Preparation of poly-o-hydroxyamides and poly o-mercaptoamides

Details Preparation of poly-o-hydroxyamides and poly o-mercaptoamides Preparation of poly-o-hydroxyamides and poly o-mercaptoamides

1996-08-28

1999-10-26

Kumar, Shailendra

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564133, 564135, 564136, 564139, 564140, 528183, 528184, 528335, 528338, 528339, C07C23102, C08G 6300

Patent

active

059732024

ABSTRACT:
In a process for the preparation of poly-o-hydroxyamides and poly-o-mercaptoamides, a bis-o-aminophenol or a bis-o-aminothiophenol is reacted with a dicarboxylic acid derivative of the following structure: ##STR1## with D=O, S, or NH and where R* is the parent body of the dicarboxylic acid and at least one of the groups R.sup.1 and R.sup.2 is CN or NO.sub.2.

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