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    VERFAHREN ZUR HERSTELLUNG VON CARBONYLDIIMIDAZOLEN
    12.
    发明公开
    VERFAHREN ZUR HERSTELLUNG VON CARBONYLDIIMIDAZOLEN 有权

    公开(公告)号：EP1095024A1

    公开(公告)日：2001-05-02

    申请号：EP99939989.2

    申请日：1999-07-06

    Applicant: BASF AKTIENGESELLSCHAFT

    Inventor： STAMM, Armin ,  HENKELMANN, Jochem

    IPC: C07D233/61

    CPC classification number: C07D231/12 ,  C07D233/56 ,  C07D249/08

    Abstract: The invention relates to a method for producing carbonyl diimidazoles of general formulas (Ia), (Ib), (Ic) or mixtures thereof, whereby R1 represents hydrogen or a C¿1?-C4 alkyl radical and R?2¿ represents hydrogen or a methyl radical. According to the invention, stoichiometric quantities of an organic nitrogenous base which comprises a lower pK¿b? value than imidazole is added to the reaction mixture with regard to the imidazoles by reacting at least one imidazole of general formulas (IIa) and (IIb) in which R?1 and R2¿ have the aforementioned meanings with phosgene in an inert solvent.

    Abstract translation: 本发明涉及通式（Ia），（Ib），（Ic）或其混合物的羰基二咪唑的制备方法，其中R 1代表氢或C 1 -C 4烷基，R 2代表氢或 一个甲基。 根据本发明，化学计量量的有机含氮碱包括较低的pK b' 通过使至少一种通式（IIa）和（IIb）的咪唑与其中R 1和R 2具有前述含义的咪唑与光气在惰性溶剂中反应，将咪唑加入到反应混合物中。

    VERFAHREN ZUR HERSTELLUNG VON NEBENPRODUKTARMEN METHYLGLYCIN-N,N-DIESSIGSÄURE-TRIALKALIMETALLSALZEN
    13.
    发明公开
    VERFAHREN ZUR HERSTELLUNG VON NEBENPRODUKTARMEN METHYLGLYCIN-N,N-DIESSIGSÄURE-TRIALKALIMETALLSALZEN 有权
    工艺用于生产产物侧臂甲基甘氨酸-N，N-二TRIALKALIMETALLSALZEN

    公开(公告)号：EP1881957A1

    公开(公告)日：2008-01-30

    申请号：EP06743390.4

    申请日：2006-05-02

    Applicant: BASF AKTIENGESELLSCHAFT

    Inventor： OFTRING, Alfred ,  BRAUN, Gerold ,  WIRSING, Friedrich ,  STAMM, Armin ,  BALDENIUS, Kai-Uwe

    IPC: C07C227/26 ,  C07C229/16

    CPC classification number: C07C227/26 ,  C07C229/16

    Abstract: The invention relates to a method for producing a light-coloured methylglycine-N,N-diethanoic acid trialkali metal salt with a low by-product content, by the alkaline hydrolysis of methylglycine diacetonitrile, said method comprises steps that are carried out in the order (a) to (f): (a) mixing of the methylglycine diacetonitrile with an aqueous alkali lye at a temperature of = 30 °C; (b) the aqueous alkali methylglycine diacetonitrile suspension is then reacted at a temperature ranging between 10 and 30 °C for a period of 0.1 to 10 h, to form a solution; (c) the solution obtained in step (b) is then reacted at a temperature ranging between 30 to 40 °C for a period of 0.1 to 10 h; (d) optionally the solution obtained in step (c) is reacted at a temperature ranging between 50 and 80 °C for a period of between 0.5 and 2 h; (e) optionally the solution obtained in step (c) or (d) is reacted at a temperature ranging between 110 and 200 °C for a period of between 5 and 60 min; (f) hydrolysis and isolation of ammonia from the solution obtained in step (c), (d) or (e) by stripping at a temperature of between 90 and 105 °C.

    VERFAHREN ZUR HERSTELLUNG VON O-CHLORMETHYLBENZOESÄURECHLORIDEN
    16.
    发明公开
    VERFAHREN ZUR HERSTELLUNG VON O-CHLORMETHYLBENZOESÄURECHLORIDEN 有权

    公开(公告)号：EP1265837A2

    公开(公告)日：2002-12-18

    申请号：EP00977582.6

    申请日：2000-11-27

    Applicant: BASF AKTIENGESELLSCHAFT

    Inventor： GÖTZ, Roland ,  GÖTZ, Norbert ,  KEIL, Michael ,  WOLF, Bernd ,  STEINMETZ, Adrian ,  STAMM, Armin ,  HENKELMANN, Jochem

    IPC: C07C51/60 ,  C07C63/10

    CPC classification number: C07C51/60 ,  C07C63/10

    Abstract: The invention relates to a method for producing o-chloromethyl benzoic acid chlorides of formula (I), in which R1 to R4 can be the same or different and represent hydrogen C¿1?-C4 alkyl, halogen or trifluoromethyl, by reacting benzo-condensed lactones of formula (II), in which R?1 to R4¿ have the above-mentioned meaning, with thionyl chloride. The inventive method is characterized in that the reaction is carried out in the presence of catalytic quantities of a Lewis acid and in the presence of catalytic quantities of a phosphine derivative.

    Abstract translation: 本发明涉及制备式（I）的邻氯甲基苯甲酰氯的方法，其中R 1至R 4可以相同或不同并表示氢C 1 -C 4烷基，卤素或三氟甲基， 其中R 1至R 4具有上述含义的式（II）的缩合内酯与亚硫酰氯反应。 本发明的方法的特征在于反应在催化量的路易斯酸存在下和在催化量的膦衍生物存在下进行。

    VERFAHREN ZUR HERSTELLUNG VON CHLORCARBONSÄURECHLORIDEN
    17.
    发明公开
    VERFAHREN ZUR HERSTELLUNG VON CHLORCARBONSÄURECHLORIDEN 有权
    VERFAHREN ZUR HERSTELLUNG VONCHLORCARBONSÄURECHLORIDEN

    公开(公告)号：EP1259473A1

    公开(公告)日：2002-11-27

    申请号：EP01919355.6

    申请日：2001-02-28

    Applicant: BASF AKTIENGESELLSCHAFT

    Inventor： STAMM, Armin ,  KNEUPER, Heinz-Josef ,  HENKELMANN, Jochem ,  WEBER, Theodor ,  BUSCH, Ralph

    IPC: C07C51/60 ,  C07C53/50

    CPC classification number: C07C51/60 ,  C07C53/50

    Abstract: The invention relates to a method for producing chlorocarboxylic acid chlorides of formula (I), wherein R?1 and R2¿, independently from one another, mean a hydrogen atom, an organic radical containing carbon, a halogen, a nitro or cyano group and Y means an alkylene chain having 1 to 10 carbon atoms in the chain which is unsubstituted or is substituted by organic radicals that contain carbon, by halogen, nitro and/or cyano groups, whereby the alkylene chain can be interrupted by an ether-, thioether-, tertiary amino- or keto group, whereby the organic radicals of Y and/or R1 and/or R2 can be connected to one another and thereby form a non-aromatic system, whereby said radicals contain carbon, by converting a lactone of formula (II), wherein R1, R2 and Y have the aforementioned meanings, using a hydrogen chloride and phosgene in the presence of a catalyst. Hydrogen chloride is added before and/or while phosgene is added. The hydrogen chloride is only introduced at a temperature of at least 60 °C. A pyridine compound is used as the catalyst.

    Abstract translation: 本发明涉及制备式（I）的氯代羧酸氯化物的方法，其中R 1和R 2彼此独立地表示氢原子，含碳的有机基团，卤素，硝基或氰基，和 Y表示在未被取代或被含有碳的有机基团取代的链中具有1至10个碳原子的亚烷基链，其通过卤素，硝基和/或氰基基团取代，其中亚烷基链可被醚 - ，硫醚 - 叔氨基或酮基，其中Y和/或R 1和/或R 2的有机基团可以彼此连接并由此形成非芳族体系，由此所述基团含有碳，通过将式 （II）的化合物，其中R1，R2和Y具有上述含义，在催化剂存在下使用氯化氢和光气。 氯化氢在加入光气之前和/或加入光气时加入。 氯化氢仅在至少60℃的温度下引入。 吡啶化合物用作催化剂。

    VERBESSERTES VERFAHREN ZUR HERSTELLUNG VON MONO- UND OLIGOISOCYANATEN
    19.
    发明公开
    VERBESSERTES VERFAHREN ZUR HERSTELLUNG VON MONO- UND OLIGOISOCYANATEN 有权

    公开(公告)号：EP1208082A1

    公开(公告)日：2002-05-29

    申请号：EP00951530.5

    申请日：2000-08-23

    Applicant: BASF AKTIENGESELLSCHAFT

    Inventor： STAMM, Armin ,  KNEUPER, Heinz-Josef ,  THIL, Lucien ,  HENKELMANN, Jochem

    IPC: C07C263/10

    CPC classification number: C07C263/10 ,  C07C2601/14 ,  C07C265/08 ,  C07C265/10 ,  C07C265/12

    Abstract: The invention relates to a method for producing aliphatic, cycloaliphatic, araliphatic and aromatic monoisocyanates and oligoisocyanates by phosgenating the corresponding primary amines at normal pressure. The inventive method is characterized in that: a) a catalytic quantity of a monoisocyanate (isocyanate a) is placed in an inert solvent with phosgene; b) the primary amine is added, and; c) the reaction mixture obtained thereby is reacted with phosgene.

    Abstract translation: 本发明涉及通过在大气压下相应的伯胺的光气化制备脂族，脂环族，芳脂族和芳族单 - 和低聚异氰酸酯的方法，其包括a）将催化量的单异氰酸酯（异氰酸酯a）引入惰性 溶剂与光气一起加入; b）加入伯胺，和c）使所得反应混合物与光气反应。

    VERFAHREN ZUR HERSTELLUNG VON CARBONSÄURECHLORIDEN
    20.
    发明公开
    VERFAHREN ZUR HERSTELLUNG VON CARBONSÄURECHLORIDEN 有权
    用于生产羧酸酰氯

    公开(公告)号：EP1124783A1

    公开(公告)日：2001-08-22

    申请号：EP99959265.2

    申请日：1999-10-29

    Applicant: BASF AKTIENGESELLSCHAFT

    Inventor： STAMM, Armin ,  HENKELMANN, Jochem

    IPC: C07C51/60 ,  C07C53/42 ,  C07C53/50

    CPC classification number: C07C51/60

    Abstract: The invention relates to a method for producing acid chlorides by reacting carboxylic acids, carboxylic acid anhydrides, cyclic carboxylic acid esters or sulfonic acids with phosgene in the presence of a catalytic amount of a compound from the group comprised of N, N, N', N'-tetrasubstituted amidinium halides (I), N, N, N'-trisubstituted amidinium hydrohalides (II) and N, N, N'-trisubstituted amidines (III).

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