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    PROCESS FOR SCRUBBING DINITROTOLUENE
    42.
    发明申请
    PROCESS FOR SCRUBBING DINITROTOLUENE 有权
    用于洗涤DINTROOLUENE的方法

    公开(公告)号：US20140039227A1

    公开(公告)日：2014-02-06

    申请号：US13870506

    申请日：2013-04-25

    Applicant: BASF SE

    Inventor： Samuel NETO ,  Ruediger FRITZ ,  Renate HEMPEL ,  Holger ALLARDT ,  Barbara BECKER ,  Julia LESCHINSKI ,  Sebastian AHRENS ,  Heinrich HERMANN ,  Mirko HAENDEL ,  Juergen POEHLMANN

    IPC: C07C205/06

    CPC classification number: C07C205/06 ,  C07C201/06

    Abstract: The invention relates to a process for scrubbing a crude mixture comprising dinitrotoluene, nitric acid, nitrogen oxides and sulfuric acid obtained in the nitration of toluene after the nitrating acid has been separated off, which comprises two scrubbing steps (SS-I) and (SS-II), wherein i) in a first scrubbing step (SS-I), the crude mixture is extracted with a scrubbing acid I comprising nitric acid, nitrogen oxides and sulfuric acid in a scrub comprising at least one extraction stage, where the scrubbing acid discharged from the first extraction stage (SS-I-1) of the first scrubbing step (SS-I) has a total acid content of from 20 to 40% by weight and a prescrubbed crude mixture is obtained, ii) in a second scrubbing step (SS-II), the prescrubbed crude mixture comprising dinitrotoluene is extracted with a scrubbing acid II in a scrub comprising at least one extraction stage, where the scrubbing acid discharged from the first extraction stage (SS-II-1) of the second scrubbing step (SS-II) has a pH of less than or equal to 4 and a mixture comprising dinitrotoluene which is essentially free of nitric acid, sulfuric acid and nitrogen oxides is obtained.

    Abstract translation: 本发明涉及一种在分离出硝化酸后，除去包含二硝基甲苯，硝酸，氮氧化物和硫酸在硝化硝酸中得到的粗混合物的方法，该方法包括两个洗涤步骤（SS-I）和（SS -II），其中i）在第一洗涤步骤（SS-1）中，粗制混合物用包含硝酸，氮氧化物和硫酸的洗涤酸I在包含至少一个萃取阶段的洗涤中萃取，其中洗涤 从第一洗涤步骤（SS-I）的第一提取阶段（SS-I-1）排出的酸的总酸含量为20至40重量％，得到预混合的粗混合物，ii）在第二次 洗涤步骤（SS-II），包含二硝基甲苯的预先混合的粗混合物在洗涤中用擦洗酸II萃取，其包含至少一个提取阶段，其中从第一提取阶段（SS-II-1）排出的洗涤酸 第二洗涤步骤（SS- II）具有小于或等于4的pH，并且获得基本上不含硝酸，硫酸和氮氧化物的二硝基甲苯的混合物。

    Synthesis of 3-(5-nitrocyclohex-1-enyl) acrylic acid and esters thereof
    44.
    发明授权
    Synthesis of 3-(5-nitrocyclohex-1-enyl) acrylic acid and esters thereof 失效
    3-（5-硝基环己-1-烯基）丙烯酸及其酯的合成

    公开(公告)号：US07678948B2

    公开(公告)日：2010-03-16

    申请号：US12274075

    申请日：2008-11-19

    Applicant: Tiruvettipuram K. Thiruvengadam ,  Tao Wang ,  John S. Chiu ,  Jing Liao

    Inventor： Tiruvettipuram K. Thiruvengadam ,  Tao Wang ,  John S. Chiu ,  Jing Liao

    IPC: C07C205/01

    CPC classification number: C07C251/44 ,  C07C201/06 ,  C07C249/08 ,  C07C2601/16 ,  C07C205/56 ,  C07C251/42

    Abstract: This application discloses provides a process for the introduction of nitro-group functionality into a compound which contains also a site of unsaturation and/or oxygen functionality by direct (one step) oxidation of an oxime functional group mediated by a molybdenum VI/VII peroxo complex, the process comprising: (a) providing a substrate of Formula I containing an oxime functional group; wherein R1 and R2 are selected independently from linear, branched or cyclic alkyl and linear, branched or cyclic alkenyl groups, optionally substituted, with the proviso that at least one of R1 or R2 contains a carbon/carbon double bond; and (b) contacting said substrate of Formula I with a molybdenum oxidation complex, thereby oxidizing said oxime functional group to a nitro functional group to yield the structure of Formula III. Where R1 and R2 are as defined above.

    Abstract translation: 本申请公开提供了一种通过由钼VI / VII过氧配合物介导的肟官能团的直接（一步）氧化将硝基官能团引入到还含有不饱和位和/或氧官能团位点的化合物的方法 该方法包括：（a）提供含有肟官能团的式I的底物; 其中R 1和R 2独立地选自直链，支链或环状的烷基和直链，支链或环状烯基，任选被取代，条件是R 1或R 2中的至少一个含有碳/碳双键; 和（b）使式I的底物与钼氧化络合物接触，从而将所述肟官能团氧化为硝基官能团，得到式III的结构。 其中R1和R2如上所定义。

    Method of producing nitro-phenols
    45.
    发明授权
    Method of producing nitro-phenols 失效
    制备硝基酚的方法

    公开(公告)号：US4229595A

    公开(公告)日：1980-10-21

    申请号：US945367

    申请日：1978-09-25

    Applicant: Erik Bengtsson ,  Boris Holm

    Inventor： Erik Bengtsson ,  Boris Holm

    IPC: C07C67/00 ,  C07C201/00 ,  C07C205/22 ,  C07C207/04 ,  C07C79/26

    CPC classification number: C07C201/00 ,  C07C201/06

    Abstract: Preparation of nitro compounds of phenols and alkyl substituted derivatives thereof which includes nitrosating phenols or alkyl derivative thereof, oxidizing the nitroso compound, separating off nitrogen oxides, separating nitro compounds from reaction mixture, and subjecting mother liquor and washing liquids to destructive oxidation at elevated temperatures and recycling nitrogen oxides and nitric acid.

    Abstract translation: 制备苯酚和其烷基取代衍生物的硝基化合物，包括亚硝化酚或其烷基衍生物，氧化亚硝基化合物，分离出氮氧化物，将硝基化合物与反应混合物分离，并使母液和洗涤液体在高温下进行破坏性氧化 并回收氮氧化物和硝酸。

    Apparatus for producing nitroparaffins
    47.
    发明授权
    Apparatus for producing nitroparaffins 失效
    硝基石油生产装置

    公开(公告)号：US3869253A

    公开(公告)日：1975-03-04

    申请号：US38450873

    申请日：1973-08-01

    Applicant: AZOTE & PROD CHIM

    Inventor： LHONORE PIERRE ,  COHEN GUY ,  JACQUINOT BERNARD

    IPC: B01J12/00 ,  C07C201/14 ,  C07C205/02 ,  C07C79/02 ,  B01J1/00

    CPC classification number: C07C201/06 ,  B01J12/00 ,  Y02P20/582 ,  C07C205/02

    Abstract: The invention relates to an process for the production of nitroparaffins from hydrocarbons higher than methane, by nitration with nitrogen peroxide in the presence of oxygen, introduced in the form of air, wherein the nitration is carried out at a pressure which is between 8 and approximately 14 bars, the reactant gases being preheated under the reaction pressure and introduced into the reaction zone between 150* and 330*C, the gaseous effluents originating from the nitration zone being subjected to a rapid cooling or quenching.

    Abstract translation: 本发明涉及一种从高于甲烷的烃生产硝基烷烃的方法，通过在氧气存在下用氮气进行硝化，以空气的形式引入，其中硝化在8至大约的压力下进行 14巴，反应物气体在反应压力下预热，并引入150至330℃的反应区，来自硝化区的气态流出物经受快速冷却或骤冷。

    Process for the production of p-nitrophenols
    48.
    发明授权
    Process for the production of p-nitrophenols 失效
    生产对硝基苯酚的方法

    公开(公告)号：US3848002A

    公开(公告)日：1974-11-12

    申请号：US27721572

    申请日：1972-08-02

    Applicant: CHEMINOVE AS

    Inventor： WEIS J ,  PEDERSEN B

    IPC: C07C67/00 ,  C07C201/00 ,  C07C205/22 ,  C07C207/04 ,  C07C79/24

    CPC classification number: C07C201/00 ,  C07C201/06 ,  C07C207/04 ,  C07C205/22

    Abstract: 1. A PROCESS FOR THE PRODUCTION OF P-NITROPHENOLS WHICH COMPRISES (A) MIXING (1) A NITRILE OF THE FORMULA R.O.NO, IN WHICH R IS AN ALKYL GROUP HAVING 1-6 CARBON ATOMS WITH (2) PHENOLS SELECTED FROM THE GROUP CONSISTING ESSENTIALLY OF PHENOL, M-CRESOL AND A MIXTURE OF MAND P-CRESOL IN AN ACIDIC AQUEOUS MEDIUN WHICH IS AN AQUEOUS SOLUTION OF A STRONG ACID AT TEMPERATURES RANGING FROM -20* TO 20*C TO FORM A PRECURSOR P-NITROSOPHENOL; AND (B) TREATING THE P-NITROSOPHENOL WITH NITRIC ACID IN THE PRESENCE OF AN ALCOHOL OF THE FORMULA R1OH, IN WHICH R1 IS AN ALKYL GROUP HAVING 1-6 CARBON ATOMS, AT TEMPERATURES RANGING FROM ABOUT -10* TO 25*C.; AND (C) RECOVERING A P-NITRO-PHENOL

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