The present invention is concerned with a novel process for the preparation of 3,5-bis(trifluoromethyl)bromobenzene (CAS 328-70-1).
Aniline is made in an efficient manner by reacting bromobenzene with an ammonia source in the presence of a metal oxide.
The dried polymer has a volatile bromobenzene content of about 600 ppm (wt/wt) or less as well as other beneficial properties.
An integrated process of bromobenzene formation, aniline synthesis, metal oxide regeneration, and bromine recycling is also provided.
A process for synthesizing pirfenidone from bromobenzene having less than about 0.15% by weight dibromobenze is disclosed.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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