Process for the nitration of anthraquinones

Details Process for the nitration of anthraquinones Process for the nitration of anthraquinones

1972-10-25

1976-07-06

Myers, Jane S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260383, 260384, C07C 7937

Patent

active

039681300

ABSTRACT:
The invention relates to a process for the manufacture of anthraquinones which are mononitrated in the .alpha.-position, especially 1-nitroanthraquinone, wherein an anthraquinone which possesses at least 1 free .alpha.-position and is optionally substituted in the other .alpha.-position with halogen, preferably chlorine, or with hydroxyl groups, but especially the unsubstituted anthraquinone, is nitrated with concentrated nitric acid without further additives adiabatically, or at temperature above 40.degree.C isothermically, and optionally under pressure.

REFERENCES:
patent: 2302729 (1942-11-01), Whelen
patent: 2874168 (1959-02-01), Graham et al.
patent: 3798243 (1974-03-01), Toth
Beisler et al., J.A.C.S. 44 pp. 2298-2303 (1944).
Reichel et al., as cited in CA. 70, 38877z (1969).

Affiliated with

Also associated with

Rating

Process for the nitration of anthraquinones 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 the nitration of anthraquinones, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the nitration of anthraquinones will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1533185