Preparation of mono-nitro aromatic compounds
    211.
    发明授权
    Preparation of mono-nitro aromatic compounds 失效
    单硝基芳香族化合物的制备

    公开(公告)号:US4495372A

    公开(公告)日:1985-01-22

    申请号:US403450

    申请日:1982-11-05

    CPC classification number: C07C201/08

    Abstract: A process for mon-nitrating a plynuclear aromatic compound essentially in the absence of sulfuric acid and a solvent comprising adding nitric acid to a liquid aromatic compound wherein the molar ratio of nitric acid to the aromatic compound in from 0.75/1 ot 2/1 and the reaction temperature is from 50.degree. to 100.degree. C.

    Abstract translation: 一种基本上不存在硫酸和包含向其中硝酸与芳族化合物的摩尔比为0.75 / 1/2/2的液体芳族化合物中加入硝酸的溶剂进行单硝化的方法, 反应温度为50〜100℃。

    Nitroalkanol derivatives and plant protecting agents containing the same
    214.
    发明授权
    Nitroalkanol derivatives and plant protecting agents containing the same 失效
    硝基链烷醇衍生物和含有它们的植物保护剂

    公开(公告)号:US4469703A

    公开(公告)日:1984-09-04

    申请号:US350570

    申请日:1982-02-22

    CPC classification number: C07C205/42 C07C205/40

    Abstract: The invention relates to nitroalkanol derivatives of the general formula (I), ##STR1## wherein R.sub.1 is a C.sub.2-12 alkenyl or alkadienyl group, a C.sub.4-12 alkoxyalkyl or alkoxyalkenyl group having one or more C.sub.1-3 alkyl substituents, a C.sub.3-6 cycloalkyl or cycloalkenyl group, a furyl group, a nitrofuryl group, or a phenyl group having optionally one or more identical or different substituents selected from the group consisting of hydroxy, C.sub.1-4 alkoxy, halogen, nitro, C.sub.1-4 alkylenedioxy and C.sub.1-4 alkenoyloxy groups,R.sub.2 and R.sub.4 each represent hydrogen or they form together a valence bond,R.sub.3 is a C.sub.1-12 alkanoyloxy group, a benzoyloxy group having optionally one or more halogen substituents or hydrogen atom, andR.sub.5 is a C.sub.1-12 alkyl group or a phenyl group having optionally one or more halogen substituents,with the proviso that if R.sub.2 and R.sub.4 each stand for hydrogen, R.sub.1 is other than unsubstituted phenyl and R.sub.3 may represent only a C.sub.1-4 alkanoyloxy group or a benzoyloxy group having optionally one or more halogen substituents, and with the further proviso that if R.sub.2 and R.sub.4 form together a valence bond and R.sub.5 is methyl, R.sub.1 is other than unsubstituted phenyl.The nitroalkenol derivatives defined above as well as the known 1-phenyl-2-nitro-3-acetoxy-propane-1 possess valuable pesticidal effects, primarily fungicidal activities, and can be applied to advantage in the agriculture as plant protecting agents.

    Abstract translation: 本发明涉及通式(I)的硝基链烷醇衍生物,其中R1是C2-12链烯基或链二烯基,具有一个或多个C 1-3烷基取代基的C 4-12烷氧基烷基或烷氧基烯基, C 3-6环烷基或环烯基,呋喃基,硝基呋喃基或具有任选一个或多个相同或不同取代基的苯基,所述取代基选自羟基,C 1-4烷氧基,卤素,硝基,C 1-4 亚烷基二氧基和C 1-4烯酰氧基,R 2和R 4各自表示氢或它们一起形成价键,R 3是C 1-12烷酰氧基,具有任选一个或多个卤素取代基或氢原子的苯甲酰氧基,R 5是C 1 -12烷基或具有任选一个或多个卤素取代基的苯基,条件是如果R 2和R 4各自代表氢,则R 1不是未取代的苯基,并且R 3可以仅表示C 1-4烷酰氧基或苯甲酰氧基 任选地一个或 更多的卤素取代基,进一步的条件是如果R 2和R 4一起形成一个价键,R 5是甲基,则R 1不是未取代的苯基。 上述硝基烯醇衍生物以及已知的1-苯基-2-硝基-3-乙酰氧基 - 丙烷-1具有有价值的杀虫作用,主要是杀真菌活性,可作为植物保护剂在农业中有利地应用。

    Process for forming nitroparaffin
    215.
    发明授权
    Process for forming nitroparaffin 失效
    形成硝基石蜡的方法

    公开(公告)号:US4458094A

    公开(公告)日:1984-07-03

    申请号:US341679

    申请日:1982-01-22

    CPC classification number: C07C201/06 C07C201/08

    Abstract: An improved process for forming nitroparaffins by gaseous phase nitration of hydrocarbons higher than methane. The improvement comprises carrying out the nitration in the presence of a small amount of oxygenated hydrocarbons selected from aldehydes, ketones, alcohols, ethers and mixtures thereof.

    Abstract translation: 通过高于甲烷的烃的气相硝化形成硝基烷烃的改进方法。 该改进包括在少量选自醛,酮,醇,醚及其混合物的氧化烃的存在下进行硝化。

    Catalytic preparation of nitroalkanes
    217.
    发明授权
    Catalytic preparation of nitroalkanes 失效
    催化制备硝基烷烃

    公开(公告)号:US4431842A

    公开(公告)日:1984-02-14

    申请号:US446076

    申请日:1982-12-01

    Inventor: William V. Hayes

    CPC classification number: C07C201/10

    Abstract: A process of making nitroalkanes which comprises reacting a lower alkanol, e.g. methanol, and nitric acid (HNO.sub.3) in the vapor phase in the presence of a catalyst which is an oxide or a salt of a metal of Group II of the periodic table, e.g. calcium chloride.

    Abstract translation: 制备硝基烷烃的方法,其包括使低级链烷醇如 甲醇和硝酸(HNO 3)在催化剂存在下的气相中,该催化剂是周期表第II族金属的氧化物或盐。 氯化钙。

    3-Haloalkoxy-4-nitro-2'-chloro-4'-trifluoromethyldiphenyl ethers and
herbicidal use thereof
    218.
    发明授权
    3-Haloalkoxy-4-nitro-2'-chloro-4'-trifluoromethyldiphenyl ethers and herbicidal use thereof 失效
    3-卤代烷氧基-4-硝基-2'-氯-4'-三氟甲基二苯醚及其除草用途

    公开(公告)号:US4417919A

    公开(公告)日:1983-11-29

    申请号:US347400

    申请日:1982-02-10

    Applicant: Otto Rohr

    Inventor: Otto Rohr

    CPC classification number: C07C205/38 A01N37/00

    Abstract: The invention relates to novel 3-haloalkoxy-4-nitro-2'-chloro-4'-trifluoromethyl-diphenyl ethers with herbicidal properties. These compounds have good selectivity in different crops of useful plants, e.g. cereals, rice, cotton and, in particular, soybeans and maize. The novel compounds have the formula I ##STR1## wherein R is difluoromethyl or 2-chloro-1,1,2-trifluoroethyl.

    Abstract translation: 本发明涉及具有除草性质的新型3-卤代烷氧基-4-硝基-2'-氯-4'-三氟甲基 - 二苯基醚。 这些化合物在不同作物的有用植物中具有良好的选择性,例如。 谷物,水稻,棉花,特别是大豆和玉米。 新化合物具有式I(I)其中R是二氟甲基或2-氯-1,1,2-三氟乙基。

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