Process for preparing naphtholyene arylimidazol-peri-dicarboxyli

Details Process for preparing naphtholyene arylimidazol-peri-dicarboxyli Process for preparing naphtholyene arylimidazol-peri-dicarboxyli

1973-09-18

1976-01-06

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260281N, 260281A, 8 1B, 8179, C07D47116

Patent

active

039311864

ABSTRACT:
Process for preparing naphthoylene-arylimidazo-peri-dicarboxylic acid-imide-compounds of the formula ##SPC1##
Wherein R.sub.1 is hydrogen, hydroxy or amino, phenyl, alkyl having 1 to 8 carbon atoms, hydroxyalkyl, alkoxyalkyl, amino-alkyl, mono- or dialkylaminoalkyl, hydroxyalkoxyalkyl, alkoxyalkoxyalkyl, carbalkoxyalkyl, carboxylalkyl or phenyl-alkyl having each 1 to 6, preferably 1 to 4 carbon atoms in the alkyl or alkoxy portion and R is hydrogen or halogen, alkyl, alkoxy, carbalkoxy having each 1 to 4 carbon atoms, nitro, cyano, carbonamido, mono- or dialkylcarbonamido or sulfonamido, mono- or dialkylsulfonamido and n represents the integers 1 to 3, in which process naphthalimide-4,5-dicarboxylic acids of the general formula ##SPC2##
Or the anhydride thereof are condensed in an aqueous medium with a diamine of the general formula ##SPC3##
At temperatures of from 80.degree. to 160.degree.C. R.sub.1, R and n having the above meanings.

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