Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1984-07-09
1985-12-17
Hollrah, Glennon H.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07C 5022
Patent
active
045591768
ABSTRACT:
The invention describes a process for the production of benzanthrone by reacting anthraquinone with glycerol and/or acrolein, using anthrone as reducing agent.
Benzanthrone is an important intermediate for dyes and is used in particular for the preparation of vat dyes.
REFERENCES:
patent: 4127595 (1978-11-01), Matsuura et al.
patent: 4296043 (1981-10-01), Schroeder
patent: 4311565 (1982-01-01), Bersier et al.
Bersier Jacques
Burli Martin
Herrmann Hans-Ulrich
Plattner Eric
Ciba Geigy AG
Covington Raymond
Hollrah Glennon H.
Kolodny Joseph G.
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