N-(3-TRIMETHYLSTANNYLALKYLENE)-N'-PHENYLSULFONYL OR BENZOYL UREA DERIVATIVES,THEIR PREPARATION AND INSECTICIDAL COMPOSITIONS CONTAINING THEM

摘要

There are described N-(3-trimethylstannylalkylene)-N'-phenylsulfonyl- and -benzoylureas of the formula wherein R1 is hydrogen, C1-C6-alkyl or C3-C8-cycloalkyl, X is -CO- or -SO2-, and Y1, Y2 and Y3 independently of one another are each hydrogen, halogen, C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy or nitro. Also described are the production thereof and the use of the novel compounds for combating pests; and the intermediates of the formula wherein R1 is hydrogen, C1-C6-alkyl or C3-C8-cycloalkyl are likewise described.