Process for production of 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivatives
    2.
    发明授权
    Process for production of 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivatives 失效
    3,3-二甲基-2-甲酰基环丙烷羧酸衍生物的制备方法

    公开(公告)号:US07262320B2

    公开(公告)日:2007-08-28

    申请号:US10501094

    申请日:2002-12-26

    申请人: Kouji Yoshikawa

    发明人: Kouji Yoshikawa

    IPC分类号: C07C69/74 C07C61/04

    摘要: A process for the production of a 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivative of formula (2): wherein R is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or substituted or unsubstituted aralkyl, which process comprises reacting a 3,3-dimethyl-2-(2-methyl-1-propenyl)cyclopropanecarboxylic acid compound of formula (1): wherein R is as defined above, with a periodic acid compound in the presence of a ruthenium compound.

    摘要翻译: 制备式(2)的3,3-二甲基-2-甲酰基环丙烷羧酸衍生物的方法:其中R是氢,取代或未取代的烷基,取代或未取代的芳基或取代或未取代的芳烷基,该方法包括使 在钌化合物的存在下,式(1)的3,3-二甲基-2-(2-甲基-1-丙烯基)环丙烷羧酸化合物:其中R如上定义,与高碘酸化合物反应。

    Process for production of 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivatives
    4.
    发明申请
    Process for production of 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivatives 失效
    3,3-二甲基-2-甲酰基环丙烷羧酸衍生物的制备方法

    公开(公告)号:US20050090685A1

    公开(公告)日:2005-04-28

    申请号:US10501094

    申请日:2002-12-26

    申请人: Kouji Yoshikawa

    发明人: Kouji Yoshikawa

    摘要: A process for the production of a 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivative of formula (2): wherein R is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or substituted or unsubstituted aralkyl, which process comprises reacting a 3,3-dimethyl-2-(2-methyl-1-propenyl)cyclopropanecarboxylic acid compound of formula (1): wherein R is as defined above, with a periodic acid compound in the presence of a ruthenium compound.

    摘要翻译: 制备式(2)的3,3-二甲基-2-甲酰基环丙烷羧酸衍生物的方法:其中R是氢,取代或未取代的烷基,取代或未取代的芳基或取代或未取代的芳烷基,该方法包括使 在钌化合物的存在下,式(1)的3,3-二甲基-2-(2-甲基-1-丙烯基)环丙烷羧酸化合物:其中R如上定义,与高碘酸化合物反应。

    Preparation of 2,2-dimethyl-3-((oxyimino)methyl)cyclopropanecarboxylic
acids
    5.
    发明授权
    Preparation of 2,2-dimethyl-3-((oxyimino)methyl)cyclopropanecarboxylic acids 失效
    制备2,2-二甲基-3 - ((氧亚氨基)甲基)环丙烷羧酸

    公开(公告)号:US4218402A

    公开(公告)日:1980-08-19

    申请号:US57632

    申请日:1979-07-16

    申请人: Steven A. Roman

    发明人: Steven A. Roman

    IPC分类号: C07C62/16 C07C131/02

    CPC分类号: C07C62/16

    摘要: 2,2-Dimethyl-3-((oxyimino)methyl)cyclopropanecarboxylic acids are prepared by treating the mixed anhydride of acetic and caronaldehydic acids with an acid addition salt of a hydroxylamine or of a hydrocarbyloxylamine followed by hydrolysis of the oxyimino-substituted product thereby obtained.

    摘要翻译: 2,2-二甲基-3 - ((氧亚氨基)甲基)环丙烷羧酸是通过用羟胺或烃氧基胺的酸加成盐处理乙酸和羧甲酸的混合酸酐,然后水解氧亚氨基取代的产物 获得。

    Novel process for preparing semi-caronic aldehydes
    6.
    发明授权
    Novel process for preparing semi-caronic aldehydes 失效
    制备半碳醛的新方法

    公开(公告)号:US5004840A

    公开(公告)日:1991-04-02

    申请号:US282382

    申请日:1988-12-09

    CPC分类号: C07D317/30 C07C62/16

    摘要: A novel process for the preparation of compounds of the formula ##STR1## with cis or trans structure in racemic or optically active form wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl of 6 to 12 carbon atoms comprising reacting an optically active isomer, or racemate of the formula ##STR2## wherein R has the above definition and the way line indicates Z or E geometry with a gem-dimethyl cyclopropanation agent if there is Z geometry to obtain a compound of the formula ##STR3## or if the geometry is E with a gem-dimethyl cyclopropanation agent other than isopropylidene triphenyl phosphorane to obtain a compound of the formula ##STR4## wherein R has the above definition and the cyclopropane ring has the trans configuration and either hydrolyzing the compound of formula III or IIIa to obtain a compound of the formula ##STR5## and then cleaving the 4,5 bond to obtain the corresponding compound of formula I or simultaneously cleaving the 4,5 bond and hydrolyzing the dioxolane group to obtain the corresponding compound of formula I and novel intermediates.

    摘要翻译: 用于制备具有外消旋或旋光活性形式的顺式或反式结构的式I化合物的新方法,其中R选自氢,1至4个碳原子的烷基和6至12个芳基 包括使光学活性异构体或其中R具有上述定义的光学活性异构体或外消旋物,如果存在Z几何形式,则使用偕二甲基环丙烷化剂代替Z或E几何形式,以获得化合物 或者如果几何形状是具有除异亚丙基三苯基膦之外的偕二甲基环丙烷化剂的E,以获得式IIIa的化合物,其中R具有上述定义,并且环丙烷环具有反式构型,并且 水解式III或IIIa的化合物以获得式IV的化合物,然后切割4,5键以获得相应的式I化合物或同时进行 研制4,5键并水解二氧戊环,得到相应的式Ⅰ化合物和新型中间体。

    Alkanoarachidonic acids
    7.
    发明授权
    Alkanoarachidonic acids 失效
    藻糖酸

    公开(公告)号:US4759880A

    公开(公告)日:1988-07-26

    申请号:US655196

    申请日:1984-09-27

    摘要: A series of alkanoarachidonic acids have been prepared as modulators of the arachidonic acid cascade to increase the production of biologically desirable compounds and minimize the production of biologically undesirable compounds. Examples of desirable compounds in this respect comprise postaglandins and thromboxanes whereas undesirable compounds comprise the mono- and polyhydroxyarachidonic acids and leukotrienes. The alkanoarachidonic acids and their intermediates are of the general formula: ##STR1## and at least one of X, Y, and Z is lower alkano and is hydrogen when not lower alkano; the esters and salts of the acids are also prepared. The acids, esters and salts may be used as anti-anaphylaxis or anti-thrombosis agents.

    摘要翻译: 已经制备了一系列链烷二糖酸作为花生四烯酸级联的调节剂,以增加生物需要的化合物的产生并使生物学不需要的化合物的产生最小化。 所需化合物在这方面的实例包括Postaglandin和血栓素,而不希望的化合物包括单羟基和多羟基花生四烯酸和白三烯。 链烷二酸及其中间体具有以下通式:其中R 1 =低级烷基(低级烷基)(低级亚烷基)OH(低级亚烷基)CHO CHO,其中R 2 = COO(低级烷基)(低级烷基) 亚烷基)OH(低级亚烷基)CHO CHO其中R3 = COO(低级烷基)(低级亚烷基)OH(低级亚烷基)CHO CHO,X,Y和Z中的至少一个为低级烷基,当不为 低级烷 还制备了酸的酯和盐。 酸,酯和盐可用作抗过敏反应或抗血栓形成剂。

    Preparation of caronaldehyde acid and derivatives thereof
    9.
    发明授权
    Preparation of caronaldehyde acid and derivatives thereof 失效
    丙二酸及其衍生物的制备

    公开(公告)号:US4435597A

    公开(公告)日:1984-03-06

    申请号:US355034

    申请日:1982-03-05

    申请人: Dieter Arlt

    发明人: Dieter Arlt

    摘要: A process for the preparation of caronaldehyde acid or a derivative thereof of the formula ##STR1## in which R is O.sup.- Me.sup.+, or OH, andMe.sup.+ is an equivalent of an alkali metal, alkaline earth metal or ammonium cation, comprising reacting a 2-halogeno-3,3-dimethyl-5,5-dichloropentanoic acid halide of the formula ##STR2## wherein X and Y each independently is a halogen atom, with a base in the presence of water.

    摘要翻译: 其中R是O-Me +或OH和Me +的制备式“IMAGE”的丙二酸或其衍生物的方法是碱金属,碱土金属或铵阳离子的当量,包括使2 - 卤代-3,3-二甲基-5,5-二氯戊酸卤化物,其中X和Y各自独立地是卤素原子,在水的存在下与碱反应。

    Synthesis of pyrethric acid
    10.
    发明授权
    Synthesis of pyrethric acid 失效
    合成酸

    公开(公告)号:US3694472A

    公开(公告)日:1972-09-26

    申请号:US3694472D

    申请日:1970-05-12

    申请人: ROUSSEL UCLAF

    IPC分类号: C07C62/16 C07C69/74

    CPC分类号: C07C62/16

    摘要: BY REACTING 3,3-DIMETHYL-2-FORMYL-1-CYCLOPROPANECARBOXYLIC (1R, 2R) acid or a salt thereof with methyl propionate under anhydrous basic conditions.

    A novel process for the preparation of 3,3-dimethyl-2-(2''methoxycarbonyl-trans 1''-propenyl)-1-cyclopropane carboxylic (1R, 2R) acid or d-trans pyrethric (1R,2R) acid of the formula

    摘要翻译: 制备3,3-二甲基-2-(2'-甲氧基羰基 - 反式-1'-丙烯基)-1-环丙烷羧酸(1R,2R)酸或d-反式除虫菊酸(1R,2R)酸的新方法 通过在无水碱性条件下将3,3-二甲基-2-甲基-1-环丙基碳酰氧基(1R,2R)酸或其盐与丙酸甲酯反应。