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    METHOD FOR THE DEHYDROGENATION OF TRIISOPROPYL BENZENE AND DIISOPROPYL BENZENE
    1.
    发明专利
    METHOD FOR THE DEHYDROGENATION OF TRIISOPROPYL BENZENE AND DIISOPROPYL BENZENE 未知

    公开(公告)号：MY121881A

    公开(公告)日：2006-02-28

    申请号：MYPI20003996

    申请日：2000-08-30

    Applicant: MITSUI CHEMICALS INC

    Inventor： WATANABE HIROYOSHI ,  MATSUSHITA TATSUMI ,  AOKI SHINOBU ,  NAGAI NAOSHI ,  KUBOYAMA HISAHARU

    IPC: C07C5/367 ,  B01J23/76 ,  B01J23/78 ,  B01J23/94 ,  C07C5/333

    Abstract: AN ECONOMICAL AND INDUSTRIAL METHOD FOR THE DEHYDROGENATION OF TRIISOPROPYL BENZENE CAN BE PROVIDED BY CARRYING OUT THE REACTION EMPLOYING A SOLID CATALYST HAVING AN IRON COMPOUND AND POTASSIUM COMPOUND AS MAJOR COMPONENTS OR AN IRON COMPOUND , POTASSIUM COMPOUND, AND MAGNESIUM COMPOUND AS MAJOR COMPONENTS , AS A DEHYDROGENATING CATALYST FOR PRODUCING DIISOPROPYL ISOPROPENYL BENZENE, ISOPROPYL DIISOPROPENYL BENZENE AND /OR TRIISOPROPENYL BENZENE FROM TRIISOPROPYL BENZENE.IN THE DEHYDROGENATION OF TRIISOPROPYL BENZENE OR DIISOPROPYL BENZENE , BY CARRYING OUT AN OFF-AND-ON REACTION IN WHICH THE ABOVE DESCRIBED SOLID CATALYST IS EMPLOYED AND WITH WHICH A REGENERATION PERIOD WITH STEAM OR OXYGEN OR AIR IS PROVIDED , AN ECONOMICAL AND INDUSTRIAL DEHYDROGENATION METHOD HAVING AN EXTENDED LIFE OF THE CATALYST CAN BE PROVIDED AND WILL HAVE AN INDUSTRIAL SUPERIORITY.

    5.
    发明专利
    未知

    公开(公告)号：DE69517548T2

    公开(公告)日：2001-01-18

    申请号：DE69517548

    申请日：1995-04-21

    Applicant: MITSUI CHEMICALS INC

    Inventor： MOTOYAMA YOSHIO ,  NAGAI NAOSHI ,  ISHITOKU TAKESHI ,  KIHARA NORIAKI

    IPC: C07C239/20

    Abstract: A process for producing a substituted amine of formula (IV) : R NHOR (IV) wherein R is hydrogen, a hydrocarbon group or a heteroatom-containing hydrocarbon group, and R is a hydrocarbon group or a heteroatom-containing hydrocarbon group, which process comprises: (a) reacting a hydroxamic acid of formula (II): R CONHOH (II) wherein R is hydrogen or a hydrocarbon group, in the presence of a base with a reagent capable of introducing a hydrocarbon group or a heteroatom-containing hydrocarbon group onto an oxygen atom and/or a nitrogen atom to form a substituted hydroxamic acid of formula (III): wherein R , R and R are as defined above, and (b) hydrolyzing the substituted hydroxamic acid of formula (III) in the presence of a base or an acid to produce a substituted amine of formula (IV): R NHOR (IV) wherein R and R are as defined above.

    6.
    发明专利
    未知

    公开(公告)号：DE69517548D1

    公开(公告)日：2000-07-27

    申请号：DE69517548

    申请日：1995-04-21

    Applicant: MITSUI CHEMICALS INC

    Inventor： MOTOYAMA YOSHIO ,  NAGAI NAOSHI ,  ISHITOKU TAKESHI ,  KIHARA NORIAKI

    IPC: C07C239/20

    Abstract: A process for producing a substituted amine of formula (IV) : R NHOR (IV) wherein R is hydrogen, a hydrocarbon group or a heteroatom-containing hydrocarbon group, and R is a hydrocarbon group or a heteroatom-containing hydrocarbon group, which process comprises: (a) reacting a hydroxamic acid of formula (II): R CONHOH (II) wherein R is hydrogen or a hydrocarbon group, in the presence of a base with a reagent capable of introducing a hydrocarbon group or a heteroatom-containing hydrocarbon group onto an oxygen atom and/or a nitrogen atom to form a substituted hydroxamic acid of formula (III): wherein R , R and R are as defined above, and (b) hydrolyzing the substituted hydroxamic acid of formula (III) in the presence of a base or an acid to produce a substituted amine of formula (IV): R NHOR (IV) wherein R and R are as defined above.

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