Lactones of the benzaxanthere series and dye-forming components

Details Lactones of the benzaxanthere series and dye-forming components Lactones of the benzaxanthere series and dye-forming components

1974-01-24

1976-03-23

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260281G, 260289K, 260307A, 260326A, 260326R, 260326N, 260517, 8 1D, 8 7, 8 25R, 8 79, 427144, C07D49122

Patent

active

039460177

ABSTRACT:
Lactones of the benzazaxanthene series based on 4-dialkylaminobenzoic acid compounds and homophthalic acid imides. The new lactones are eminently suitable as dye-forming components in the red range for pressure-sensitive recording material.

REFERENCES:
patent: 3822270 (1974-07-01), Reynolds
Gove et al., "Chemistry of Natural and Synthetic Colouring Matters," 1962 p. 22cf.

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