Patent ID: 6498265
Filing Date: 2002-12-24
Classification: C07C,C07D

Abstract:
A compound of formula IV or salt thereof, in which:X is fluorine; n is 0, or 1; T is hydrogen or C1-C6alkyl; Z is COâ€”A; A is OR1, or SR2; R1 and R2 are hydrogen, a substituted, open chain, saturated or unsaturated hydrocarbon radical containing not more than 8 carbon atoms, a substituted or unsubstituted cyclic, saturated or unsaturated hydrocarbon radical containing not more than 10 carbon atoms, substituted or unsubstituted benzyl or phenethyl, a substituted or unsubstituted alkanoyl group or a substituted or unsubstituted heterocyclyl radical; or R3 and R4, together with the nitrogen atom to which they are bonded, are a 5- or 6-membered substituted or unsubstituted heterocyclic radical having 1-3 heteroatoms O,S, and/or N; with the exception of the compound in which Z is COOC2H5, n is 0 and T is hydrogen.