| 摘要 |
Substituted benzotrichlorides are prepared by a process which comprises the steps of:… (a) reacting a substituted benzaldehyde with a compound having the formula HS-(CH2)n - SH where n has the value 2 or 3, in the presence of an acid;… (b) reacting the product of step (a) with a chlorinating agent to form a substituted benzotrichloride. |
