Title:
METHOD FOR ALKYLATING SIDE CHAIN OF ALKYL-SUBSTITUTED AROMATIC HYDROCARBON
Document Type and Number:
Japanese Patent JP3548599
Kind Code:
B2
Abstract:
PURPOSE: To provide a new process for alkylating a side-chain alkyl group of an alkyl-substituted aromatic hydrocarbon with an aliphatic monoolefin, especially a process for producing industrially useful 2-methyl-1-(p-tolyl)-butane in high selectivity by butylating the side chain of p-xylene with butene.
CONSTITUTION: An alkyl-substituted aromatic hydrocarbon and an aliphatic monoolefin, especially p-xylene and butene are made to react with each other in an atmosphere essentially free from oxygen, water and carbon dioxide gas in the presence of a catalyst prepared by using a heat-treated hydrotalcite as a carrier, supporting an alkali metal on the carrier by impregnation method using a liquid ammonia solution of an alkali metal and heat-treating the product in vacuum.
More Like This:
Inventors:
Takaya Matsumoto
Shinji Nishikawa
Fumio Kumada
Shinji Nishikawa
Fumio Kumada
Application Number:
JP9911594A
Publication Date:
July 28, 2004
Filing Date:
April 14, 1994
Export Citation:
Assignee:
Shin Nippon Oil Co., Ltd.
International Classes:
B01J27/232; B01J23/00; B01J37/08; C07B61/00; C07C2/72; C07C15/02; (IPC1-7): C07C2/72; C07C15/02
Domestic Patent References:
| JP50093925A | ||||
| JP59222427A | ||||
| JP62209027A | ||||
| JP60251933A |
Attorney, Agent or Firm:
Nobuaki Sakaguchi