1-(2-Phenylureylene)imidazoles
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United States of America Patent
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Sep 30, 1980
Issued Date -
N/A
app pub date -
Mar 5, 1979
filing date -
Jan 7, 1977
priority date (Note) -
Expired
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Abstract
2(1-imidazolyl)phenylureylene compounds of the formula: ##STR1## wherein R.sup.2 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.
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