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    Sulfur containing fluoroalkyl amines and isocyanates
    4.
    发明公开
    Sulfur containing fluoroalkyl amines and isocyanates 审中-公开
    氟烷基胺和异氰酸酯

    公开(公告)号：EP2662354A2

    公开(公告)日：2013-11-13

    申请号：EP13179255.8

    申请日：2008-12-01

    申请人： E. I. du Pont de Nemours and Company

    发明人： Herzog, Axel, Hans-Joachim ,  Warren, Hollis, Thomas ,  Gonska, Brent, Ryan

    IPC分类号： C07C317/28 ,  C07C331/20

    CPC分类号： C07C315/02 ,  C07C317/28 ,  C07C319/16 ,  C07C319/18 ,  C07C319/20 ,  C07C323/25 ,  C07C331/20 ,  C07D207/27 ,  C07C323/41

    摘要： The present invention provides sulfur containing fluoroalkyl amines represented by the formula Rf-Q-S(O) x -C(H) i (CH 3 ) j -(CH 2 ) z+(i-1) -NHR and isocyanate/isothiocyanate derivatives thereof represented by the formula Rf-Q-S(O) x -C(H) i (CH 3 ) j -(CH 2 ) z+(i-1) -N=C=X 1 wherein R f is chosen from a C 2 -C 12 perfluoroalkyl provided that: i) one fluorine atom of the perfluoroalkyl can be optionally replaced by hydrogen, and/or ii) the perfluoro-alkyl can be optionally interrupted by at least one oxygen, methylene, or ethylene; Q is chosen from the group consisting of a C 2 -C 12 hydrocarbylene optionally interrupted by at least one divalent organic group; x is 1 or 2; z is 0 or 1; i is 1 or 2; j is 0 or 1; provided that i+j=2; R is chosen from H or a C 1 to C 4 alkyl; and X 1 is O or S.

    摘要翻译： 本发明提供由式Rf-QS（O）x -C（H）i（CH 3）j - （CH 2）z +（i-1）-NHR表示的含硫氟烷基胺及其异氰酸酯/异硫氰酸酯衍生物 通过式Rf-QS（O）x -C（H）i（CH 3）j - （CH 2）z +（i-1）-N = C = X 1其中R f选自C 2 -C 12全氟烷基，条件是：i）全氟烷基中的一个氟原子可任选被氢替代，和/或ii）全氟烷基可以任选被至少一个氧，亚甲基或亚乙基所取代; Q选自任选被至少一个二价有机基团间隔的C 2 -C 12亚烃基; x为1或2; z为0或1; 我是1或2; j为0或1; 条件是i + j = 2; R选自H或C 1至C 4烷基; X 1为O或S.

    HIGH-PURITY ISOTHIOCYANATE COMPOUND PREPARATION METHOD FOR INDUSTRIAL PRODUCTION
    6.
    发明公开
    HIGH-PURITY ISOTHIOCYANATE COMPOUND PREPARATION METHOD FOR INDUSTRIAL PRODUCTION 审中-公开

    公开(公告)号：EP3611163A1

    公开(公告)日：2020-02-19

    申请号：EP18756601.3

    申请日：2018-02-27

    申请人： JC (Wuxi) COMPANY, Inc.

    发明人： CHENG, Jingcai ,  GU, Guolin ,  HUANG, Biao

    IPC分类号： C07C331/24 ,  C07C331/22 ,  C07C331/20

    摘要： The present invention provides a high-purity isothiocyanate compound preparation method for industrial production. Specifically, in the method, organic amine and CS2 are used as raw materials to prepare the thiocarbamate, and then desulfurization is carried out, and the high-purity isothiocyanate compound is obtained by using purification, post-processing and other methods. The method in the present invention is suitable for industrial production, is simple in the post-processing, has a high yield rate, and allows the product to have a high purity, and is suitable for the production of the isothiocyanate compound in the pharmaceutical industry.

    ISOTHIOCYANATE PRODUCTION METHODS
    7.
    发明公开
    ISOTHIOCYANATE PRODUCTION METHODS 审中-公开

    公开(公告)号：EP3363785A1

    公开(公告)日：2018-08-22

    申请号：EP18162365.3

    申请日：2014-02-28

    申请人： Asahi Kasei Chemicals Corporation

    发明人： SHINOHATA, Masaaki ,  KOSUGI, Yuji ,  MIYAKE, Nobuhisa

    IPC分类号： C07C331/30 ,  C07C333/06 ,  C07C333/08 ,  C07C333/04 ,  C07C335/08 ,  C07C335/14 ,  C07C331/20 ,  C07C331/22 ,  C07C329/04 ,  C07C335/10 ,  C07C335/16

    摘要： The present invention relates to an isothiocyanate production method using an organic primary amine and thiourea as starting materials; to a composition for transporting and storing an N-substituted O-substituted thiocarbamate that includes an N-substituted O-substituted thiocarbamate and a hydroxy compound, the equivalent weight ratio of hydroxy groups of the hydroxy compound with respect to the carbamate groups of the N-substituted O-substituted thiocarbamate being in the range of 1 to 100; to a composition for transporting and storing a compound with a thioureido group that includes a compound with a thioureido group and a hydroxy compound, the equivalent weight ratio of hydroxy groups of the hydroxy compound with respect to the thioureido groups of the compound with a thioureido group being in the range of 1 to 100; and to an isothiocyanate composition containing an isothiocyanate and a compound with a specific functional group.

    Verfahren zur Herstellung von Alkylisothiocyansäureestern
    10.
    发明公开
    Verfahren zur Herstellung von Alkylisothiocyansäureestern 失效
    制备烷基异硫氰酸酯的方法

    公开(公告)号：EP0446420A1

    公开(公告)日：1991-09-18

    申请号：EP90120855.3

    申请日：1990-10-31

    申请人： Degussa Aktiengesellschaft

    发明人： Giesselmann, Günther, Dr. ,  Günther, Kurt, Dr.

    IPC分类号： C07C331/20

    CPC分类号： C07C331/20

    摘要： Alkylisothiocyansäureester der Formel R-N=C=S lassen sich durch Umsetzung von N-Alkyldithiocarbaminaten mit Wasserstoffperoxid in wäßiger Phase bei 95 bis 130 o C herstellen. Erfindungsgemäß bringt man die wäßrige N-Alkyldithiocarbaminatlösung mit einer 20 bis 40 gew.-%igen wäßrigen Wasserstoffperoxidlösung im Volumenverhältnis von 1 zu 0,8 bis 1 unter Einhaltung eines pH-Wertes von 1,5 bis 4,5 zur Reaktion. Vorzugsweise werden die Lösungen in einen Reaktor versprüht, wobei das gebildete Alkylisothiocyanat dampfförmig abdestilliert und sich die Nebenprodukte enthaltende wäßrige Phase im Reaktor sammelt.
    Durch das erfindungsgemäße Verfahren konnte die Raum-Zeit-Ausbeute signifikant erhöht werden, weil gegenüber dem vorbekannten Verfahren, das bei pH 5 bis 9 erfolgt, viel weniger Schwefel gebildet und damit die Stillstandszeiten für die Reinigung des Reaktors minimiert werden konnten.

    摘要翻译： 式R-N = C = S的烷基异硫氰酸酯可以通过使N-烷基二硫代氨基甲酸酯与过氧化氢在95-130℃的水相中反应来制备 根据本发明，使N-烷基二硫代氨基甲酸钠水溶液与体积比为1:0.8:1的20至40重量％的过氧化氢水溶液同时保持反应的pH为1.5至4.5。 优选地，将溶液喷雾到反应器中，其中形成的蒸气形式的异硫氰酸烷基酯被蒸出，并且含副产物的水相收集在反应器中。 本发明的方法，时空收率可以显着提高，因为与先前已知的方法相比，所述方法在pH5至9发生，形成少得多的硫，因此反应器纯化的停机时间可以最小化。