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306 条记录 (耗时 0.016 秒)

    Preparation of cyclopropanecarboxylic acid esters
    41.
    发明授权
    Preparation of cyclopropanecarboxylic acid esters 失效
    制备环丙烷羧酸酯

    公开(公告)号：US4299972A

    公开(公告)日：1981-11-10

    申请号：US164902

    申请日：1980-07-01

    申请人： Gabor Kovacs ,  Istvan Szekely ,  Marianne Lovasz nee Gaspar ,  Rudolf Soos ,  Joszef Dukai

    发明人： Gabor Kovacs ,  Istvan Szekely ,  Marianne Lovasz nee Gaspar ,  Rudolf Soos ,  Joszef Dukai

    IPC分类号： A01N53/08 ,  A01N53/10 ,  C07B31/00 ,  C07B53/00 ,  C07C67/00 ,  C07C69/743 ,  C07C253/00 ,  C07C255/39 ,  C07D209/49 ,  C07D307/935 ,  C07C67/18

    CPC分类号： C07C69/743

    摘要： A process is disclosed for the preparation of an optically active or racemic cyclopropanecarboxylic acid of the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each is lower alkyl or halogen;R is a member of a group which contains various cyclic structures as set forth in the specification,the .about. valency bond represents .alpha.- and/or .beta.-configuration;the -- valency bond represents .beta.-configuration,which comprises reacting an optically active or racemic cyclopropanecarboxylic acid of the formula (VII) ##STR2## with a dimethyl-methylidene-ammonium salt of the formula (VIII) ##STR3## wherein X is halogen or lower alkoxy andY.sup.- is a halide or lower alkylsulfate ion in an anhydrous, inert organic solvent, and sebsequently reacting a dimethyl-acloxy-methylidene-ammonium salt thus obtained with an optically active, inactive or racemic alcohol of the formulaR--OHwithout isolation, in the presence of an organic base.

    摘要翻译： 公开了制备式（I）的光学活性或外消旋环丙烷羧酸的方法，其中R 1和R 2相同或不同，各自为低级烷基或卤素; R是包含说明书中所列的各种环状结构的基团的成员，差异化合价键代表α-和/或β-构型; 价键表示β构型，其包括使式（VII）的光学活性或外消旋环丙烷羧酸与式（VIII）的二甲基亚甲基铵盐反应（VIII） ）其中X是卤素或低级烷氧基，Y-是在无水惰性有机溶剂中的卤化物或低级烷基硫酸根离子，然后使由此得到的二甲基 - 酰氧基 - 亚甲基 - 铵盐与光学活性的无活性或外消旋醇反应 式R-OH不分离，在有机碱的存在下。

    Preparation of 3-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropane-1-carboxylic acid derivatives
    42.
    发明授权
    Preparation of 3-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropane-1-carboxylic acid derivatives 失效
    制备3-（2,2-二氯乙烯基）-2,2-二甲基 - 环丙烷-1-羧酸衍生物

    公开(公告)号：US4296241A

    公开(公告)日：1981-10-20

    申请号：US165871

    申请日：1980-07-02

    申请人： Hellmut Hoffmann ,  Fritz Maurer ,  Uwe Priesnitz ,  Hans-Jochem Riebel

    发明人： Hellmut Hoffmann ,  Fritz Maurer ,  Uwe Priesnitz ,  Hans-Jochem Riebel

    IPC分类号： C07C51/363 ,  C07F9/40 ,  C07C69/743

    CPC分类号： C07F9/4006 ,  C07C51/363

    摘要： A process for the preparation of a 3-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropane-1-carboxylic acid or derivative of the formula ##STR1## in which R is hydrogen, alkali metal, ammonium, an equivalent of an alkaline earth metal, alkyl, or a radical customary in the alcohol part of pyrethroids,comprising reacting a 3-formyl-2,2-dimethyl-cyclopropane-1-carboxylic acid derivative of the formula ##STR2## with a dichloromethane derivative of the formula ##STR3## in which R.sup.1 and R.sup.2 each independently is alkyl, phenyl, alkoxy or phenoxy, or together are alkanediyl or alkanedioxy,in the presence of a base at a temperature between about -50.degree. and +50.degree. C. The products are intermediates for the preparation of esters of pyrethroid-like insecticidal activity.

    摘要翻译： 制备3-（2,2-二氯乙烯基）-2,2-二甲基 - 环丙烷-1-羧酸或式“IMAGE”的衍生物的方法，其中R是氢，碱金属，铵，等同物 的碱土金属，烷基或在拟除虫菊酯的醇部分中常用的基团，其包括使式（IMAGE）的3-甲酰基-2,2-二甲基 - 环丙烷-1-羧酸衍生物与 在碱存在下，在约-50℃至+ 50℃之间的温度下，R1和R2各自独立地为烷基，苯基，烷氧基或苯氧基，或一起为烷二基或烷二氧基的式“IMAGE”。 是制备拟除虫菊酯类杀虫活性酯的中间体。

    Novel cyclopropane carboxylic acid esters
    46.
    发明授权
    Novel cyclopropane carboxylic acid esters 失效
    新型环丙烷羧酸酯

    公开(公告)号：US4224227A

    公开(公告)日：1980-09-23

    申请号：US18166

    申请日：1979-03-07

    申请人： Jacques Martel ,  Jean Tessier ,  Jean-Pierre Demoute

    发明人： Jacques Martel ,  Jean Tessier ,  Jean-Pierre Demoute

    IPC分类号： C07C69/74 ,  A01N33/00 ,  A01N53/00 ,  A01N53/02 ,  A01N53/04 ,  A01N53/08 ,  A01P3/00 ,  A23K1/16 ,  A61K31/215 ,  A61K31/34 ,  A61K31/40 ,  A61K35/14 ,  A61P31/04 ,  C07C20060101 ,  C07C51/00 ,  C07C51/363 ,  C07C53/50 ,  C07C61/04 ,  C07C61/15 ,  C07C67/00 ,  C07C69/743 ,  C07C253/00 ,  C07C255/39 ,  C07D209/48 ,  C07D209/49 ,  C07D307/42 ,  C07D307/45 ,  C07D307/54 ,  C07D317/54 ,  G01G13/295 ,  A01N9/28

    CPC分类号： C07D209/49 ,  A01N53/00 ,  C07C255/00 ,  C07C61/15 ,  C07D307/42 ,  Y10S514/949

    摘要： Novel cyclopropane carboxylic acid esters of the formula ##STR1## wherein X.sub.1 is selected from the group consisting of hydrogen, fluorine, chlorine and bromine, X.sub.2 is selected from the group consisting of fluorine, chlorine and bromine, X.sub.3 is selected from the group consisting of chlorine, bromine and iodine and R is selected from the group consisting of ##STR2## and benzyl optionally substituted with at least one member of the group consisting of alkyl of 1 to 4 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkenyloxy of 2 to 6 carbon atoms, alkadienyl of 4 to 8 carbon atoms, methylenedioxy, benzyl and halogens, R.sub.1 is selected from the group consisting of hydrogen and methyl, R.sub.2 is selected from the group consisting of monocyclic aryl and --CH.sub.2 --C.tbd.CH,R.sub.3 is an aliphatic of 2 to 6 carbon atoms having at least one double bond, R.sub.4 is selected from the group consisting of hydrogen, --CN and --C.tbd.CH, R.sub.5 is selected from the group consisting of chlorine and methyl, n is 0, 1 or 2, R.sub.6, R.sub.7, R.sub.8 and R.sub.9 are individually selected from the group consisting of hydrogen, chlorine and methyl and S/I indicates that the ring may be aromatic, dihydro or tetrahydro having pesticidal properties, and a process for their preparation.

    摘要翻译： 新的式（I）的环丙烷羧酸酯，其中X 1选自氢，氟，氯和溴，X 2选自氟，氯和溴，X 3选自 的氯，溴和碘，R选自 和任选被至少一个由1至4个碳原子的烷基取代的苄基， 2至6个碳原子的烯氧基，2至6个碳原子的链烯氧基，4至8个碳原子的链二烯基，亚甲二氧基，苄基和卤素，R1选自氢和甲基，R2选自单环 芳基和-CH 2 -C 3 CH 3，R 3是具有至少一个双键的2至6个碳原子的脂族基，R 4选自氢，-CN和-C 3位CH，R 5选自 由氯和甲基组成 n为0,1或2，R6，R7，R8和R9分别选自氢，氯和甲基，S / I表示该环可为具有杀虫性质的芳香族二氢或四氢，以及 一个他们准备的过程。

    Production of chrysanthemic acid esters and homologues thereof
    48.
    发明授权
    Production of chrysanthemic acid esters and homologues thereof 失效
    菊酸酯及其同系物的生产

    公开(公告)号：US4138584A

    公开(公告)日：1979-02-06

    申请号：US799587

    申请日：1977-05-23

    申请人： Per D. Klemmensen ,  Hans Kolind-Andersen ,  Hans B. Madsen

    发明人： Per D. Klemmensen ,  Hans Kolind-Andersen ,  Hans B. Madsen

    IPC分类号： C07C69/65 ,  B01J27/00 ,  B01J27/08 ,  C07B61/00 ,  C07C20060101 ,  C07C67/00 ,  C07C67/30 ,  C07C69/74 ,  C07C69/743 ,  C07C69/747 ,  C07C69/753 ,  C07D307/28 ,  C07D307/33

    CPC分类号： C07C2101/02

    摘要： A three-step process for the production of chrysanthemic acid esters and their homologues of the formula: ##STR1## in which R.sub.1 and R.sub.2 are hydrogen or C.sub.1 -C.sub.6 alkyl,R.sub.3 and R.sub.4 are C.sub.1 -C.sub.6 alkyl or halogen or, together with the C atom to which they are attached, form a cycloalkyl group, andR.sub.5 is C.sub.1 -C.sub.6 alkyl,Which comprises:(1) decarboxylating a lactone of the formula: ##STR2## (2) treating the resulting decarboxylated lactone to effect ring cleavage, halogenation and esterification to form an ester of the formula: ##STR3## in which X is Cl, Br or I, and (3) TREATING THE ESTER X with a base to effect internal condensation whereby the desired product of formula I is obtained.The esters I are valuable intermediates for the preparation of synthetic pyrethroids having insecticidal activity.

    摘要翻译： 用于生产菊酸酯及其同系物的三步法，其具有下式：其中R 1和R 2是氢或C 1 -C 6烷基，R 3和R 4是C 1 -C 6烷基或卤素，或者与 它们所连接的C原子形成环烷基，R 5是C 1 -C 6烷基，其包括：