Process for preparing difluoromethylpyrazolyl carboxylates
    1.
    发明授权
    Process for preparing difluoromethylpyrazolyl carboxylates 失效
    制备二氟甲基吡唑羧酸酯的方法

    公开(公告)号:US08115012B2

    公开(公告)日:2012-02-14

    申请号:US12513003

    申请日:2007-11-02

    IPC分类号: C07D231/10 C07F7/08

    CPC分类号: C07D231/14

    摘要: The present invention relates to a process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylates of the formula I in which R1 is C1-C8-alkyl, C3-C8-cycloalkyl, C1-C4-alkoxy-C1-C4-alkyl, etc.; and R2 is hydrogen, C1-C4-alkyl, benzyl or phenyl, wherein a) a compound of the general formula II in which X is fluorine, chlorine or bromine, R1 has one of the meanings given above and R4 is C1-C8-alkyl, C3-C8-cycloalkyl, C2-C8-alkenyl, benzyl or phenyl, is reacted with a silane compound of the general formula R3nSiCl(4-n) in which n is 1, 2 or 3 and the substituents R3 are independently of one another selected from the group consisting of C1-C8-alkyl and phenyl and with a metal selected from the metals of groups 1, 2, 3, 4 and 12 of the Periodic Table of the Elements having a redox potential of less than −0.7 V, based on a normal hydrogen electrode (at 25° C. and 101.325 kPa); and b) the reaction mixture from step a) is reacted with a compound of the general formula III R2HN—NH2  (III) in which R2 has one of the meanings given above.

    摘要翻译: 本发明涉及制备式Ⅰ的二氟甲基取代的吡唑-4-基羧酸酯的方法,其中R 1是C 1 -C 8烷基,C 3 -C 8环烷基,C 1 -C 4烷氧基-C 1 -C 4烷基等 。 R 2是氢,C 1 -C 4 - 烷基,苄基或苯基,其中a)通式II的化合物,其中X是氟,氯或溴,R 1具有上面给出的含义之一,R 4是C 1 -C 8 - 烷基,C 3 -C 8 - 环烷基,C 2 -C 8 - 烯基,苄基或苯基与通式R 3 n SiCl(4-n)的硅烷化合物反应,其中n为1,2或3,取代基R 3独立地为 选自由C 1 -C 8 - 烷基和苯基组成的组中的一种,以及选自元素周期表第1,2,3,4和12族金属的金属,其氧化还原电位小于-0.7 V,基于正常的氢电极(在25℃和101.325kPa); 和b)将来自步骤a)的反应混合物与通式III的化合物R2HN-NH2(III)反应,其中R2具有上述含义之一。

    Process for preparing difluoromethylpyrazolyl carboxylates
    2.
    发明申请
    Process for preparing difluoromethylpyrazolyl carboxylates 失效
    制备二氟甲基吡唑羧酸酯的方法

    公开(公告)号:US20100069646A1

    公开(公告)日:2010-03-18

    申请号:US12513003

    申请日:2007-11-02

    IPC分类号: C07D231/10 C07F7/08

    CPC分类号: C07D231/14

    摘要: The present invention relates to a process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylates of the formula I in which R1 is C1-C8-alkyl, C3-C8-cycloalkyl, C1-C4-alkoxy-C1-C4-alkyl, etc.; and R2 is hydrogen, C1-C4-alkyl, benzyl or phenyl, wherein a) a compound of the general formula II in which X is fluorine, chlorine or bromine, R1 has one of the meanings given above and R4 is C1-C8-alkyl, C3-C8-cycloalkyl, C2-C8-alkenyl, benzyl or phenyl, is reacted with a silane compound of the general formula R3nSiCl(4-n) in which n is 1, 2 or 3 and the substituents R3 are independently of one another selected from the group consisting of C1-C8-alkyl and phenyl and with a metal selected from the metals of groups 1, 2, 3, 4 and 12 of the Periodic Table of the Elements having a redox potential of less than −0.7 V, based on a normal hydrogen electrode (at 25° C. and 101.325 kPa); and b) the reaction mixture from step a) is reacted with a compound of the general formula III R2HN—NH2   (III) in which R2 has one of the meanings given above.

    摘要翻译: 本发明涉及制备式Ⅰ的二氟甲基取代的吡唑-4-基羧酸酯的方法,其中R 1是C 1 -C 8烷基,C 3 -C 8环烷基,C 1 -C 4烷氧基-C 1 -C 4烷基等 。 并且R 2是氢,C 1 -C 4 - 烷基,苄基或苯基,其中a)通式II的化合物,其中X是氟,氯或溴,R 1具有上面给出的含义之一,R 4是C 1 -C 8 - 烷基,C 3 -C 8 - 环烷基,C 2 -C 8 - 烯基,苄基或苯基与通式R 3 n SiCl(4-n)的硅烷化合物反应,其中n为1,2或3,取代基R 3独立地为 选自由C 1 -C 8 - 烷基和苯基组成的组中的一种,以及选自元素周期表第1,2,3,4和12族金属的金属,其氧化还原电位小于-0.7 V,基于正常的氢电极(在25℃和101.325kPa); 和b)将来自步骤a)的反应混合物与通式III的化合物R2HN-NH2(III)反应,其中R2具有上述含义之一。

    PROCESS FOR PREPARING SUBSTITUTED BIPHENYLS
    3.
    发明申请
    PROCESS FOR PREPARING SUBSTITUTED BIPHENYLS 有权
    制备替代BIPHENYLS的方法

    公开(公告)号:US20100256418A1

    公开(公告)日:2010-10-07

    申请号:US12726196

    申请日:2010-03-17

    IPC分类号: C07C205/04

    摘要: A process for preparing substituted biphenyls of the formula I in which the substituents are defined as follows: X is fluorine or chlorine; R1 is nitro, amino or NHR3; R2 is cyano, nitro, halogen, C1-C6-alkyl, C1-C-6-alkenyl, C1-C6-alkynyl, C1-C6-alkoxy, C1-C6-haloalkyl, C1-C6-alkylcarbonyl or phenyl; R3 is C1-C4-alkyl, C1-C4-alkenyl or C1-C4-alkynyl; n is 1, 2 or 3, where in case that n is 2 or 3, the R.sup.2 radicals may also be different, which comprises reacting the compound of the formula II in which Hal is halogen and X and R1 are as defined above, in the presence of a base and of a palladium catalyst selected from the group of:3 a) palladium-triarylphosphine or -trialkylphosphine complex with palladium in the zero oxidation state, b) salt of palladium in the presence of triarylphospine or trialkylphosphine as a complex ligand or c) metallic palladium, optionally applied to support, in the presence of triarylphosphine or trialkylphosphine, in a solvent, with a diphenylborinic acid (III) in which R2 and n are as defined above, where the triarylphosphines or trialkylphosphines used may be substituted.

    摘要翻译: 制备式I取代的联苯的方法,其中取代基定义如下:X是氟或氯; R1是硝基,氨基或NHR3; R2是氰基,硝基,卤素,C1-C6-烷基,C1-C6-6烯基,C1-C6-炔基,C1-C6-烷氧基,C1-C6-卤代烷基,C1-C6烷基羰基或苯基; R3是C1-C4-烷基,C1-C4-烯基或C1-C4-炔基; n为1,2或3,其中在n为2或3的情况下,R 2基团也可以不同,其包括使其中Hal为卤素且X和R 1的式II化合物与 在碱存在下和选自以下组中的钯催化剂存在下:a)钯 - 三芳基膦或三烷基膦配合物与钯在零氧化状态,b)钯在三芳基膦或三烷基膦存在下的盐 作为络合配体或c)金属钯,任选地在三芳基膦或三烷基膦存在下,在溶剂中与二苯基硼酸(III)反应,其中R 2和n如上所定义,其中使用三芳基膦或三烷基膦 可以被替代。

    Process for preparing alkyl 2-alkoxymethylene-4,4-difluoro-3-oxobutyrates
    4.
    发明申请
    Process for preparing alkyl 2-alkoxymethylene-4,4-difluoro-3-oxobutyrates 有权
    制备2-烷氧基亚甲基-4,4-二氟-3-氧代丁酸烷基酯的方法

    公开(公告)号:US20110004002A1

    公开(公告)日:2011-01-06

    申请号:US12919842

    申请日:2009-02-27

    IPC分类号: C07D231/14 C07C69/66

    摘要: A process for preparing alkyl 2-alkoxymethylene-4,4-difluoro-3-oxobutyrates (VI) where R is methyl or ethyl, from crude reaction mixtures of alkyl 4,4-difluoroacetoacetates (I) by a) reacting where M is a sodium or potassium ion, and without additional solvent to form an enolate (V) b) releasing the corresponding alkyl 4,4-difluoroacetoacetate (I) from the enolate (V) by means of acid, c) removing the salt formed from cation M and acid anion as a solid and d) converting (I), without isolation from the crude reaction mixture, to the alkyl 2-alkoxymethylene-4,4-difluoro-3-oxobutyrate (VI), and the use of (VI) for preparing 1-methyl-3-difluoromethyl-pyrazol-3-ylcarboxyates VII

    摘要翻译: 由烷基4,4-二氟乙酰乙酸酯(I)的粗反应混合物制备R为甲基或乙基的2-烷氧基亚甲基-4,4-二氟-3-氧代丁酸烷基酯(VI)的方法,通过a)使M 钠离子或钾离子,无另外的溶剂以形成烯醇化物(Ⅴ)b)通过酸从烯醇化物(Ⅴ)中释出相应的4,4-二氟乙酰乙酸烷基酯(Ⅰ),c)除去由阳离子M形成的盐 和酸阴离子作为固体,以及d)将(I)从粗反应混合物中分离出来,转化为2-烷氧基亚甲基-4,4-二氟-3-氧代丁酸烷基酯(VI),以及(VI)用于 制备1-甲基-3-二氟甲基 - 吡唑-3-基羧酸酯VII

    Method for the production of halogen-substituted 2-(aminomethylidene)-3-oxobutyric acid esters
    5.
    发明授权
    Method for the production of halogen-substituted 2-(aminomethylidene)-3-oxobutyric acid esters 有权
    卤素取代的2-(氨基亚甲基)-3-氧代丁酸酯的制备方法

    公开(公告)号:US08586750B2

    公开(公告)日:2013-11-19

    申请号:US12990364

    申请日:2009-04-30

    CPC分类号: C07D295/145 C07D231/14

    摘要: The present invention relates to a process for preparing 2-(aminomethylidene)-4,4-dihalo-3-oxobutyric esters of the formula (I), wherein R1, R2, R3 are C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C3-C10-cycloalkyl or benzyl, and/or R2 together with R3 and the nitrogen atom to which the two radicals are attached are a heterocyclic radical, in which a corresponding 3-aminoacrylic ester is reacted with a halogen-substituted acetyl fluoride in the presence of at least one alkali or alkaline earth metal fluoride; and the further conversion of halogen-substituted 2-(aminomethylidene)-3-oxobutyric esters of the formula (I) to halomethyl-substituted pyrazol-4-ylcarboxylic acids and their esters.

    摘要翻译: 本发明涉及制备式(I)的2-(氨基亚甲基)-4,4-二卤代-3-氧代丁酸酯的方法,其中R1,R2,R3是C1-C6-烷基,C1-C6-卤代烷基 ,C 2 -C 6 - 烯基,C 3 -C 10 - 环烷基或苄基,和/或R 2与R 3和两个基团所连接的氮原子是杂环基团,其中相应的3-氨基丙烯酸酯与 卤素取代的乙酰氟在至少一种碱金属或碱土金属氟化物的存在下; 以及将式(I)的卤素取代的2-(氨基亚甲基)-3-氧代丁酸酯进一步转化为卤代甲基取代的吡唑-4-基羧酸及其酯。

    Method for manufacturing aryl carboxamides
    7.
    发明授权
    Method for manufacturing aryl carboxamides 有权
    芳基甲酰胺的制备方法

    公开(公告)号:US08350046B2

    公开(公告)日:2013-01-08

    申请号:US12990892

    申请日:2009-05-06

    IPC分类号: C07D213/82 C07D231/14

    摘要: A process for preparing arylcarboxamides of the formula (I) where Ar=a mono- to trisubstituted phenyl, pyridyl or pyrazolyl ring, where the substituents are selected from halogen, C1-C4-alkyl and C1-C4-haloalkyl; M=thienyl or phenyl, which may bear a halogen substituent; Q=direct bond, cyclopropylene, fused bicyclo[2.2.1]heptane or bicyclo[2.2.1]heptene ring; R1=hydrogen, halogen, C1-C6-alkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, mono- to trisubstituted phenyl, where the substituents are selected from halogen and trifluoromethylthio, or cyclopropyl; by reacting an acid chloride of the formula (II) with an arylamine (III) in a suitable nonaqueous solvent, wherein, in the absence of an auxiliary base, a) the acid chloride (II) is initially charged, b) a pressure of from 0 to 700 mbar is established, c) the arylamine (III) is metered in an approximately stoichiometric amount and d) the product of value is isolated.

    摘要翻译: 制备式(I)的芳基羧酰胺的方法,其中Ar =单 - 三取代的苯基,吡啶基或吡唑基环,其中取代基选自卤素,C 1 -C 4 - 烷基和C 1 -C 4卤代烷基; M =噻吩基或苯基,其可以带有卤素取代基; Q =直接键合,亚环丙基,稠合双环[2.2.1]庚烷或双环[2.2.1]庚烯环; R1 =氢,卤素,C1-C6-烷基,C1-C4-烷氧基,C1-C4-卤代烷氧基,一至三取代的苯基,其中取代基选自卤素和三氟甲硫基,或环丙基; 通过使式(II)的酰氯与芳基胺(III)在合适的非水溶剂中反应,其中在没有辅助碱的情况下,a)最初加入酰氯(II),b) 建立0至700毫巴,c)芳基胺(III)以约化学计量的量计量,并且d)分离产物的值。

    Process for Preparing Substituted Biphenyls
    8.
    发明申请
    Process for Preparing Substituted Biphenyls 失效
    制备取代联苯的方法

    公开(公告)号:US20090005597A1

    公开(公告)日:2009-01-01

    申请号:US12087345

    申请日:2007-05-31

    IPC分类号: C07C201/12 C07C209/68

    摘要: A process for preparing substituted biphenyls of the formula I in which the substituents are defined as follows: X is fluorine or chlorine; R1 is nitro, amino or NHR3; R2 is cyano, nitro, halogen, C1-C6-alkyl, C1-C6-alkenyl, C1-C6-alkynyl, C1-C6-alkoxy, C1-C6-haloalkyl, C1-C6-alkylcarbonyl or phenyl; R3 is C1-C4-alkyl, C1-C4-alkenyl or C1-C4-alkynyl; n is 1, 2 or 3, where in case that n is 2 or 3, the R2 radicals may also be different, which comprises reacting the compound of the formula II in which Hal is halogen and X and R1 are as defined above, in the presence of a base and of a palladium catalyst selected from the group of: a) palladium-triarylphosphine or -trialkylphosphine complex with palladium in the zero oxidation state, b) salt of palladium in the presence of triarylphospine or trialkylphosphine as a complex ligand or c) metallic palladium, optionally applied to support, in the presence of triarylphosphine or trialkylphosphine, in a solvent, with a diphenylborinic acid (III) in which R2 and n are as defined above, where the triarylphosphines or trialkylphosphines used may be substituted.

    摘要翻译: 制备式I取代的联苯的方法,其中取代基定义如下:X是氟或氯; R1是硝基,氨基或NHR3; R2是氰基,硝基,卤素,C1-C6-烷基,C1-C6-烯基,C1-C6-炔基,C1-C6-烷氧基,C1-C6-卤代烷基,C1-C6-烷基羰基或苯基; R3是C1-C4-烷基,C1-C4-烯基或C1-C4-炔基; n为1,2或3,其中在n为2或3的情况下,R2基团也可以不同,其包括使Hal为卤素的化合物与X和R 1如上所定义的化合物反应在 存在碱和钯催化剂,其选自:a)钯 - 三芳基膦或三烷基膦配合物与钯在零氧化状态,b)钯在三芳基膦或三烷基膦作为络合配体的存在下的盐,或 c)金属钯,任选地在三芳基膦或三烷基膦存在下,在溶剂中与其中R 2和n如上定义的二苯基硼酸(III)反应,其中所用的三芳基膦或三烷基膦可以被取代。

    Process for preparing 2-(aminomethylidene)-4,4-difluoro-3-oxobutyric esters
    9.
    发明授权
    Process for preparing 2-(aminomethylidene)-4,4-difluoro-3-oxobutyric esters 有权
    制备2-(氨基亚甲基)-4,4-二氟-3-氧代丁酸酯的方法

    公开(公告)号:US08314233B2

    公开(公告)日:2012-11-20

    申请号:US12990359

    申请日:2009-04-30

    摘要: The present invention relates to a process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylic acids and their esters, 2-(aminomethylidene)-4,4-difluoro-3-oxobutteric esters of the formula (I) in which R1, R2 and R3 independently of one another are C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C3-C10-cycloalkyl or benzyl or NR2R3 is a 5- to 10-membered heterocyclic radical, to a process for preparing compounds of the formula (I) wherein an appropriate 3-aminoacrylic ester is reacted with difluoroacetyl fluoride and to the use of compounds of the formula (I) in the process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylic acids and their esters.

    摘要翻译: 本发明涉及式(I)的二氟甲基取代的吡唑-4-基羧酸及其酯,2-(氨基亚甲基)-4,4-二氟-3-氧代苦味酯的方法,其中R 1,R 2和 R 3彼此独立地是C 1 -C 6 - 烷基,C 1 -C 6 - 卤代烷基,C 2 -C 6 - 烯基,C 3 -C 10 - 环烷基或苄基或NR 2 R 3是5-至10-元杂环基, 式(I)的化合物,其中适当的3-氨基丙烯酸酯与二氟乙酰氟反应,以及在制备二氟甲基取代的吡唑-4-基羧酸及其酯的方法中使用式(I)的化合物。

    Method For Manufacturing Aryl Carboxamides
    10.
    发明申请
    Method For Manufacturing Aryl Carboxamides 有权
    芳基酰胺制备方法

    公开(公告)号:US20110054183A1

    公开(公告)日:2011-03-03

    申请号:US12990892

    申请日:2009-05-06

    IPC分类号: C07D213/82 C07D231/14

    摘要: A process for preparing arylcarboxamides of the formula (I) whereAr =a mono- to trisubstituted phenyl, pyridyl or pyrazolyl ring, where the substituents are selected from halogen, Ci-C4-alkyl and C1-C4-haloalkyl;M =thienyl or phenyl, which may bear a halogen substituent;Q =direct bond, cyclopropylene, fused bicycio[2.2.1]heptane or bicyclo[2.2.1]heptene ring;R1 =hydrogen, halogen, C1-C6-alkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, mono- to trisubstituted phenyl, where the substituents are selected from halogen and trifluoromethylthio, or cyclopropyl;by reacting an acid chloride of the formula (II) with an arylamine (III) in a suitable nonaqueous solvent, wherein, in the absence of an auxiliary base,a) the acid chloride (II) is initially charged,b) a pressure of from 0 to 700 mbar is established,c) the arylamine (III) is metered in in an approximately stoichiometric amount andd) the product of value is isolated.

    摘要翻译: 制备式(I)的芳基甲酰胺的方法,其中Ar =单 - 三取代的苯基,吡啶基或吡唑基环,其中取代基选自卤素,C 1 -C 4烷基和C 1 -C 4卤代烷基; M =噻吩基或苯基,其可以带有卤素取代基; Q =直接键合,亚环丙基,稠合二环[2.2.1]庚烷或双环[2.2.1]庚烯环; R1 =氢,卤素,C1-C6-烷基,C1-C4-烷氧基,C1-C4-卤代烷氧基,一至三取代的苯基,其中取代基选自卤素和三氟甲硫基,或环丙基; 通过使式(II)的酰氯与芳基胺(III)在合适的非水溶剂中反应,其中在没有辅助碱的情况下,a)最初加入酰氯(II),b) 建立0至700毫巴,c)芳基胺(III)以约化学计量的量计量,并且d)分离产物的值。