申请人:BASF Aktiengesellschaft
公开号:US04298615A1
公开(公告)日:1981-11-03
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, and R.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.
公式 I 的2,3-二氢苯并呋喃甲酸甲酯,其中 R.sup.8 是氢或最多有5个碳原子的烷基,R.sup.9 是最多有5个碳原子的烷基、卤代烯基或卤代炔基,R.sup.10 是卤素或最多有5个碳原子的烷基,R.sup.11 是卤素或最多有5个碳原子的烷基,A 是卤素、烷基、烷氧基、三卤代烷基或三卤代烷氧基,每个最多有5个碳原子,氰基或硝基,B 是烷基、烯基或炔基,每个最多有4个碳原子,或者是3到7个碳原子的脂环基,n 为0到3,R.sup.2 是氢、氰基或烷基、烯基或炔基,每个最多有5个碳原子,R.sup.3、R.sup.4、R.sup.5、R.sup.6 和 R.sup.7 相同或不同,每个是氢、卤素或烷基、烯基、炔基或烷氧基,每个最多有5个碳原子,如果 R.sup.2 是氰基或是烷基、烯基或炔基,每个最多有5个碳原子,那么 R.sup.9 也可以是最多有5个碳原子的烯基。这些新化合物在害虫控制中有用。