会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 43. 发明授权
    • 3,4-dihydro-2H-pyrans useful as pesticides
    • 3,4-二氢-2H-吡喃可用作农药
    • US4876275A
    • 1989-10-24
    • US176700
    • 1988-04-01
    • Walter HimmeleHans TheobaldFranz MergerErnst HofmannChristoph KuenastPeter Hofmeister
    • Walter HimmeleHans TheobaldFranz MergerErnst HofmannChristoph KuenastPeter Hofmeister
    • A01N43/16A01N43/28A01N43/30A01N43/32C07D309/30C07D407/12
    • C07D407/12A01N43/16A01N43/28A01N43/30A01N43/32C07D309/30
    • 3,4-dihydro-2H-pyrans of the formula I ##STR1## where R.sup.1 is C.sub.4 -C.sub.20 -alkyl, C.sub.4 -C.sub.20 -alkoxyalkyl, aryl or C.sub.7 -C.sub.20 -arylalkyl, or is aryl or C.sub.7 -C.sub.20 -arylalkyl which bears from one to three substituents selected from the group consisting of halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -haloalkyl, C.sub.1 -C.sub.8 -alkoxy or C.sub.1 -C.sub.8 -haloalkoxy, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.3 is aryl, or aryl bearing from one to three substituents selected from the group consisting of halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -haloalkyl, C.sub.1 -C.sub.8 -alkoxy or C.sub.1 -C.sub.8 -haloalkoxy, or the radical ##STR2## where R.sup.4, R.sup.5 and R.sup.6 are hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.7 is phenyl or benzoyl, or phenyl or benzoyl bearing from one to three substituents selected from the group consisting of halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -haloalkyl, C.sub.1 -C.sub.8 -alkoxy and C.sub.1 -C.sub.8 -haloalkoxy, or a five- or six-membered heterocycle containing one or two oxygen atoms and which is either unsubstituted or substituted by one to three C.sub.1 -C.sub.8 -alkyl groups or one C.sub.3 -C.sub.6 -spirocycloalkyl, and l, m and n are 0 or 1, and their use for combating pests.
    • 其中R 1是C 4 -C 20烷基,C 4 -C 20烷氧基烷基,芳基或C 7 -C 20芳基烷基,或者是芳基或C 7 -C 20 - 芳基烷基, 1至3个选自卤素,C 1 -C 8 - 烷基,C 1 -C 8 - 卤代烷基,C 1 -C 8 - 烷氧基或C 1 -C 8 - 卤代烷氧基的取代基的芳基烷基,R 2为氢或C 1 -C 4烷基, R3是芳基或带有1至3个选自卤素,C 1 -C 8 - 烷基,C 1 -C 8 - 卤代烷基,C 1 -C 8 - 烷氧基或C 1 -C 8 - 卤代烷氧基的取代基的芳基或基团< 其中R 4,R 5和R 6是氢或C 1 -C 4 - 烷基,R 7是苯基或苯甲酰基,或苯基或苯甲酰基,其带有一至三个选自卤素,C 1 -C 8 - 烷基,C 1 -C 8 - ,C 1 -C 8 - 烷氧基和C 1 -C 8 - 卤代烷氧基,或含有一个或两个氧原子的五元或六元杂环,其未被取代或被一至三个C 1 -C 8烷基或一个C 3 -C 6 - 螺环烷基,l,m和n为0或1, 用于防治害虫。
    • 45. 发明授权
    • Preparation of polyphenylene ethers
    • 聚苯醚的制备
    • US4618668A
    • 1986-10-21
    • US722154
    • 1985-04-11
    • Volker MuenchJuergen HambrechtWalter HimmeleAdolf EchteJohann Swoboda
    • Volker MuenchJuergen HambrechtWalter HimmeleAdolf EchteJohann Swoboda
    • C08G65/44C08G65/46
    • C08G65/44
    • High molecular weight polyphenylene ethers are prepared from monohydric phenols by an oxidative coupling reaction with oxygen in the presence of a solvent and of a catalyst complex consisting of a copper salt and an organic amine of the general formula ##STR1## where R.sup.1 is C.sub.2 -C.sub.20 -alkylidene, preferably C.sub.2 -C.sub.12 -alkylidene, or alkenylidene, R.sup.2 is H or C.sub.1 -C.sub.12 -alkyl, preferably C.sub.1 -C.sub.4 -alkyl, or C.sub.5 -C.sub.8 -cycloalkyl, each of which is unsubstituted or substituted by functional groups, and n is an integer from 1 to 4, preferably 1 or 2. Preferred functional groups are --OR.sup.3, --NHR.sup.3 or --SR.sup.3, in which R.sup.3 is H C.sub.1 -C.sub.12 -alkyl or C.sub.5 -C.sub.8 -cycloalkyl, and the most suitable amines are 3-tert.-butoxypropylamine, 4-tert.-butoxybutylamine, 3-tert.-butoxy-2-methylpropylamine, 3-tert.-butoxy-2,3-dimethylpropylamine, 3-tert.-butoxy-2-methyloctylamine and N-methyl-N-(4-tert.-butoxybutyl)-amine. The polyphenylene ethers can be processed to moldings by a thermoplastic method.
    • 高分子量聚苯醚通过在溶剂存在下与氧气的氧化偶联反应和由通式为“IMAGE”的铜盐和有机胺组成的催化剂络合物由一元酚制备,其中R1为C2-C20 亚烷基,优选C 2 -C 12亚烷基或亚烯基,R 2是H或C 1 -C 12烷基,优选C 1 -C 4 - 烷基或C 5 -C 8 - 环烷基,其各自是未取代的或被官能团取代,n 是1至4的整数,优选1或2.优选的官能团是-OR 3,-NHR 3或-SR 3,其中R 3是H-C 1 -C 12 - 烷基或C 5 -C 8 - 环烷基,最合适的胺是3 叔丁氧基丙基胺,4-叔丁氧基丁胺,3-叔丁氧基-2-甲基丙胺,3-叔丁氧基-2,3-二甲基丙胺,3-叔丁氧基-2-甲基辛胺和N- 甲基-N-(4-叔丁氧基丁基) - 胺。 可以通过热塑性方法将聚苯醚加工成模制品。