Title:
【発明の名称】1-クロロ-2,4-ジアミノベンゼンの製造方法
Document Type and Number:
Japanese Patent JP2002540092
Kind Code:
A
Abstract:
Disclosed is an improved process for preparing 1-chloro-2,4-diaminobenzene by the selective hydrogenation of 1-chloro-2,4-dinitro-benzene wherein the hydrogenation is carried out in the presence of a modified Raney nickel catalyst containing about 70 to 95 weight percent nickel, about 4 to 10 weight percent aluminum, about 0.1 to 4 weight percent molybdenum, and from 0 to about 20 weight percent cobalt. The 1-chloro-2,4-diaminobenzene is useful as an intermediate for disperse dyes and for color photography.
Inventors:
Merski, robert joseph
Edward Mullins, Edward Tipton
Edward Mullins, Edward Tipton
Application Number:
JP2000606561A
Publication Date:
November 26, 2002
Filing Date:
February 04, 2000
Export Citation:
Assignee:
Eastman Chemical Company
International Classes:
B01J25/02; C07B61/00; C07C209/36; C07C211/52; (IPC1-7): C07C209/36; B01J25/02; C07C211/52
Attorney, Agent or Firm:
Takashi Ishida (4 others)