| 摘要 |
The invention comprises 6-chlorobenzisothiazolone (a bactericide) and its preparation by (a) reacting a 2-halomercapto -4- chlorobenzoyl halide with ammonia, (b) ring closing a 2-halomercapto -4- chlorobenzamide, or (c) treating 4, 41-dichloro-2, 21-dithiosalicylic acid diamide with a dilute aqueous base, followed by treatment with acid. |
