Process for preparing triarylmethane dyes

Details Process for preparing triarylmethane dyes Process for preparing triarylmethane dyes

1980-06-30

1982-03-23

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260393, 546196, C09B 1110, C07D25154

Patent

active

043212077

ABSTRACT:
A process for the preparation of triphenylmethane compounds by oxidation using as the catalyst a mixture of vanadium and molybdenum in a solvent medium of acetic acid plus a cosolvent.

REFERENCES:
patent: 2121928 (1938-06-01), Basel
patent: 3828071 (1974-08-01), Kast et al.
patent: 4211436 (1980-07-01), Kuhlthau et al.
patent: 4211716 (1980-07-01), Hermann et al.

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