Patent ID: 6221810
Filing Date: 2001-04-24
Classification: A01N,C07D

Abstract:
A 3-hydroxy4-aryl-5-oxo-pyrazoline derivative of the formula ##STR132##in whichA and B together with the two nitrogen atoms of the pyrazoline ring represent ##STR133##X represents C.sub.1 -C.sub.6 -alkyl, halogen or C.sub.1 -C.sub.6 -alkoxy,Y represents hydrogen, C.sub.1 -C.sub.6 -alkyl, halogen, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.3 -halogenoalkyl,Z represents C.sub.1 -C.sub.6 -alkyl, halogen or C.sub.1 -C.sub.6 -alkoxy,n represents a number 0, 1, 2 or 3.