Process for preparing high cis 3-(2,2,2-trichloroethyl)-2,2-dimethylcyclopropane-1-carboxylates
申请人:FMC Corporation
公开号:EP0003683A2
公开(公告)日:1979-08-22
A process is described whereby esters of 3-(2,2,2-trichloroethyl) - 2,2- dimethylcyclopropane - 1 - carboxylic acid are prepared predominantly in their cis isomer form. The process comprises treating a 4,6,6,6-tetrachloro-3,3-dimethylhexanoate with an alkali metal tert-alkoxide under controlled conditions of temperature in the presence of a defined solvent-cosolvent mixture. The products of the process are intermediates in the production of pyrethroid insecticides.
Dichlorvinylcyclopropankarbonsäureester, Verfahren zu ihrer Herstellung und ihre Verwendung in der Schädlingsbekämpfung
申请人:CIBA-GEIGY AG
公开号:EP0015238A1
公开(公告)日:1980-09-03
Cyclopropancarbonsäureester der Formel
worin R1 Wasserstoff, Cyano, Aethinyl oder Prop-1-inyl bedeutet, Verfahren zu ihrer Herstellung und ihre Verwendung in der Schädlingsbekämpfung.
A pour-on formulation comprising one or more ectoparasiticides in a solvent system comprising 80 to 98% w/v of a fixed oil and 2 to 20% w/v of a volatile silicone, a method for its preparations and its use in the control of ectoparasiticides on animals.