Said 2,3-dichlorobenzoyl chloride intermediate is useful for preparing lamotrigine.
The present invention also relates to a method for preparing the intermediate 2,3-dichlorobenzoyl chloride, which comprises the synthesis by photochlorination of 2,3-dichlorobenzotrichloride followed by hydrolysis thereof.
The process for the preparation of Lamotrigine comprises cyano-de-halogenation of 2,3-dichloro benzoyl chloride of Formula (IV) with a metal cyanide and a phase transfer catalyst.
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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