Patent ID: 7179946
Filing Date: 2007-02-20
Classification: C07B,C07C,C07F

Abstract:
1. A process for preparing a compound(s) of the formula (IV) in which n is 1, 2 or 3and Ar is a substituted or unsubstituted aromatic radical and F is oxygen, sulphur, NR R comprising reacting a compound(s) of the formula (V) in which Ar is as defined above and Z is chlorine, bromine, iodine, a diazonium salt or sulphonate with a compound(s) of the formula (VI) in which F and R in the presence of base and a compound(s) of the formula (I) in which Het B B Xis halide, (C p is 0, 1, or 2 and n is 1, 2or 3 and m is 1, 2, 3, 4, 5 or 6.