公开(公告)号：US3775499A

公开(公告)日：1973-11-27

申请号：US3775499D

申请日：1972-05-10

Applicant: LABOFINA SA

Inventor： DEBUS H ,  VAN TONGELEN M ,  CAHEN R

IPC: C07C5/10 ,  C07C5/27 ,  C07C5/367 ,  C07C5/373 ,  C07C15/02 ,  C07C5/24

CPC classification number: C07C15/02 ,  C07C5/10 ,  C07C5/2789 ,  C07C5/2794 ,  C07C5/367 ,  C07C5/373 ,  C07C2521/04 ,  C07C2521/08 ,  C07C2521/12 ,  C07C2523/36 ,  C07C2523/42 ,  C07C2523/44 ,  C07C2523/46 ,  C07C2523/656 ,  C07C2523/755 ,  C07C2527/11 ,  C07C2527/126 ,  C07C2527/133 ,  C07C2529/04 ,  C07C2531/02 ,  C07C13/18

Abstract: A PROCESS FOR THE PRODUCTION OF POLYMETHYLBENZENES FROM ALKYL AROMATIC HYDROCARBONS HAVING AT LEAST ONE ALKYL RADICAL WITH MORE THAN ONE CARBON ATOM, SAID PROCESS COMPRISING HYDROGENATING SAID ALKYL AROMATIC HYDROCARBONS INTO THE CORRESPONDING ALKYLCYCLOALKANES, ISOMERIZING SAID ALKYLCYCLOALKANES IN THE PRESENCE OF FRIEDEL CRAFTS CATALYST TO PROVIDE POLYMETHYLCYCLOHEXANES ISOMERS OF SAID ALKYLCYCLOALKANES AND THEN SUBJECTING SAID

POLYMETHYLCYCLOHEXANES ISOMERS TO A COMBINED DEHYDROGENATION-ISOMERIZATION STEP TO THEREBY OBTAIN POLYMETHYLBENZENES.

公开(公告)号：US3776965A

公开(公告)日：1973-12-04

申请号：US3776965D

申请日：1972-05-10

Applicant: LABOFINA SA ,  COSDEN OIL & CHEM CO

Inventor： DEBUS H ,  DANIELS C ,  VAN TONGELEN M ,  CAHEN R

IPC: C07C5/10 ,  C07C5/27 ,  C07C5/367 ,  C07C5/373 ,  C07C15/02 ,  C07C5/28

CPC classification number: C07C15/02 ,  C07C5/10 ,  C07C5/2789 ,  C07C5/2794 ,  C07C5/367 ,  C07C5/373 ,  C07C2521/04 ,  C07C2521/08 ,  C07C2521/12 ,  C07C2523/36 ,  C07C2523/42 ,  C07C2523/44 ,  C07C2523/46 ,  C07C2523/656 ,  C07C2523/755 ,  C07C2527/11 ,  C07C2527/126 ,  C07C2527/133 ,  C07C2529/04 ,  C07C2531/02 ,  C07C13/18

Abstract: GEM-POLYMETHYLCYCLOHEXANES ARE PRODUCED BY A PROCESS OF CONTACTING CERTAIN ALKYLCYCLOHEXANES UNDER ANHYDROUS CONDITIONS WITH A FRIEDEL-CRAFTS CATALYST AND AN EFFECTIVE AMOUNT OF A PROMOTER FOR THE CATALYST SELECTED FROM HYDROGEN HALIDE, ALKYL HALIDES, OLEFINS AND MIXTURES THEREOF AT TEMPERATURES IN THE RANGE OF 0 TO 70*C. THE CONTACT TIME IS GENERALLY FROM 0.1 TO ABOUT 10 HOURS.

公开(公告)号：US3775495A

公开(公告)日：1973-11-27

申请号：US3775495D

申请日：1972-05-10

Applicant: LABOFINA SA

Inventor： DEBUS H ,  VAN TONGELEN M ,  CAHEN R

IPC: C07C5/10 ,  C07C5/27 ,  C07C5/367 ,  C07C5/373 ,  C07C15/02 ,  C07C5/18

CPC classification number: C07C15/02 ,  C07C5/10 ,  C07C5/2789 ,  C07C5/2794 ,  C07C5/367 ,  C07C5/373 ,  C07C2521/04 ,  C07C2521/08 ,  C07C2521/12 ,  C07C2523/36 ,  C07C2523/42 ,  C07C2523/44 ,  C07C2523/46 ,  C07C2523/656 ,  C07C2523/755 ,  C07C2527/11 ,  C07C2527/126 ,  C07C2527/133 ,  C07C2529/04 ,  C07C2531/02 ,  C07C13/18

Abstract: POLYALKYBENZENES HAVING THE SAME NUMBER OF CARBON ATOMS AS THE FEED CONSISTING OF GEM STRUCTURED POLYALKYLCYCLOHEXANES ARE PRODUCED WITH AN ACIDIC, DIFUNCTIONAL DEHYDROGENATION-ISOMERIZATION CATALYST IN A REACTION ZONE MAINTAINED AT A TEMPERATURE IN THE RANGE OF FROM 200 TO 600*C. AND A PRESSURE NO GREATER THAN 750 P.S.I. A PREFERRED PROCESS INCLUDES THE PRODUCTION OF DURENE FROM GEM-TETROMETHYLCYCLOHEXANES.