Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1983-05-02
1986-10-21
Hines, Robert V.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564411, 564412, C07C 9710
Patent
active
046187146
ABSTRACT:
Preparation of 3,3'- or 3,4'-diaminobenzophenone by nitrating a chloronitrobenzophenone mixture obtained by the Friedel-Crafts reaction between 3- or 4-nitrobenzoyl chloride and chlorobenzene, and catalytically reducing and dechlorinating the resulting chlorodinitrobenzophenone mixture in the presence of a reduction catalyst and a dehydrochlorinating agent.
REFERENCES:
patent: 3213139 (1965-10-01), Chase
patent: 3465038 (1969-09-01), Dolan
patent: 3541151 (1970-11-01), Coombs et al.
Kawashima Saburo
Sugimoto Kenichi
Tanabe Yoshimitsu
Yamaguchi Akihiro
Yamaguchi Keizaburo
Hines Robert V.
Mitsui Toatsu Chemicals Inc.
LandOfFree
Process for preparation of 3,3'- or 3,4'-diaminobenzophenones does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for preparation of 3,3'- or 3,4'-diaminobenzophenones, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparation of 3,3'- or 3,4'-diaminobenzophenones will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1290978