中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

16 records (took 0.016 seconds)

    Preparation of high-purity isobutyramide
    2.
    发明授权
    Preparation of high-purity isobutyramide 失效
    高纯度异丁酰胺的制备

    公开(公告)号：US5523485A

    公开(公告)日：1996-06-04

    申请号：US355288

    申请日：1994-12-12

    Applicant: Lothar Janitschke ,  Ernst Buschmann

    Inventor： Lothar Janitschke ,  Ernst Buschmann

    IPC: C07C231/02

    CPC classification number: C07C231/02

    Abstract: A process for preparing high-purity isobutyramide which comprises reacting isobutyryl chloride in toluene or xylene at -15.degree. to 30.degree. C. with ammonia is described.

    Abstract translation: 描述了一种制备高纯度异丁酰胺的方法，该方法包括使-15℃至30℃下的异丁酰氯在甲苯或二甲苯中与氨反应。

    N,N'-disubstituted piperazines
    7.
    发明授权
    N,N'-disubstituted piperazines 失效
    N，N'-二取代哌嗪

    公开(公告)号：US4935426A

    公开(公告)日：1990-06-19

    申请号：US307525

    申请日：1989-02-08

    Applicant: Matthias Zipplies ,  Hubert Sauter ,  Franz Roehl ,  Thomas Kuekenhoehner ,  Lothar Janitschke ,  Eberhard Ammermann ,  Gisela Lorenz

    Inventor： Matthias Zipplies ,  Hubert Sauter ,  Franz Roehl ,  Thomas Kuekenhoehner ,  Lothar Janitschke ,  Eberhard Ammermann ,  Gisela Lorenz

    IPC: C07D295/02 ,  A01N43/60 ,  C07D295/03 ,  C07D295/033 ,  C07D295/067 ,  C07D295/08

    CPC classification number: C07D295/067 ,  A01N43/60 ,  C07D295/03 ,  C07D295/033

    Abstract: N,N'-disubstituted piperazines of the general formula I ##STR1## where the group is unsaturated (.dbd.) or saturated (--) and the substituents R.sup.1, R.sup.2 and A have the following meanings:A is --, --CH.dbd., --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --,R.sup.1 is alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, alkylcycloalkyl, cycloalkenylalkyl, alkylcycloalkenyl, bicycloalkyl, bicycloalkylalkyl or alkylbicycloalkyl, these radicals being unsubstituted or substituted by hydroxy, halogen, alkoxy or trialkylsilyl,R.sup.1 is further heterocycloalkyl with oxygen and/or sulfur, heterocycloalkylmethyl with oxygen and/or sulfur, alkyl-substituted heterocycloalkylmethyl with oxygen and/or sulfur, andR.sup.2 is alkyl, alkoxy, trimethylsilyl, cycloalkyl, alkylthio,and plant-physiologically tolerated salts thereof, and fungicides containing these compounds.

    Abstract translation: 通式I的N，N'-二取代的哌嗪（1）其中基团是不饱和的（=）或饱和的（ - ），取代基R 1，R 2和A具有以下含义：A是 - ， - CH =，-CH 2 - ， - CH 2 -CH 2 - ，R 1是烷基，烯基，炔基，环烷基，环烯基，烷基环烷基，环烯基烷基，烷基环烯基，双环烷基，双环烷基烷基或烷基双环烷基，这些基团是未取代的或被羟基，卤素，烷氧基或三烷基甲硅烷基 ，R 1为氧和/或硫的杂环烷基，与氧和/或硫的杂环烷基甲基，与氧和/或硫的烷基取代的杂环烷基甲基，R 2为烷基，烷氧基，三甲基甲硅烷基，环烷基，烷硫基和植物生理耐受盐 和含有这些化合物的杀真菌剂。

    Preparation of s-triazine derivatives
    8.
    发明授权
    Preparation of s-triazine derivatives 失效
    s-三嗪衍生物的制备

    公开(公告)号：US4656272A

    公开(公告)日：1987-04-07

    申请号：US855383

    申请日：1986-04-24

    Applicant: Roland Martin ,  Lothar Janitschke

    Inventor： Roland Martin ,  Lothar Janitschke

    IPC: C07D251/54 ,  C07D251/70

    CPC classification number: C07D251/70

    Abstract: s-Triazine compounds which can be used as sunscreen agents are prepared in a technically simpler manner by a process in which an ester of a branched alkanoic acid with a saturated aliphatic alcohol or, if appropriate, a mixture of such alcohols is used as the solvent in the reaction of a cyanuric halide with a p-aminobenzoate.

    Abstract translation: 可以用作防晒剂的s-三嗪化合物以技术上更简单的方式制备，其中使用支链烷酸与饱和脂族醇的酯或如果合适的话使用这些醇的混合物作为溶剂 在氰尿酰卤与对氨基苯甲酸酯的反应中。

    Preparation of 4-substituted but-3-ene-1-carboxylic acids and their esters
    10.
    发明授权
    Preparation of 4-substituted but-3-ene-1-carboxylic acids and their esters 失效
    4-取代的丁-3-烯-1-羧酸及其酯的制备

    公开(公告)号：US4585594A

    公开(公告)日：1986-04-29

    申请号：US680514

    申请日：1984-12-11

    Applicant: Walter Himmele ,  Werner Hoffmann ,  Lothar Janitschke

    Inventor： Walter Himmele ,  Werner Hoffmann ,  Lothar Janitschke

    IPC: C07C51/14 ,  C07C67/36

    CPC classification number: C07C51/14 ,  C07C67/38

    Abstract: 4-Substituted but-3-ene-1-carboxylic acids and their esters R.sup.1 R.sup.2 C.dbd.CH--CH.sub.2 --CO--O--R.sup.3 (I, where R.sup.1 is an organic radical, R.sup.2 is H or R.sup.1, or R.sup.1 and R.sup.2 together form a 5-membered to 20-membered ring, and R.sup.3 is H or lower alkyl) are prepared by carbonylation of R.sup.1 R.sup.2 C(OH)--CH.dbd.CH.sub.2 (II) in the presence of an alcohol R.sup.3' --OH (III, where R.sup.3' is lower alkyl) or, for the preparation of the acids I alone, in the absence of an alcohol III, at from 50.degree. to 150.degree. C. and under from 200 to 700 bar, using a complex of a palladium halide and a tertiary organic phosphine.

    Abstract translation: 4-取代的丁-3-烯-1-羧酸及其酯R1R2C = CH-CH2-CO-O-R3（I，其中R1是有机基团，R2是H或R1，或R1和R2一起形成 5元至20元环，并且R 3为H或低级烷基）通过在醇R3'-OH（III）存在下R1R2C（OH）-CH = CH2（II）羰基化制备，其中R3' 低级烷基），或者为了单独制备酸I，在不存在醇III的条件下，在50-150℃和200-700巴条件下，使用卤化钯和叔有机物的络合物 膦。

Patent Agency Ranking