Herbicidal phenoxy-phenoxyalkane thio esters
    5.
    发明授权
    Herbicidal phenoxy-phenoxyalkane thio esters 失效
    除草苯氧基 - 苯氧基烷基硫代酯

    公开(公告)号:US4203758A

    公开(公告)日:1980-05-20

    申请号:US837815

    申请日:1977-09-29

    摘要: A herbicide which comprises a compound as an active ingredient having the formula ##STR1## wherein X represents --H or --Cl; Y represents halogen atom or cyano group; Z.sub.1 represents --H or methyl group; Z.sub.2 represents --H, methyl or ethyl group; Z.sub.3 represents cyano group or ##STR2## group; R represents hydroxy group, --O-- cation group, C.sub.1 -C.sub.4 alkylthio group, C.sub.2 -C.sub.4 alkenylthio group, C.sub.2 -C.sub.4 alkynylthio group, C.sub.1 -C.sub.4 alkoxy group, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkoxy group, C.sub.2 -C.sub.4 alkenyloxy group, C.sub.2 -C.sub.4 alkynyloxy group, amino group, C.sub.1 -C.sub.4 alkylamino group, di-C.sub.1 -C.sub.4 alkylamino group or anilino group which can be substituted with halogen atom or C.sub.1 -C.sub.4 alkyl group.

    摘要翻译: 一种除草剂,其包含化合物作为具有下式的活性成分:其中X表示-H或-Cl; Y表示卤素原子或氰基; Z1表示-H或甲基; Z2表示-H,甲基或乙基; Z 3表示氰基或基; R表示羟基,-O-阳离子基,C1-C4烷硫基,C2-C4链烯硫基,C2-C4炔硫基,C1-C4烷氧基,C1-C4烷氧基C1-C4烷氧基,C2-C4烯氧基 可以被卤素原子或C1-C4烷基取代的C 1 -C 4烷氧基,C 2 -C 4炔氧基,氨基,C 1 -C 4烷基氨基,二-C 1 -C 4烷基氨基或苯胺基。

    Process for producing trifluoromethylpyridines
    7.
    发明授权
    Process for producing trifluoromethylpyridines 失效
    制备三氟甲基吡啶的方法

    公开(公告)号:US4563529A

    公开(公告)日:1986-01-07

    申请号:US270567

    申请日:1981-06-04

    CPC分类号: C07D213/61 C07D213/26

    摘要: A trifluoromethylpyridine selected from the group consisting of .alpha.-trifluoromethylpyridine, .gamma.-trifluoromethylpyridine, a bis(trifluoromethyl)pyridine and chlorides thereof which have 1 to 3 chlorine atoms in its pyridine nucleus is produced by reacting a pyridine derivative selected from the group consisting of .alpha.-picoline, .gamma.-picoline and a lutidine with chlorine and anhydrous hydrogen fluoride at a temperature of 300.degree. to 600.degree. C. in a vapor phase in the presence of a diluent and a catalyst comprising a fluoride of a metallic element selected from the group consisting of aluminum, chromium, iron, nickel, manganese, cobalt and copper.

    摘要翻译: 选自α-三氟甲基吡啶,γ-三氟甲基吡啶,双(三氟甲基)吡啶及其吡啶核中具有1至3个氯原子的氯化物的三氟甲基吡啶通过使选自以下的吡啶衍生物 - 甲基吡啶,γ-甲基吡啶和二甲基吡啶与氯和无水氟化氢在温度为300℃至600℃的气相中,在稀释剂和包含选自以下的金属元素的氟化物的催化剂存在下, 由铝,铬,铁,镍,锰,钴和铜组成。

    Process for producing a .beta.-trifluoromethylpyridine
    8.
    发明授权
    Process for producing a .beta.-trifluoromethylpyridine 失效
    β-三氟甲基吡啶的制备方法

    公开(公告)号:US4417055A

    公开(公告)日:1983-11-22

    申请号:US356528

    申请日:1982-03-09

    CPC分类号: C07D213/61 C07D213/26

    摘要: A pyridine derivative having the formula ##STR1## wherein X.sup.2 and Y.sup.2 represents hydrogen atom or chlorine atom is produced by reacting a pyridine compound having the formula ##STR2## wherein X.sup.1 and Y.sup.1 represent hydrogen atom or chlorine atom, with chlorine and anhydrous hydrogen fluoride by a vapor phase reaction in the presence of a catalyst at a temperature of 250.degree. to 600.degree. C. using as the catalyst a fluoride of a metal selected from the group consisting of copper, vanadium, tin, bismuth, zirconium, magnesium, barium, zinc, calcium, potassium and sodium.

    摘要翻译: 通过使具有式“IMAGE”的吡啶化合物(其中X1和Y1代表氢原子或氯原子)与氯和无水氟化氢反应,其中X2和Y2表示氢原子或氯原子,其中X2和Y2表示氢原子或氯原子的吡啶衍生物通过 在250℃〜600℃的温度下,在催化剂存在下进行气相反应,使用选自铜,钒,锡,铋,锆,镁,钡等的金属的氟化物作为催化剂, 锌,钙,钾和钠。