Process for preparing N,N'-bis(tetrabromophthalimide)

Details Process for preparing N,N'-bis(tetrabromophthalimide) Process for preparing N,N'-bis(tetrabromophthalimide)

1989-10-23

1991-03-05

Ceperley, Mary E.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D40304

Patent

active

049979531

ABSTRACT:
This invention concerns a process for producing N,N'-bis(tetrabromophthalimide) by: forming a reaction mass from at least (i) tetrabromophthalic anhydride, (ii) hydrazine or a hydrazine provider compound, and (iii) concentrated sulfuric acid; and maintaining the so-formed reaction mass at a temperature within the range of from about 100.degree. C. to about 300.degree. C. for a period up to about 20 hours.

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patent: 4894187 (1990-01-01), Bonnet et al.
Chem. Abst., vol. 88, No. 63266d (1977), Japan Kokai 52/92257.
Spatz et al., Industrial and Engineering Chemistry Product Research and Development, vol. 8(4) (1969), pp. 397-398.

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