| 摘要 |
Novel mono-acylated phenylene diamines of the formula: R2R3 ¦¦ R1-N--N ¦ O=C ¦ R4 wherein R1 and R3 can each be alkyl, cycloalkyl, aryl, aralkyl or alkaryl; R2 can be hydrogen, alkyl, cycloalkyl, aryl, aralkyl or alkaryl; and R4 can be hydrogen, alkyl, phenyl, substituted alkyl or substituted phenyl; are prepared by acylating a phenylene diamine of the formula: R2R3 ¦ R1-N--N ANGLE H wherein R1, R2 and R3 are as previously designated.
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