Oxindole diamines

Details Oxindole diamines Oxindole diamines

1975-09-26

1977-04-05

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 78R, C07D20938

Patent

active

040161730

ABSTRACT:
Oxindole diamines are prepared by a process comprising reacting an isatin derivative with an anilide and a Friedel Crafts catalyst in an inert solvent at a temperature of from 50.degree. to 150.degree. C with subsequent hydrolysis of the reaction product to yield the oxindole diamine. These compounds are useful in preparing polyimide type polymers.

REFERENCES:
patent: 3705869 (1972-12-01), Darmory et al.
Wexler et al., "Chem. Abstracts", vol. 75, p. 5 No. 49654d (1971).
Stolle et al., "Chem. Abstracts", vol. 27, p. 1347 (1933).

Affiliated with

Also associated with

Rating

Oxindole diamines does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Oxindole diamines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oxindole diamines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2265729