Process for the preparation of aniline derivatives

Details Process for the preparation of aniline derivatives Process for the preparation of aniline derivatives

C - Chemistry, Metallurgy

07

D

260/314.3

C07D 235/32 (2006.01)

Patent

CA 1107284

1 4340 Abstract 2-Benzimidazole carbamate compounds known as useful for combating parasitic infestures are made by an im- proved sequential process including a) thiocyanating o-nitroaniline, b) alkylating the thiocyanate this prepared, c) reducing the nitro group in the product from b), and d) condensing an alkylthio-o-phenylenediamine with an alkyl cyano carbamate (or alkali or alkaline earth metal salt thereof), to provide the desired products.

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