Ammonia → HCID 18943004, compound

Participants

Reaction Conditions

Reaction Steps

The thus obtained bisaminobenzothiazole compound [II] is added to an aqueous solution of an alkali metal hydroxide such as potassium hydroxide or sodium hydroxide in an inert gas atomosphere at a temperature of about 110° to about 130° C., and then the mixture is slowly heated to about 260° C. to conduct reaction until generation of ammonia is ceased. Then, the temperature is lowered down to about 200° C. After addition of water thereto, the reaction mixture is cooled down to room temperature. Then, an aqueous dilute solution of an inorganic acid such as a concentrated hydrochloric acid is added to the reaction mixture to make pH 6, and then glacial acetic acid is added thereto to obtain a bisaminothiophenol compound [I] as precipitates.

Provenance & Evidence