Patent number: 5073564
Abstract: Ethynylbenzothiophene compounds of the following formula are effective as pesticides. ##STR1## wherein R is selected from ##STR2## R.sup.1 is selected from hydrogen, halogen, lower alkyl, lower haloalkyl, and phenylethynyl;R.sup.2 is selected from hydrogen, halogen, lower alkyl, lower alkylthio, lower haloalkenyl, haloalkenylthio, phenyl lower alkenyl, formyl, lower alkoxycarbonyl, carboxy lower alkenyl, lower alkoxycarbonyl lower alkenyl, phenyl, 2-thienyl, and methylthien-2-yl;R.sup.3 is selected from alkyl, lower trialkylsilyl, lower haloalkyl, hydroxyalkyl, alkylcarbonyl, methylthien-2-yl, 2-thienyl, and benzothien-2-yl;R.sup.4 is selected from hydrogen, halogen, lower alkyl, lower haloalkyl, lower alkoxy, lower haloalkylthio, lower alkoxycarbonyl, amino, and alkylcarbonylamino; andR.sup.5 is selected from hydrogen, lower alkyl and lower haloalkyl.
Type:
Grant
Filed:
July 6, 1990
Date of Patent:
December 17, 1991
Assignee:
FMC Corporation
Inventors:
David M. Roush, Steven G. Davis, Kathryn A. Lutomski, Gary A. Meier, Richard B. Phillips, Susan E. Burkart