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    • 31. 发明授权
    • Preparation of epoxides
    • 环氧化物的制备
    • US4568759A
    • 1986-02-04
    • US587476
    • 1984-03-08
    • Chester E. Pawloski
    • Chester E. Pawloski
    • C07D301/02
    • C07D301/02
    • This invention is a process for the preparation of an epoxide which comprises contacting a 2-haloalkyl or 2,3-dihaloalkyl carbonate, bis(2-haloalkyl- or 2,3-dihaloalkyl)carbonate, or 2-haloalkyl or 2,3-dihaloalkyl ester dissolved in a water-miscible alcohol with a sufficient amount of an aqueous solution of an alkali metal or alkaline earth metal hydroxide to provide at least one equivalent of alkali metal or alkaline earth metal hydroxide per equivalent of ester or carbonate, at a temperature of between about 0.degree. C. and 70.degree. C. under conditions such that an epoxide is prepared.
    • 本发明是制备环氧化物的方法,其包括使2-卤代烷基或2,3-二卤代烷基碳酸酯,双(2-卤代烷基 - 或2,3-二卤代烷基)碳酸酯或2-卤代烷基或2,3- 二卤代烷基酯与足够量的碱金属或碱土金属氢氧化物的水溶液溶解在水混溶性醇中,以在每一当量的酯或碳酸酯中提供至少一当量的碱金属或碱土金属氢氧化物 在约0℃至70℃之间条件下制备环氧化物。
    • 36. 发明授权
    • Heterocyclic substituted triazolyl phosphorous compounds and their use
as insecticides
    • 杂环取代三唑基磷化合物及其作为杀虫剂的用途
    • US4357327A
    • 1982-11-02
    • US260533
    • 1981-05-04
    • Chester E. Pawloski
    • Chester E. Pawloski
    • A01N57/08C07D213/77C07F9/6518C07F9/6558C07D237/28C07D237/30C07D241/40A61K31/495
    • C07D213/77A01N57/08C07F9/65185C07F9/65583
    • Compounds are prepared which correspond to the formula ##STR1## wherein R represents a nitrogen containing heterocyclic radical corresponding to one of the formulae ##STR2## each X independently represents chloro, fluoro, bromo, nitro, alkyl of 1 to 4 carbon atoms, amino, mono- or dialkylamino wherein each alkyl group independently contains from 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, cyano, trifluoromethyl, trichloromethyl, phenoxy or substituted phenoxy of the formula ##STR3## wherein each Z independently represents chloro, fluoro, bromo, nitro, cyano, alkoxy of 1 to 4 carbon atoms or alkylthio of 1 to 4 carbon atoms, with the proviso that when either n is 2 or 3, all X groups are sterically compatible with each other and all Z groups are sterically compatible with each other; Y represents oxygen or sulfur; each n can independently represent an integer of from 0 to 3, inclusive; R.sup.1 represents hydrogen, chloro, fluoro, bromo, alkyl of 1 to 4 carbon atoms, cycloalkyl of 3-6 carbon atoms, phenyl, phenylthio, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, thiocyanato, trifluoromethyl, trichloromethyl, amino, mono- or dialkylamino wherein each alkyl group independently contains from 1 to 4 carbon atoms; R.sup.2 represents methyl, ethyl, propyl or isobutyl and R.sup.3 represents methoxy, ethoxy, propoxy, ethyl, mono- or dialkylamino wherein each alkyl group independently contains from 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms or phenyl.
    • 制备符合下式的化合物:其中R表示与下式之一相对应的含氮杂环基,每个X独立地表示氯,氟,溴,硝基 ,1至4个碳原子的烷基,氨基,单 - 或二烷基氨基,其中每个烷基独立地含有1至4个碳原子,1至4个碳原子的烷氧基,1至4个碳原子的烷硫基,1至4个碳原子的烷基亚磺酰基 1至4个碳原子的烷基磺酰基,氰基,三氟甲基,三氯甲基,苯氧基或取代的苯氧基,其中每个Z独立地表示氯,氟,溴,硝基,氰基,1-4个碳原子的烷氧基或烷硫基 具有1至4个碳原子,条件是当n为2或3时,所有X基彼此在空间上相容,并且所有Z基彼此在空间上相容; Y表示氧或硫; 每个n可以独立地表示0至3的整数,包括0和3; R 1表示氢,氯,氟,溴,1至4个碳原子的烷基,3-6个碳原子的环烷基,苯基,苯硫基,1至4个碳原子的烷氧基,1至4个碳原子的烷硫基,1至 4个碳原子,1至4个碳原子的烷基磺酰基,硫氰酸酯,三氟甲基,三氯甲基,氨基,一或二烷基氨基,其中每个烷基独立地含有1至4个碳原子; R 2表示甲基,乙基,丙基或异丁基,R 3表示甲氧基,乙氧基,丙氧基,乙基,单 - 或二烷基氨基,其中各烷基独立地含有1至4个碳原子,1至4个碳原子的烷硫基或苯基。