Process for the preparation of naphthalene-1,8-dicarboximides

Details Process for the preparation of naphthalene-1,8-dicarboximides Process for the preparation of naphthalene-1,8-dicarboximides

1988-06-09

1990-01-09

Berch, Mark L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 99, 546100, C07D22114

Patent

active

048929506

ABSTRACT:
Process for the preparation of naphthalene-1,8-dicarboximide which is optionally substituted in the naphthalene ring, characterized in that naphthalene-1,8-dicarboxylic anhydride which is optionally substituted in the naphthalene ring is reacted with an ammonium salt in an aqueous medium at a pH near to the neutral point, the reaction mixture is then acidified to a pH of 1 to 4 and the pH is subsequently adjusted to a value near to the neutral point.

REFERENCES:
patent: 3929771 (1975-12-01), Austin
patent: 4007192 (1977-02-01), Fuchs

Affiliated with

Also associated with

Rating

Process for the preparation of naphthalene-1,8-dicarboximides does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of naphthalene-1,8-dicarboximides, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of naphthalene-1,8-dicarboximides will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-146130