Patent number: 4963575
Abstract: An N-phenylpyrazole derivative of the formula: ##STR1## wherein R.sup.1 represents cyano, nitro or halogen;R.sup.2 represents a group R.sup.5 SO.sub.2, R.sup.5 SO, or R.sup.5 S in which R.sup.5 represents alkyl, alkenyl or alkynyl unsubstituted or substituted by halogen;R.sup.3 represents azido or hydrazino, or pyrrol-1-yl, pyrazol-1-yl, imidazol-1-yl, 1,2,4-triazol-4-yl, 1,2,4-triazol-1-yl, 1,2,3-triazol-1-yl, 1,2,3-triazol-2-yl, piperidino, pyrrolidino, morpholino or N-alkylpiperazino, which may be substituted by alkyl or phenyl; andR.sup.4 represents phenyl substituted in the 2-position by fluorine, chlorine, bromine or iodine;in the 4-position by alkyl or alkoxy unsubstituted or substituted by halogen, or fluorine, chlorine, bromine or iodine; and unsubstituted or substituted in the 6-position by fluorine, chlorine, bromine or iodine and pesticidally acceptable acid addition salts thereof possess arthropodicidal, nematocidal, anthelmintic and anti-protozoal activity.
Type:
Grant
Filed:
July 14, 1989
Date of Patent:
October 16, 1990
Assignee:
May & Baker Ltd.
Inventors:
Ian G. Buntain, Leslie R. Hatton, David W. Hawkins, Christopher J. Pearson, David A. Roberts