Azodicarboxylic acid derivatives containing hindered amine moiet

Details Azodicarboxylic acid derivatives containing hindered amine moiet Azodicarboxylic acid derivatives containing hindered amine moiet

1994-09-30

1995-11-28

Wu, Shean

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546188, C07D21136

Patent

active

054709806

ABSTRACT:
The instant invention relates to novel hydrazine derivatives of formula III ##STR1## where R.sub.1 is hydrogen, oxyl, hydroxyl, alkyl, of 2 to 4 carbon atoms substituted by one hydroxyl group, allyl, benzyl, benzyl substituted by one of two alkyl of 1 to 4 carbon atoms or alkanoyl of 1 to 8 carbon atoms, and X is --O-- or --NR.sub.2 -- where R.sub.2 is hydrogen or alkyl. These compounds are useful as intermediates from which to prepare the corresponding azo compounds, which are useful for the stabilization of polymers, particularly unsaturated elastomers, by being grafted thereon.

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