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    • 5. 发明授权
    • Substituted 2,3-dihydrobenzofurylmethyl esters, their use in pest
control, and pest control agents containing these compounds
    • 取代的2,3-二氢苯并呋喃甲基酯,它们在病虫害防治中的用途和含有这些化合物的害虫控制剂
    • US4298615A
    • 1981-11-03
    • US172526
    • 1980-07-28
    • Gerd-Ulrich SchwarzKarl KiehsWalter BoellHeinrich Adolphi
    • Gerd-Ulrich SchwarzKarl KiehsWalter BoellHeinrich Adolphi
    • A01N43/12A01N53/00A01N53/04A01N57/00C07D307/79A01N43/08C07D307/82
    • C07D307/79A01N43/12A01N53/00
    • Substituted 2,3-dihydrobenzofurylmethyl esters of the formula I ##STR1## where R.sup.8 is hydrogen or alkyl of up to 5 carbon atoms, R.sup.9 is alkyl, haloalkenyl or haloalkynyl, each of up to 5 carbon atoms,R.sup.10 is halogen or alkyl of up to 5 carbon atoms,R.sup.11 is halogen or alkyl of up to 5 carbon atoms, A is halogen, alkyl, alkoxy, trihaloalkyl or trihaloalkoxy, each of up to 5 carbon atoms, cyano or nitro,B is alkyl, alkenyl or alkynyl, each of up to 4 carbon atoms, or an alicyclic radical of 3 to 7 carbon atoms and n is from 0 to 3,R.sup.2 is hydrogen, cyano or alkyl, alkenyl or alkynyl, each of up to 5 carbon atoms, andR.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are identical or different and each is hydrogen, halogen or alkyl, alkenyl, alkynyl or alkoxy, each of up to 5 carbon atoms, and R.sup.9 may also be alkenyl of up to 5 carbon atoms if R.sup.2 is cyano or is alkyl, alkenyl or alkynyl, each of up to 5 carbon atoms.The novel compounds are useful in pest control.
    • 取代的取代的2,3-二氢苯并呋喃基甲基酯其中R8是氢或至多5个碳原子的烷基,R9是烷基,卤代烯基或卤代炔基,各自至多5个碳原子,R10是 卤素或至多5个碳原子的烷基,R11为卤素或至多5个碳原子的烷基,A为卤素,烷基,烷氧基,三卤代烷基或三卤代烷氧基,各为至多5个碳原子,氰基或硝基,B为烷基, 至多4个碳原子的链烯基或炔基,或3至7个碳原子的脂环族基团,n为0-3,R2为氢,氰基或烷基,烯基或炔基,各自至多5个碳原子, 并且R 3,R 4,R 5,R 6和R 7是相同或不同的,各自为氢,卤素或烷基,烯基,炔基或烷氧基,各自至多5个碳原子,并且R 9还可以是至多5个碳原子的链烯基, R2是氰基或烷基,烯基或炔基,各自至多5个碳原子。 新型化合物可用于病虫害防治。