Synthesis of 3-(5-nitrocyclohex-1-enyl) acrylic acid and esters thereof
    162.
    发明申请
    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:US20080009651A1

    公开(公告)日:2008-01-10

    申请号:US11824246

    申请日:2007-06-29

    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,条件是至少一个 R 1或R 2 2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R 1和R 2如上定义。

    Preparation of nitro compounds by vapor phase nitration of olefins
    163.
    发明授权
    Preparation of nitro compounds by vapor phase nitration of olefins 失效
    通过气相硝化烯烃制备硝基化合物

    公开(公告)号:US4766257A

    公开(公告)日:1988-08-23

    申请号:US849765

    申请日:1984-09-12

    CPC classification number: C07C201/06

    Abstract: A process for selectively forming nitrohydrocarbon compounds by contacting, at elevated temperature and pressure and in a homogeneous gas phase, an olefinic unsaturated compound having at least three carbon atoms with NO.sub.2 alone or in the presence of oxygen and/or water.

    Abstract translation: 通过在升高的温度和压力下,在均相气相中使具有至少三个碳原子的烯属不饱和化合物与NO 2单独或在氧和/或水的存在下接触来选择性地形成硝基烃化合物的方法。

    Process for forming nitroparaffin
    165.
    发明授权
    Process for forming nitroparaffin 失效
    形成硝基石蜡的方法

    公开(公告)号:US4476336A

    公开(公告)日:1984-10-09

    申请号:US510859

    申请日:1983-07-05

    CPC classification number: C07C201/06

    Abstract: An improved process for forming nitroparaffins by gaseous phase nitration of hydrocarbons higher than methane. The improvement comprises carrying out the nitration in the presence of a small amount of at least one carboxylic acid, preferably acetic acid.

    Abstract translation: 通过高于甲烷的烃的气相硝化形成硝基烷烃的改进方法。 该改进包括在少量至少一种羧酸(优选乙酸)存在下进行硝化。

    Process for producing nitroparaffins
    167.
    发明授权
    Process for producing nitroparaffins 失效
    生产硝酸的方法

    公开(公告)号:US3780115A

    公开(公告)日:1973-12-18

    申请号:US3780115D

    申请日:1972-10-19

    CPC classification number: C07C201/06 Y02P20/582 C07C205/02

    Abstract: THE INVENTION RELATES TO A 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.

    Nitrosation of phenols with nitrogen trioxide
    168.
    发明授权
    Nitrosation of phenols with nitrogen trioxide 失效
    酚类与三氧化硫的硝化反应

    公开(公告)号:US3770834A

    公开(公告)日:1973-11-06

    申请号:US3770834D

    申请日:1970-04-02

    Applicant: HERCULES INC

    Inventor: PROSSER T

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

    Abstract: DISCLOSED IS A PROCESS FOR NITROSATING NITROSATABLE PHENOLIC MATERIAL. NITROGEN TRIOXIDE AND THE PHENOLIC MATERIAL ARE INTRODUCED SIMULTANEOUSLY AT SPECIFIC RATES INTO AN AGITATED, ACIDIC, AQUEOUS MEDIUM ESTABLIXHED AND MAINTAINED IN THE TEMPERATURE RANGE FROM ABOUT -20 TO ABOUT 20* C., AND HAVING AN INITIAL CONCENTRATION OF NITROUS ACID IN A RANGE FROM ANOUT 0 TO ABOUT 1% BY WEIGHT OF THE AQUEOUS MEDIUM. THE INITIAL PH OF THE AQUEOUS MEDIUM IS LESS THAN ABOUT 5, PREFERABLY ABOUT 1, AND COMPRISES WATER AND, DISSOLVED IN THE WATER, ACID MATERIAL SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE STRONG ACIDS LIKE NITRIC ACID AND SULFURIC ACID. THE RATE OF INTRODUCTION OF THE PHENOLIC MATERIAL INTO THE AQUEOUS MEDIUM IS PREFERABLY SUBSTANTIALLY THE RATE AT WHICH THE PHENOLIC MATERIAL IS NITROSATED IN THE AQUEOUS MEDIUM. THE RATE OF INTRODUCTION OF NITROGEN TRIOXIDE INTO THE AQUEOUS MEDIUM IS SUBSTANTIALLY AT THE RATE AT WHICH A SLIGHT STOICHIOMETRIC EXCESS, RELATIVE TO THE PHENOLIC MATERIAL BEING INTRODUCED INTO THE AQUEOUS MEDIUM OF NITROUS ACID IS ESTABLISHED AND MAINTAINED IN THE REACTION MEDIUM. AS REACTION TAKES PLACE NITROSATED PHENOLIC PRODUCT FORMS AND PRECIPITATES. PREFERABLY THE REACTION MIXTURE THAT RESULTS IS MAINTAINED WITH AGITATION IN THE TEMPERATURE RANGE UNTIL THE REACTION IS SUBSTANTIALLY COMPLETE, AND THEN THE PRECIPITATED NITROSATED PHENOLIC PRODUCT IS SEPARATED FROM THE REACTION MIXTURE.

    Process for oxidation of 4-nitroso-m-cresol
    169.
    发明授权
    Process for oxidation of 4-nitroso-m-cresol 失效
    氧化4-硝基-M-结晶的方法

    公开(公告)号:US3761527A

    公开(公告)日:1973-09-25

    申请号:US3761527D

    申请日:1970-06-03

    Inventor: BALDWIN R CHENG M

    CPC classification number: C07C201/06 C07C205/22

    Abstract: The invention provides an oxidation process for converting 4nitroso-m-cresol to the corresponding 4-nitro-m-cresol by reacting the nitroso compound with an oxidizing agent in the presence of a catalyst at reflux temperatures in a reaction solvent solution including lower aliphatic and alicyclic ketones. The mixture thereafter is cooled and the 4-nitro-m-cresol is recovered from the solvent solution.

    Abstract translation: 本发明提供了一种通过在催化剂存在下,在回流温度下使反应溶剂溶液中的亚硝基化合物与氧化剂反应,将4-亚硝基间甲酚转化成相应的4-硝基间甲酚的氧化方法, 脂族和脂环酮。 然后将混合物冷却,从溶剂溶液中回收4-硝基间甲酚。

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