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    Low molecular weight complexes of lactams and polyhydroxy aromatic compounds
    11.
    发明授权
    Low molecular weight complexes of lactams and polyhydroxy aromatic compounds 失效
    内酰胺和多羟基芳族化合物的低分子量复合物

    公开(公告)号：US3988318A

    公开(公告)日：1976-10-26

    申请号：US513875

    申请日：1974-10-10

    Applicant: Joseph P. Copes ,  David I. Randall

    Inventor： Joseph P. Copes ,  David I. Randall

    IPC: C07D201/14 ,  C07D207/26 ,  C07D207/267 ,  C07D207/24 ,  C07D211/06

    CPC classification number: C07D207/267 ,  C07D201/14

    Abstract: A low molecular weight complex of a lactam and a hydroxy phenolic compound having the formula: ##SPC1##Wherein n is an integer of 3 to 5; W is hydrogen or alkyl having from 1 to 8 carbon atoms including cycloalkyl substituents; each R or R.sub.2 is alkoxy of from 1 to 4 carbon atoms, hydrogen, halogen, hydroxyl, nitro, cyano, carboxylamino, alkylhydroxy having from 1 to 4 carbon atoms or alkyl having from 1 to 10 carbon atoms, and wherein R.sub.2 can also be alaninyl or a hydroxy benzyl radical having the formula ##SPC2##Where R' is hydroxyl, cyano, alkyl having from 1 to 6 carbon atoms, hydrogen or halogen and wherein at least one R or R.sub.2 is hydroxy when R.sub.2 is other than a hydroxy benzyl radical.

    Abstract translation: 具有下式的内酰胺和羟基酚类化合物的低分子量复合物：

    Process for preparing lactam complexes
    12.
    发明授权
    Process for preparing lactam complexes 失效
    制备LACTAM复合物的方法

    公开(公告)号：US3828028A

    公开(公告)日：1974-08-06

    申请号：US24700972

    申请日：1972-04-24

    Applicant: UBE INDUSTRIES

    Inventor： UCHIDA I ,  MASAKI M ,  FIKUI K

    IPC: C07D201/14 ,  C07D41/06

    CPC classification number: C07D201/14

    Abstract: AN IMPROVED PROCESS FOR PRODUCING A LACTAM COMPLEX WHICH MAY BE READILY CONVERTED TO A CORRESPONDING LACTAM FROM AN ALICYCLIC KETOXIME COMPLEX BY REACTING SAID KETOXIME COMPLEX WITH A LACTIME-O-SULFONIC ACID METAL COMPOUND, AS A REARRANGEMENT REAGENT, OF THE FOLLOWING FORMULA (2)

    (-O-SO2-O-C
    WHEREIN R1 IS AN ALKYLENE GROUP SUBSTITUTED ALKYLENE GROUP HAVING 3 TO 11 CARBON ATOMS IN THE MAIN CHAIN, M IS A METAL ATOM SELECTED FROM METALS OF GOUPS 11B, IIIA, IV AND VA OF THE PERIODIC TABLE, X IS A HALOGEN ATOM, N IS THE MAXIMUM VALENCY OF M AND IS A POSITIVE INTEGER OF 2 TO 5, AND P IS EQUAL TO N OR A POSITIVE INTEGER SMALLER THAN N.

    Method for Catalytic Hydrogenation Purification of Lactam Containing Chlorolactam Impurities
    15.
    发明申请
    Method for Catalytic Hydrogenation Purification of Lactam Containing Chlorolactam Impurities 审中-公开
    含有氯内酰胺杂质的内酰胺的催化氢化纯化方法

    公开(公告)号：US20080071081A1

    公开(公告)日：2008-03-20

    申请号：US11632339

    申请日：2005-07-12

    Applicant: Eric Lacroix ,  Serge Hub ,  Philippe Bonnet ,  Michel Devic

    Inventor： Eric Lacroix ,  Serge Hub ,  Philippe Bonnet ,  Michel Devic

    IPC: C07D225/00

    CPC classification number: C07D201/14 ,  C07D201/16

    Abstract: The invention concerns a method for purifying cyclic lactams containing 6 to 12 carbon atoms and containing chlorolactams as impurities, by hydrogenation reaction in the presence of a metal catalyst, a solvent and a compound having a radical —NH2, —NH— or —N

    Abstract translation: 本发明涉及一种在金属催化剂，溶剂和具有自由基-NH 2的化合物的存在下，通过氢化反应来纯化含有6至12个碳原子的环状内酰胺并含有氯内酰胺作为杂质的方法， ，-NH-或-NH-基团是在氢化反应期间产生的HCl捕获氨基的溶剂，有机溶剂是能够溶解通过氨基捕获HCl形成的胺化盐酸盐的溶剂; 以摩尔数表示的以百摩尔表示的以百摩尔表示的氯内酰胺形式的基本有机氯的百分比表示的摩尔比为至少0.5。

    Catalyst for the preparation of polylactams
    16.
    发明授权
    Catalyst for the preparation of polylactams 失效
    用于制备聚内酰胺的催化剂

    公开(公告)号：US4349460A

    公开(公告)日：1982-09-14

    申请号：US246974

    申请日：1981-03-24

    Applicant: Werner Hartmann

    Inventor： Werner Hartmann

    IPC: C08G69/00 ,  C07D201/14 ,  C07D225/02 ,  C08G69/14 ,  C08G69/20 ,  C08F4/08

    CPC classification number: C08G69/20 ,  C07D201/14 ,  C07D225/02

    Abstract: Disclosed are catalysts for the polymerization of higher lactam monomers. The catalysts comprise an essentially homogenic binary mixture of lauric-lactam and a salt of lauric-lactam.The inventive catalyst can be stored at room temperature without making special provisions to avoid any access of air and moisture.

    Abstract translation: 公开了用于高级内酰胺单体聚合的催化剂。 催化剂包含月桂酸 - 内酰胺和月桂酸 - 内酰胺的盐的基本均匀的二元混合物。 本发明的催化剂可以在室温下储存，而无需特别规定，以避免空气和水分的进入。

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