Catalyst comprising an amidophosphonium salt for halex reactions
    31.
    发明授权
    Catalyst comprising an amidophosphonium salt for halex reactions 失效
    包含用于halex反应的酰胺鏻盐的催化剂

    公开(公告)号:US6103659A

    公开(公告)日:2000-08-15

    申请号:US341986

    申请日:1999-07-21

    摘要: Catalyst for halogen-fluorine exchange reactions on aromatics, consisting essentially of a mixture of one or more compounds of the component a) plus at least one compound of the components b), c) and/or d), whereina) is an amidophosphonium salt of the formula (I) ##STR1## where A.sup.1, A.sup.2, A.sup.3, A.sup.4, A.sup.5, A.sup.6, A.sup.7, A.sup.8 are, independently of one another, identical or different and are each a straight-chain or branched alkyl or alkenyl having from 1 to 12 carbon atoms, cycloalkyl having from 4 to 8 carbon atoms, an aryl having from 6 to 12 carbon atoms, an aralkyl having from 7 to 12 carbon atoms, or A.sup.1 A.sup.2, A.sup.3 A.sup.4, A.sup.5 A.sup.6, A.sup.7 A.sup.8 are, independently of one another, identical or different and are in each case connected to one another either directly or via O or N--A.sup.9 to form a ring having from 3 to 7 ring atoms, A.sup.9 is an alkyl having from 1 to 4 carbon atoms and B.sup..crclbar. is a monovalent acid anion or the equivalent of a polyvalent acid anion,b) a quaternary ammonium salt,c) a quaternary phosphonium salt, andd) a crown ether or a polyether of the formula (IV):R.sup.10 --(O--O.sub.x H.sub.2x).sub.r --OR.sup.11 (IV).

    摘要翻译: PCT No.PCT / EP90 / 00332 Sec。 371日期:1999年7月21日 102(e)日期1999年7月21日PCT提交1998年1月22日PCT公布。 出版物WO98 / 32532 日期1998年7月30日关于芳族化合物的卤素 - 氟交换反应的催化剂,主要由一种或多种组分a)的化合物与至少一种组分b),c)和/或d)的化合物的混合物组成,其中 a)是式(I)的酰胺鏻盐,其中A1,A2,A3,A4,A5,A6,A7,A8彼此独立地相同或不同,并且各自是直链或支链烷基或烯基 具有1至12个碳原子,具有4至8个碳原子的环烷基,具有6至12个碳原子的芳基,具有7至12个碳原子的芳烷基,或者A 1 A 2,A 3 A 4,A 5 A 6,A 7 A 8独立地为 彼此相同或不同,并且各自直接或通过O或N-A9彼此连接以形成具有3至7个环原子的环,A 9是具有1至4个碳原子的烷基和B( - )是一价酸阴离子或多价酸阴离子当量,b)季铵盐,c)季鏻 盐和d)冠醚或式(IV)的聚醚:R 10 - (O-OxH 2 x)r -OR 11(IV)。

    Process for producing quinazoline derivatives
    32.
    发明授权
    Process for producing quinazoline derivatives 失效
    喹唑啉衍生物的制备方法

    公开(公告)号:US6001831A

    公开(公告)日:1999-12-14

    申请号:US29723

    申请日:1998-05-22

    CPC分类号: C07D239/96

    摘要: A process for producing 1,2,3,4-tetrahydro-2,4-dioxo-quinazoline-1-yl acetic acid derivatives of the formula (I) in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are mutually independently hydrogen, halogen, OH, NO.sub.2, (C.sub.1 -C.sub.6) alkoxy, (C.sub.1 -C.sub.6) alkyl, halogen-substituted (C.sub.1 -C.sub.6) alkyl, R.sup.5 is hydrogen, (C.sub.1 -C.sub.6) alkyl, phenyl where the alkyl or phenyl radical may also be substituted by halogen atoms; in which an anthranilic acid derivative of formula (II), in which R.sup.1 to R.sup.5 have the above meaning and R.sup.6 is hydrogen, (C.sub.1 -C.sub.6) alkyl or phenyl, where the alkyl or phenyl radical may also be substituted by halogen atoms, is reacted with a metal cyanate and hydrogen chloride in the presence of an inert solvent. ##STR1##

    摘要翻译: PCT No.PCT / EP96 / 03632 Sec。 371日期:1998年5月22日 102(e)日期1998年5月22日PCT提交1996年8月19日PCT公布。 出版物WO97 / 08154 日期1997年3月6日制备式(I)的1,2,3,4-四氢-2,4-二氧代喹唑啉-1-基乙酸衍生物的方法,其中R 1,R 2,R 3和R 4相互 独立地是氢,卤素,OH,NO2,(C1-C6)烷氧基,(C1-C6)烷基,卤素取代的(C1-C6)烷基,R5是氢,(C1-C6)烷基,苯基,其中烷基或苯基 自由基也可以被卤素原子取代; 其中式(II)的邻氨基苯甲酸衍生物,其中R1至R5具有上述含义,R6为氢,(C1-C6)烷基或苯基,其中烷基或苯基也可被卤素原子取代, 在惰性溶剂存在下与金属氰酸盐和氯化氢反应。

    Monoesters of carboxymethylene anthranilic acids and process for
preparing the same
    33.
    发明授权
    Monoesters of carboxymethylene anthranilic acids and process for preparing the same 失效
    羧甲基邻氨基苯甲酸的单酯及其制备方法

    公开(公告)号:US5973189A

    公开(公告)日:1999-10-26

    申请号:US29594

    申请日:1998-07-16

    CPC分类号: C07C229/56

    摘要: Compounds have the formula (I), ##STR1## in which R stands for straight-chain or branched (C.sub.1 -C.sub.20) alkyl, phenyl or CH.sub.2 phenyl, the alkyl group or phenyl group being optionally substituted by halogen, (C.sub.1 -C.sub.4) alkyl, (C.sub.1 -C.sub.4) alkoxy, and R.sup.1, R.sup.2, R.sup.3, R.sup.4 independently represent hydrogen, halogen, OH, NO.sub.2, (C.sub.1 -C.sub.6) alkoxy, (C.sub.1 -C.sub.6) alkyl or halogen-substituted (C.sub.1 -C.sub.6)-alkyl. Also disclosed is a process for preparing these compounds.

    摘要翻译: PCT No.PCT / EP96 / 03631 Sec。 371日期:1998年7月16日 102(e)1998年7月16日PCT PCT 1996年8月19日PCT公布。 公开号WO97 / 08131 化合物具有式(I),其中R代表直链或支链(C1-C20)烷基,苯基或CH2苯基,烷基或苯基任选被卤素取代,(C1- C4烷基,(C1-C4)烷氧基,R1,R2,R3,R4独立地表示氢,卤素,OH,NO2,(C1-C6)烷氧基,(C1-C6)烷基或卤素取代的(C1-C6 )-烷基。 还公开了制备这些化合物的方法。

    Process for the preparation of esters of aromatic carboxylic acids
    35.
    发明授权
    Process for the preparation of esters of aromatic carboxylic acids 失效
    制备芳族羧酸酯的方法

    公开(公告)号:US5744628A

    公开(公告)日:1998-04-28

    申请号:US681635

    申请日:1996-07-29

    CPC分类号: C07C67/11

    摘要: The present invention relates to a process for the preparation of compounds of the formula (1) R.sup.1 R.sup.2 R.sup.3 R.sup.4 R.sup.5 ArCOOR (1) in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical or different and are hydrogen, a halogen, an alkyl or alkoxy group having 1 to 6 carbon atoms, OR, NHR, NR.sub.2, SR or COOR, R being an alkyl radical having 1 to 4 carbon atoms, Ar is an aryl radical having 6 to 12 carbon atoms and the radical R identified in formula (1) has the above meaning, by reacting a compound of the formula (2) R.sup.1 R.sup.2 R.sup.3 R.sup.4 R.sup.5 ArCOOH (2) in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical or different and are hydrogen, a halogen, an alkyl or alkoxy group having 1 to 6 carbon atoms, OH, NH.sub.2, NHR, SH or COOH and Ar has the same meaning as in formula (1), with a sulfate of the formula (RO).sub.2 SO.sub.2, in which R has the above meaning, at a pH from 5 to 12 in the presence of a water-insoluble tertiary amine and water at a temperature from 10.degree. to 120.degree. C. in the presence or absence of a water-insoluble solvent and with addition of a base.

    摘要翻译: 本发明涉及制备式(1)化合物的方法,R1R2R3R4R5ArCOOR(1)其中R1,R2,R3,R4和R5相同或不同,为氢,卤素,烷基或烷氧基,其具有 1至6个碳原子,OR,NHR,NR 2,SR或COOR,R为具有1至4个碳原子的烷基,Ar为具有6至12个碳原子的芳基,式(1)中所定义的基团R 通过使式(2)R 1 R 2 R 3 R 4 R 5 ArCOOH(2)的化合物与其中R 1,R 2,R 3,R 4和R 5相同或不同且为氢,卤素,具有1至6个碳原子的烷基或烷氧基 原子,OH,NH 2,NHR,SH或COOH和Ar具有与式(1)中相同的含义,其中R为具有上述含义的式(RO)2 SO 2的硫酸盐,pH为5至12 在水不溶性叔胺和水的存在下,在存在或不存在水不溶性溶剂的情况下,在10〜120℃的温度下,加入o 一个基地

    Process for the preparation of aromatic compounds by decarboxylation of
aromatic carboxylic acids
    36.
    发明授权
    Process for the preparation of aromatic compounds by decarboxylation of aromatic carboxylic acids 失效
    通过芳族羧酸脱羧制备芳香族化合物的方法

    公开(公告)号:US5739388A

    公开(公告)日:1998-04-14

    申请号:US641877

    申请日:1996-05-02

    CPC分类号: C07C51/38 C07C17/363

    摘要: The present invention relates to a process for the preparation of compounds of the formula ##STR1## in which the radicals R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical or different and are COOH, H, F, Cl, Br, CF.sub.3, OH, an alkoxy or alkyl radical having in each case 1 to 4 carbon atoms or a radical --NR.sup.6 R.sup.7, in which R.sup.6 and R.sup.7 are identical or different and are H, an alkyl radical having 1 to 4 carbon atoms or a phenyl radical, by dissolving in water a compound of the formula ##STR2## in which the radicals R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identical or different and have the abovementioned meaning or, in departure therefrom, instead of H can be COOH, admixing the aqueous solution with a water-insoluble amine which is inert under the reaction conditions and carrying out the decarboxylation at a pH of 3 to 9 and a temperature of 70.degree. to 210.degree. C. in the presence or absence of a water-insoluble solvent which is inert under the reaction conditions and in the presence or absence of a decarboxylation catalyst.

    摘要翻译: 本发明涉及一种制备式(1)化合物的方法,其中基团R 1,R 2,R 3,R 4和R 5相同或不同,为COOH,H,F,Cl,Br, CF 3,OH,各自为1至4个碳原子的烷氧基或烷基,或-NR 6 R 7基团,其中R 6和R 7相同或不同,为H,具有1至4个碳原子的烷基或苯基 通过在水中溶解其中基团R 1,R 2,R 3,R 4和R 5相同或不同并具有上述含义的式(Ⅹ)的化合物,或者从其中代替H可以是COOH 将水溶液与在反应条件下为惰性的水不溶性胺混合,在存在或不存在水溶性的情况下,在3〜9的pH和70〜210℃的温度下进行脱羧, 在反应条件下和存在或不存在脱羧基猫时是惰性的 阿利斯特

    Process for the preparation of 4-alkoxy-3,5,6-trifluoro-phthalic acids
and 3-alkoxy-2,4,5-trifluorobenzoic acids
    37.
    发明授权
    Process for the preparation of 4-alkoxy-3,5,6-trifluoro-phthalic acids and 3-alkoxy-2,4,5-trifluorobenzoic acids 失效
    制备4-烷氧基-3,5,6-三氟邻苯二甲酸和3-烷氧基-2,4,5-三氟苯甲酸的方法

    公开(公告)号:US5488152A

    公开(公告)日:1996-01-30

    申请号:US386292

    申请日:1995-02-09

    CPC分类号: C07C51/38 C07C67/31

    摘要: The present invention relates to a process for the preparation of 4-alkoxy-3,5,6-trifluorophthalic acids of the formula ##STR1## in which R is an alkyl radical having 1 to 5 carbon atoms which may be monofluorinated or polyfluorinated, a cycloalkyl radical having 3 to 5 carbon atoms in the ring which may be monofluorinated or polyfluorinated, or an araliphatic radical which may be monofluorinated or polyfluorinated, or, if desired, of 3-alkoxy-2,4,5-trifluorobenzoic acids of the formula ##STR2## in which R is as defined above, which involves reacting tetrafluorophthalic acid or tetrafluorophthalic anhydride with an alcohol of the formula ROH in which R is as defined above and with a water-soluble base in water at elevated temperature, isolating the 4-alkoxy-3,5,6-trifluorophthalic acid formed and, if desired, decarboxylating the 4-alkoxy-3,5,6-trifluorophthalic acid in the presence of a basic solvent and, if desired, of an inert solvent at from 70.degree. to 180.degree. C., and isolating the 3-alkoxy-2,4,5-trifluorobenzoic acid formed.

    摘要翻译: 本发明涉及制备式(1)的4​​-烷氧基-3,5,6-三氟邻苯二甲酸的方法,其中R是具有1至5个碳原子的烷基,其可以是单氟化的或 可以是单氟化或多氟化的环中具有3至5个碳原子的环烷基,或可以是单氟化或多氟化的芳脂族基团,或如果需要,可以是3-烷氧基-2,4,5-三氟苯甲酸 其包括使四氟邻苯二甲酸或四氟邻苯二甲酸酐与式ROH的醇反应,其中R如上所定义,并在高温下与水溶性碱溶解在水中,分离出4-烷氧基-3,5,6-三 三氟邻苯二甲酸,如果需要,在碱性溶剂和需要时,在70-180℃的惰性溶剂的存在下,使4-烷氧基-3,5,6-三氟邻苯二甲酸脱羧, 3-烷氧基-2,4,5-三氟苯甲酸 医学

    Process for the preparation of halogenated benzoic acids
    38.
    发明授权
    Process for the preparation of halogenated benzoic acids 失效
    卤代苯甲酸的制备方法

    公开(公告)号:US5481032A

    公开(公告)日:1996-01-02

    申请号:US159087

    申请日:1993-11-29

    申请人: Ralf Pfirmann

    发明人: Ralf Pfirmann

    摘要: A process for the preparation of halogenated benzoic acids of formula (1): ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are hydrogen, fluorine, chlorine or bromine atoms or C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, nitro, cyano, trifluoromethyl, aidehyde, C.sub.1 -C.sub.4 -alkoxycarbonyl, -SO.sub.2 -C.sub.1 -C.sub.4 -alkyl, -SO.sub.2 -phenyl, -CONH.sub.2, -CON(C.sub.1 -C.sub.4 -alkyl).sub.2, hydroxy, carboxy, -NH.sub.2 or -N(C.sub.1 -C.sub.4 - alkyl).sub.2 groups, at least one of the substituents R.sub.1 -R.sub.5 being one of said halogen atoms, which comprises reacting 1 mol of a benzophenone, asymmetrically substituted on the benzene rings A and B, of general formula (2): ##STR2## in which R.sup.1 -R.sup.10 are as defined above for R.sub.1 -R.sub.5, with about 1 to about 10 mol of an oxidizing agent selected from the group comprising hydrogen peroxide, urea/hydrogen peroxide addition product, an alkali metal peroxide, ammonium, alkali metal or alkaline earth metal peroxodisulfates, pertungstates, perborates or percarbonates, ozone, alkyl- or aryl-percarboxylic acids, alkyl- or aryl-persulfonic acids or persulfuric acid, at temperatures from about -20.degree. to about +100.degree. C.

    摘要翻译: 制备式(1)的卤代苯甲酸的方法:其中R1,R2,R3,R4和R5是氢,氟,氯或溴原子或C1-C6-烷基,C1- C 1 -C 4烷氧基,硝基,氰基,三氟甲基,脱氢,C 1 -C 4烷氧基羰基,-SO 2 -C 1 -C 4烷基,-SO 2 - 苯基,-CONH 2,-CON(C 1 -C 4烷基)2,羟基,羧基, -NH 2或-N(C 1 -C 4 - 烷基)2基团,至少一个取代基R 1 -R 5是所述卤素原子之一,其包括使1摩尔苯苯酮在苯环A和B上不对称取代, 的通式(2):其中R 1 -R 10如上文对R 1 -R 5所定义,其中约1至约10mol氧化剂选自过氧化氢,尿素/过氧化氢 加成产物,碱金属过氧化物,铵,碱金属或碱土金属过氧二硫酸盐,过钨酸盐,过硼酸盐或过碳酸盐,臭氧,烷基或芳基过羧酸,烷基或芳基 - 磺酸或说服 在约-20℃至约+ 100℃的温度下,

    Process for the preparation of 2,4-dichlorofluorobenzene
    39.
    发明授权
    Process for the preparation of 2,4-dichlorofluorobenzene 失效
    制备2,4-二氯代苯并噻唑的方法

    公开(公告)号:US5227545A

    公开(公告)日:1993-07-13

    申请号:US958287

    申请日:1992-10-08

    摘要: Process for the preparation of 2,4-dichlorofluorobenzene in high yield and purity without intermediate separation of the isomers formed,(1) by nitrating 1 mol of fluorobenzene to give nitrofluorobenzene using a mixture comprising 35 to 65 parts by weight of 50 to 90% strength sulfuric acid and 35 to 65 parts by weight of a nitrating acid comprising 35 to 55 parts by weight of 95 to 98% strength sulfuric acid and 45 to 65 parts by weight of 96 to 98% strength nitric acid, with the proviso that 0.8 to 2.0 equivalents of the nitrating agent NO.sub.2.sup.+ are used per mol of fluorobenzene, at 20.degree. to 90.degree. C., (2) allowing 25 g to 150 g of chlorine, in the presence of a ring chlorinating catalyst, to act on each 100 g of the crude nitrofluorobenzene mixture obtained, at 20.degree. to 100.degree. C., and (3) allowing about 18 g to about 203 g of chlorine or equivalent amounts of a chlorine releasing agent to act on each 100 g of the crude chlorofluoronitrobenzene mixture obtained, after removal of the ring chlorinating catalyst, at 110.degree. to 220.degree. C., and isolating the 2,4-dichlorofluorobenzene.

    摘要翻译: 以高产率和纯度制备2,4-二氯氟苯的方法,不中间分离所形成的异构体,(1)通过硝化1mol氟苯得到硝基氟苯,使用包含35-65重量份的50-90% 强度硫酸和35〜65重量份的硝酸,其包含35至55重量份的95至98重量%的硫酸和45至65重量份的96至98重量%的硝酸,条件是0.8 在20〜90℃下,每摩尔氟苯使用2.0当量的硝化剂NO2 +,(2)在环状氯化催化剂的存在下,使25克至150克的氯作用于每100份 在20-100℃下得到粗硝基氟苯混合物,和(3)允许约18g至约203g氯或等量的氯释放剂作用于每100g 100g氯氟硝基苯混合物混合物 获得后,拆除后 在110℃至220℃下分离出2,4-二氯氟苯。