1-(2-Phenylureylene)imidazoles

摘要

2(1-imidazolyl)phenylureylene compounds of the formula: <IMAGE> wherein R2 is hydrogen or a radical bonded to the nitrogen by a carbon to nitrogen linkage and selected from the group consisting of aliphatic, cycloaliphatic, phenyl, substituted phenyl, fused bicyclic aryl, and monocyclic aryl substituted aliphatic groups are intermediates for the preparation of 4-substituted amino imidazo[1,2-a]quinoxalines having immunosuppressant activity.