Diimidazopyrazines and tetracarboxamidopyrazines

Details Diimidazopyrazines and tetracarboxamidopyrazines Diimidazopyrazines and tetracarboxamidopyrazines

1974-02-20

1976-05-25

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

25230125, 260250B, 260250R, 260250BN, C07D24126, C07D241250

Patent

active

039592774

ABSTRACT:
Diimidazopyrazines of the formula: ##SPC1##
Wherein R.sup.1 and R.sup.2 are selected from the group consisting of lower alkyl and aryl of 6 to 12 carbons which may be optionally substituted are described. These compounds are useful as brightening agents. They are prepared from tetracarboxamidopyrazines of the formula: ##SPC2##
Wherein the R's are as specified above for R.sup.1 and R.sup.2.

REFERENCES:
patent: 3017412 (1962-01-01), Daglish
patent: 3369018 (1968-02-01), Giovanoel
patent: 3657231 (1972-04-01), Booth
patent: 3660397 (1972-05-01), Jones et al.

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