Manufacture of basic dyes by catalytic oxidation

Details Manufacture of basic dyes by catalytic oxidation Manufacture of basic dyes by catalytic oxidation

1974-07-08

1976-12-28

Horwitz, D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260268R, 26029351, 26029354, 260309, 260310A, 260310R, 26032615, 2603268, 260393, 260465E, 260465H, 260471C, 260510, 260570D, C07C 8750, C07C 8762

Patent

active

040001350

ABSTRACT:
A catalytic process for the oxidation of compounds of the formula ##STR1## where Z to Z.sup.6 are hydrogen or substituents, in which iron tetraazaannulenes are used as catalysts. The process gives good yields when using oxygen for oxidation.

REFERENCES:
patent: 3828071 (1974-08-01), Kast et al.
Ritchie et al., J. Am. Chem. Soc., 84, 2349-2356, (1962).
Lewis et al., J. Am. Chem. Soc. 92, 899-905, (1970).
Pajakoff, Chem. Abstracts 59, 6983c, (1963).
Glavind, Chem. Abstracts 46, 8485a, (1952).

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