Dihydroindoles and indolenine dyestuffs

Details Dihydroindoles and indolenine dyestuffs Dihydroindoles and indolenine dyestuffs

1974-05-01

1976-08-17

Randolph, John D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260240D, 2602406, 2602409, C07D20904

Patent

active

039753794

ABSTRACT:
Dihydroindoles of the formula ##SPC1##
And their use as coupling or condensation components for the manufacture of basic indolenine dyestuffs of the formula ##SPC2##
The dyestuffs are used for dyeing and printing natural are used for dyeing and printing natural and synthetic materials.

REFERENCES:
patent: 2639282 (1953-05-01), Sprague et al.
patent: 3598596 (1971-08-01), Chapman
patent: 3767651 (1973-10-01), Chapman
patent: 3860583 (1975-01-01), Schmitt
Chemical Abstracts vol. 77, pp. 76 to 77 (1972) (abstracts no. 128084n, 128085p and 128089t).

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