4-氯苯基硫脲 、
磺酰氯 在
氯苯 、
6-Chloro-1,3-benzothiazol-3-ium-2-amine;chloride 作用下,
以
氯苯 为溶剂,
反应 3.0h,
以146.3 parts of 2-amino-6-chlorobenzothiazole containing about 85% of pure product were obtained (=124.4 parts of 100% product, 67.4% of th.)的产率得到2-氨基-6-氯苯并噻唑