| 摘要 |
<p>Cyclopropanecarboxylic esters of general formula <FORM:1067939/C2/1> wherein X is hydrogen or the methyl radical and R is the methyl or methoxycarbonyl radical are prepared by esterifying a glutarimide compound <FORM:1067939/C2/2> with a cyclopropanecarboxylic acid of formula <FORM:1067939/C2/3> or a methyl or ethyl ester, an acid halide or an acid anhydride. In a modification a halide of the glutarimide may be reacted with an alkali metal or ammonium salt of a cyclopropane carboxylic acid of the above formula. Chrysanthemic and pyrethric acids may be used and examples describe the preparation of N-(chrysanthemoxymethyl)-glutarimide, and N-(trans, trans - pyrethroxymethyl) - glutarimide and the -b -methylglutarimides thereof. The compounds have insecticidal activity and are used in compositions with or without other insecticides.ALSO:Insecticidal compositions contain as an active component esters of formula <FORM:1067939/A5-A6/1> wherein X is hydrogen or the methyl radical and R is the methyl or methoxycarbonyl group (see Division C2). Oil solutions, emulsifiable concentrate, wettable powder, dust, aerosol, mosquito coil, bait and other formulations using carriers, diluents or auxiliary agents are used and blends with pyrethrin, allethrin, O,O-dimethyl-0-(3-methyl-4-nitro phenyl) thiophospate, malathion, diazinone, dimethoate, g -BHC which improve the range are mentioned. Stabilisers such as alkyl phenol compounds may be present. Examples describe a solution of N-(chrysanthemoxymethyl)-glutarimide and N-(trans, trans-pyrethroxymethyl)-glutarimide in xylene and kerosene; a concentrate of N-(chrysanthemoxymethyl)-b -methyl-glutarimide, a surface active agent and kerosene emulsified in water; and a solution of N-(trans, transpyrethroxy-methyl)-b -methylglutarimide in acetone distributed on talc to form a dust preparation.</p> |
