申请人:Ciba-Geigy Corporation
公开号:US05162349A1
公开(公告)日:1992-11-10
Mercapto-bis-[1,3,4-oxa- and -thiadiazoles] ##STR1## in which X.sub.1 and X.sub.2 independently of one another are oxygen or sulfur, R.sub.1 is hydrogen or C.sub.1 -C.sub.5 alkyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.3 alkoxy or cyano; C.sub.3 -C.sub.7 alkenyl which is unsubstituted or substituted by halogen; or C.sub.3 -C.sub.7 alkynyl which is unsubstituted or substituted by halogen, R.sup.2 is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.3 alkoxy which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.3 alkylthio which is unsubstituted or substituted by halogen, C.sub.3 -C.sub.7 alkenylthio which is unsubstituted or substituted by halogen, C.sub.3 -C.sub.7 alkylnylthio which is unsubstituted or substituted by halogen, --SH, phenyl which is unsubstituted or substituted by halogen or ##STR2## in which R.sub.3 and R.sub.4 are C.sub.1 -C.sub.3 alkyl, and processes for the preparation of the compounds of the formula I are described. The compounds of the formula I have nematocidal and microbicidal properties. Nematocidal compositions which contain at least one active substance of the formula I as the active substance and furthermore processes for the use of the active substances and the compositions in combating nematodes and fungi which are harmful to plants are described.
Mercapto-bis-[1,3,4-oxa-和-thiadiazoles] ##STR1## 其中X.sub.1和X.sub.2互相独立,为氧或硫,R.sub.1为氢或C.sub.1-C.sub.5烷基,未被卤素取代或被卤素、C.sub.1-C.sub.3烷氧基或氰基取代;C.sub.3-C.sub.7烯基,未被卤素取代或被卤素取代;或C.sub.3-C.sub.7炔基,未被卤素取代或被卤素取代,R.sup.2为氢,C.sub.1-C.sub.5烷基,未被卤素取代或被卤素、C.sub.1-C.sub.3烷氧基取代,未被卤素取代或被卤素、C.sub.1-C.sub.3烷硫基取代,未被卤素取代或被卤素、C.sub.3-C.sub.7烯基硫基取代,未被卤素取代或被卤素、C.sub.3-C.sub.7烷基硫基取代,--SH,苯基,未被卤素取代或被卤素取代或##STR2##其中R.sub.3和R.sub.4为C.sub.1-C.sub.3烷基,并描述了制备式I化合物的过程。式I化合物具有线虫杀和微生物杀性。本文还描述了至少含有式I中至少一种活性物质作为活性物质的线虫杀组合物,并进一步描述了使用活性物质和组合物在防治对植物有害的线虫和真菌方面的方法。