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A,-Phenyl-2,3-quinoxalinedicarboximide

A-Phenyl-2,3-quinoxalinedicarboximide (18) gave 3-phenylcarbamoyl-2-quino-xalinecarboxylic acid (19) (NH4OH, H2O, reflux, 4 h %). ... [Pg.320]

Dimethyl-3-(Af-phenylcarbamoyl)-2-quinoxalmecarboxyIic acid (104) underwent dehydration to 6,7-dimethyl-A(-phenyl-2,3-quinoxalinedicarboximide (105) (AC2O, reflux for details, see original) " analogs somewhat simi-... [Pg.337]

See also in sourсe #XX -- [ Pg.337 ]



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