Method for Producing 5-Halo-2,4,6-Trifluoroisophthalic Acid
    2.
    发明申请
    Method for Producing 5-Halo-2,4,6-Trifluoroisophthalic Acid 审中-公开
    5-卤代-2,4,6-三氟间苯二甲酸的制备方法

    公开(公告)号:US20080146839A1

    公开(公告)日:2008-06-19

    申请号:US11908870

    申请日:2006-03-16

    IPC分类号: C07C63/70 C07C25/13

    摘要: The invention relates to a method for producing 5-halo-2,4,6-tifluoroisophthalic acid of formula (I), wherein X represents F, Cl, Br, or I, by hydrolysis of 5-halo-2,4,6-trifluoroisophthalodinitrile of formula (II). Said invention is characterised in that in a first step, isophthalodinitrile (II) or a solution containing isophthalodinitrile (II) is reacted with a concentrated sulphuric acid at room temperature in order to form a 5-halo-2,4,6-trifluoroisophthalodiamide of general formula (III), and is, subsequently, heated and in a second step, isophthalic acid (I) is produced after additional heating and addition of water.

    摘要翻译: 本发明涉及一种制备式(I)的5-卤代-2,4,6-三氟间苯二甲酸的方法,其中X代表F,Cl,Br或I,通过5-卤代-2,4,6 (II)的三氟间苯二腈。 本发明的特征在于,在第一步中,室温下将间苯二腈(II)或含有间苯二腈(II)的溶液与浓硫酸反应,以形成5-卤代-2,4,6-三氟间苯二甲酰胺, 通式(III),并且随后被加热,在第二步中,在另外加热和加入水之后产生间苯二甲酸(I)。

    Method for manufacturing aryl carboxamides
    4.
    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 alkyl 2-alkoxymethylene-4,4-difluoro-3-oxobutyrates
    5.
    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

    Process for preparing 2-(aminomethylidene)-4,4-difluoro-3-oxobutyric esters
    6.
    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
    7.
    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。

    Method for the production of halogen-substituted 2-(aminomethylidene)-3-oxobutyric acid esters
    9.
    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。