Process for preparing lower lactams from allylic amine substrates
    32.
    发明授权
    Process for preparing lower lactams from allylic amine substrates 失效
    从烯丙基胺底物制备低级内酰胺的方法

    公开(公告)号:US4111952A

    公开(公告)日:1978-09-05

    申请号:US745018

    申请日:1976-11-26

    Inventor: John F. Knifton

    CPC classification number: C07D201/02

    Abstract: This invention concerns processes for preparing cyclic, 5-membered ring, lactams through the carbonylation of allylic substrates in the presence of rhodium catalysts.

    Abstract translation: 本发明涉及在铑催化剂存在下通过烯丙基底物的羰基化制备环状5元环,内酰胺的方法。

    Process for the preparation of epsilon-caprolactam
    37.
    发明授权
    Process for the preparation of epsilon-caprolactam 失效
    制备EPSILON-CAPROLACTAM的方法

    公开(公告)号:US3560484A

    公开(公告)日:1971-02-02

    申请号:US83417369

    申请日:1969-06-17

    Applicant: TEIJIN LTD

    CPC classification number: C07D201/02

    Abstract: CAPROLACTAM IS PREPARED IN A SINGLE STEP WITHOUT FORMATION OF BY-PRODUCT AMMONIUM SULFATE BY CONTACTING 2-NITROCYCLOHEXANONE AND/OR 2-NITROCYCLOHEXEN-1-O1 WITH HYDROGEN AT A TEMPERATURE RANGING FROM 150* TO 300* C. IN THE PRESENCE OF A LIQUID MEDIUM SUCH AS WATER, ALCOHOLS, ETHERS, BENZENE OR MIXTURES THEREOF AND OF AN ACTIVE HYDROGENATION CATALYST, PERFERABLY IN THE FURTHER PRESENCE OF A NITROGEN-CONTAINING BASIC SUBSTANCE SUCH AS AMMONIA. THIS INVENTION RELATS TO A NOVEL PROCESS FOR THE PREPARATION OF E-CAPROLACTAM.

    CATALYTIC DEAMINATION FOR CARPROLACTAM PRODUCTION
    39.
    发明申请
    CATALYTIC DEAMINATION FOR CARPROLACTAM PRODUCTION 审中-公开
    卡培兰生产的催化灭活

    公开(公告)号:WO2008103366A3

    公开(公告)日:2008-12-24

    申请号:PCT/US2008002202

    申请日:2008-02-20

    Inventor: FROST JOHN W

    CPC classification number: C07D201/00 C07D201/02 C07D201/08 Y02P20/52

    Abstract: Catalytic processes for preparing caprolactam, pipecolinic acid, and their derivatives, from lysine or alpha-amino-epsilon-caprolactam starting materials, and products produced thereby. A process for preparing caprolactam or a derivative thereof, the process comprising contacting a reactant comprising lysine or alpha aminocaprolactam with a catalyst and a gas comprising hydrogen gas, in the presence of a solvent. The catalyst may be provided on a support material, such as a transition metal.

    Abstract translation: 从赖氨酸或α-氨基-ε-己内酰胺起始原料制备己内酰胺,哌可啶酸及其衍生物的催化方法,以及由此产生的产物。 一种制备己内酰胺或其衍生物的方法,该方法包括在溶剂存在下使包含赖氨酸或α-氨基己内酰胺的反应物与催化剂和包含氢气的气体接触。 催化剂可以设置在载体材料如过渡金属上。

    METHOD FOR THE JOINT PRODUCTION OF A CYCLIC LACTAM AND A CYCLIC AMINE
    40.
    发明申请
    METHOD FOR THE JOINT PRODUCTION OF A CYCLIC LACTAM AND A CYCLIC AMINE 审中-公开
    PROCESS FOR A环内酰胺的制备与环状胺

    公开(公告)号:WO00017168A1

    公开(公告)日:2000-03-30

    申请号:PCT/EP1999/006690

    申请日:1999-09-10

    CPC classification number: C07D201/02 C07D295/023

    Abstract: The invention relates to a method for the joint production of a cyclic lactam and a cyclic amine by reacting an aliphatic alpha, omega diamine in the gas phase with water and in the presence of a heterogeneous catalyst.

    Abstract translation: 一种用于环状内酰胺的制备联合并且通过在非均相催化剂的存在下在气相中的脂族α,ω-二胺与水反应的环状胺的过程。

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