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    METHOD FOR PRODUCING DRY ETCHING GAS
    2.
    发明申请
    METHOD FOR PRODUCING DRY ETCHING GAS 有权
    生产干燥气体的方法

    公开(公告)号：US20150299088A1

    公开(公告)日：2015-10-22

    申请号：US14436248

    申请日：2013-11-12

    Applicant: DAIKIN INDUSTRIES, LTD.

    Inventor： Shingo NAKAMURA ,  Yuusuke ETOU ,  Tatsuya OHTSUKA ,  Kanako FUKUMOTO ,  Masato NAITOU

    IPC: C07C51/58 ,  C07C17/38 ,  C07C51/64 ,  C07C17/361 ,  C07C41/06

    CPC classification number: C07C51/58 ,  C07C17/361 ,  C07C17/38 ,  C07C17/383 ,  C07C41/06 ,  C07C51/64 ,  C07C19/08 ,  C07C53/50 ,  C07C43/12

    Abstract: Provided is a method for producing fluoromethane and 3,3,3-trifluoro-2-(trifluoromethyl)propanoyl fluoride ((CF3)2CHCOF), which are useful as dry etching gases etc., safely and inexpensively with high purity.According to the method in which 1,1,3,3,3-pentafluoro-2-trifluoromethylpropyl methyl ether is pyrolyzed in a gas phase in the presence of a catalyst, the desired fluoromethane and 3,3,3-trifluoro-2-(trifluoromethyl)propanoyl fluoride can be obtained with high selectivity and high conversion of the starting material by a simple process in which a pyrolysis reaction is performed in a gas phase using the inexpensive starting material.

    Abstract translation: 本发明提供了可以以高纯度安全且廉价地用作干蚀刻气体等的氟甲烷和3,3,3-三氟-2-（三氟甲基）丙酰氟（（CF 3）2 CHCOF）的制造方法。 根据其中1,1,3,3,3-五氟-2-三氟甲基丙基甲基醚在气相中在催化剂存在下热解的方法，所需的氟甲烷和3,3,3-三氟-2- （三氟甲基）丙酰氟可以通过简单的方法以高选择性和高转化率获得，其中使用廉价的原料在气相中进行热解反应。

    Process for the preparation of a halogenoacetyl fluoride and its derivatives
    3.
    发明授权
    Process for the preparation of a halogenoacetyl fluoride and its derivatives 有权
    制备卤代乙酰氟及其衍生物的方法

    公开(公告)号：US08829236B2

    公开(公告)日：2014-09-09

    申请号：US13386637

    申请日：2010-07-07

    Applicant: Laurent Saint-Jalmes ,  Francois Metz

    Inventor： Laurent Saint-Jalmes ,  Francois Metz

    IPC: C07C51/58 ,  C07C53/18 ,  C07C51/64 ,  C07C51/04 ,  C07C51/62

    CPC classification number: C07C51/58 ,  C07C51/04 ,  C07C51/62 ,  C07C51/64 ,  C07C53/18 ,  C07C53/48

    Abstract: The present invention relates to a method for preparing a halogenoacetyl fluoride and the derivatives thereof. The inventive method for preparing a halogenoacetyl fluoride acid is characterized in that said method includes: a step of preparing a halogenoacetyl halide by photo-oxidation of a halogenoethylene compound in conditions such that the transformation rate of the halogenoethylene compound into halogenoacetyl halide is no higher than 80%, producing a reaction mixture essentially including halogenoacetyl halide and the excess halogenoethylene compound; a step of partial fluorination of the mixture obtained by reacting the latter with hydrofluoric acid suitable for obtaining a mixture of halogenoacetyl fluoride and the excess halogenoethylene compound; a step of separating the halogenoacetyl fluoride and the excess halogenoethylene compound. The invention can be used, specifically, for preparing the trichloroacetyl fluoride used as an intermediate species in the production of trifluoroacetic acid.

    Abstract translation: 本发明涉及一种制备卤代乙酰氟及其衍生物的方法。 本发明的制备卤代乙酰氟酸的方法的特征在于所述方法包括：通过卤代乙烯化合物的光氧化制备卤代乙酰卤的步骤，使得卤代乙烯化合物转化为卤代乙酰卤的条件不高于 80％，产生基本上包括卤代乙酰卤和过量卤代乙烯化合物的反应混合物; 通过使后者与适于获得卤代乙酰氟和过量卤代乙烯化合物的混合物的氢氟酸反应获得的混合物的部分氟化步骤; 分离卤代乙酰氟和过量的卤代乙烯化合物的步骤。 本发明可以用于制备三氟乙酸生产中用作中间体的三氯乙酰氟。

    Method for purifying acid chlorides
    4.
    发明授权
    Method for purifying acid chlorides 有权
    酰氯的纯化方法

    公开(公告)号：US06727384B1

    公开(公告)日：2004-04-27

    申请号：US10070762

    申请日：2002-03-12

    Applicant: Ralph Busch ,  Heinz-Josef Kneuper ,  Theodor Weber ,  Winfried Müller ,  Armin Stamm ,  Jochem Henkelmann

    Inventor： Ralph Busch ,  Heinz-Josef Kneuper ,  Theodor Weber ,  Winfried Müller ,  Armin Stamm ,  Jochem Henkelmann

    IPC: C07C5158

    CPC classification number: C07C51/64 ,  C07C53/42

    Abstract: Process for the purification of carbonyl chlorides which have been prepared by reacting carboxylic acids with phosgene or thionyl chloride in the presence of a catalyst adduct, in which the carbonyl chlorides are treated with a hydrohalide of carboxamides of the formula (I) in which R1 is hydrogen or C1- to C3-alkyl; R2 and R3 independently of one another are C1- to C4-alkyl, or R2 and R3 together are a C4- or C5-alkylene chain, and the carbonyl chloride purified in this way is isolated by separation off from the carboxamide hydrohalide phase.

    Abstract translation: 通过使羧酸与光气或亚硫酰氯在催化剂加合物存在下反应制备的羰基氯的方法，其中羰基氯用式（I）的羧酰胺的氢卤化物处理，其中R 1， 1>是氢或C 1至C 3 - 烷基; R 2和R 3彼此独立地为C 1至C 4 - 烷基，或R 2和R 3一起是C 4 - 或C 5-亚烷基链，并且以这种方式纯化的羰基氯 通过与羧酰胺氢卤酸盐相分离而分离。

    Selective chlorination of benzoyl chloride
    6.
    发明授权
    Selective chlorination of benzoyl chloride 失效
    苄氯氯化物的选择性氯化

    公开(公告)号：US4117006A

    公开(公告)日：1978-09-26

    申请号：US806378

    申请日：1977-06-14

    Applicant: Louis Schneider ,  David E. Graham

    Inventor： Louis Schneider ,  David E. Graham

    IPC: C07C51/363 ,  C07C51/58

    CPC classification number: C07C51/64 ,  C07C51/62

    Abstract: The novel process of the invention comprises selectively chlorinating benzoyl chloride in the absence of a solvent to about 7-8% unconverted benzoyl chloride, and recovering the resultant 3-chlorobenzoyl chloride in high yield from the reaction product mixture. A feature of the process is that the ratio of 3-chlorobenzoyl chloride to 2,5-dichlorobenzoyl chloride by-product is maximized.

    PROCESS FOR THE PREPARATION OF A HALOGENOACETYL FLUORIDE AND ITS DERIVATIVES
    10.
    发明申请
    PROCESS FOR THE PREPARATION OF A HALOGENOACETYL FLUORIDE AND ITS DERIVATIVES 有权
    制备卤代甲酰氟及其衍生物的方法

    公开(公告)号：US20120190892A1

    公开(公告)日：2012-07-26

    申请号：US13386637

    申请日：2010-07-07

    Applicant: Laurent Saint-Jalmes ,  Francois Metz

    Inventor： Laurent Saint-Jalmes ,  Francois Metz

    IPC: C07C51/363 ,  C07C53/48

    CPC classification number: C07C51/58 ,  C07C51/04 ,  C07C51/62 ,  C07C51/64 ,  C07C53/18 ,  C07C53/48

    Abstract: The present invention relates to a method for preparing a halogenoacetyl fluoride and the derivatives thereof. The inventive method for preparing a halogenoacetyl fluoride acid is characterised in that said method includes: a step of preparing a halogenoacetyl halide by photo-oxidation of a halogenoethylene compound in conditions such that the transformation rate of the halogenoethylene compound into halogenoacetyl halide is no higher than 80%, producing a reaction mixture essentially including halogenoacetyl halide and the excess halogenoethylene compound; a step of partial fluorination of the mixture obtained by reacting the latter with hydrofluoric acid suitable for obtaining a mixture of halogenoacetyl fluoride and the excess halogenoethylene compound; a step of separating the halogenoacetyl fluoride and the excess halogenoethylene compound. The invention can be used, specifically, for preparing the trichloroacetyl fluoride used as an intermediate species in the production of trifluoroacetic acid.

    Abstract translation: 本发明涉及一种制备卤代乙酰氟及其衍生物的方法。 本发明的制备卤代乙酰氟酸的方法的特征在于所述方法包括：通过卤代乙烯化合物的光氧化制备卤代乙酰卤的步骤，使得卤代乙烯化合物转化为卤代乙酰卤的条件不高于 80％，产生基本上包括卤代乙酰卤和过量卤代乙烯化合物的反应混合物; 通过使后者与适于获得卤代乙酰氟和过量卤代乙烯化合物的混合物的氢氟酸反应获得的混合物的部分氟化步骤; 分离卤代乙酰氟和过量的卤代乙烯化合物的步骤。 本发明可以用于制备三氟乙酸生产中用作中间体的三氯乙酰氟。

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