing a compound of formula (I) in which A is N, D is N, E is CH, and X by reacting a compound of the general formula (II) in which A is N, D is N, E is CH, X Hal is Cl, Br or I, with a fluoride in the presence of at least one compound of the general formula (III) in which A is a radical of the formulae (IV) or (V) and B, independently of A, is a radical of the formulae (IV), (V), (VIa) or (VIb) where group in formula (VIa) may also be a radical of a saturated or unsaturated 4- to 8-membered ring which contains two nitrogen atoms and otherwise carbon atoms, X is N or P and An characterized in that the reaction is effected in one stage.