公开(公告)号：CA1016191A

公开(公告)日：1977-08-23

申请号：CA188848

申请日：1973-12-24

Applicant: MITSUI PETROCHEMICAL IND

Inventor： TANIGUCHI KATSUO ,  MIYAMOTO SHIZUNORI ,  MATSUOKA HIDETO

IPC: B01J23/26 ,  B01J23/36 ,  C07C5/41 ,  C07C15/24

Abstract: A process for preparing dimethyl naphthalenes, which comprises heating a compound, such as methyl-4-(p-tolyl) butane, methyl-4-(p-tolyl)butene or methyl-4-(p-tolyl)butadiene, in the presence of a cyclization-dehydrogenation catalyst.

公开(公告)号：DE2364688A1

公开(公告)日：1974-07-11

申请号：DE2364688

申请日：1973-12-27

Applicant: MITSUI PETROCHEMICAL IND

Inventor： TANIGUCHI KATSUO ,  MIYAMOTO SHIZUNORI ,  MATSUOKA HIDETO ,  OHTAKE HIROSHIMA

IPC: B01J23/26 ,  B01J23/36 ,  C07C5/41 ,  C07C15/24 ,  B01J11/32

Abstract: A process for preparing dimethyl naphthalenes, which comprises heating a compound, such as methyl-4-(p-tolyl) butane, methyl-4-(p-tolyl)butene or methyl-4-(p-tolyl)butadiene, in the presence of a cyclization-dehydrogenation catalyst.