| abstract |
Disclosed is a process for preparation of an aromatic thiol corresponding to the structure n n A-(SH)n n n wherein n A is a substituted or unsubstituted aromatic radical and n is 1, 2, 3, 4, 5 or 6 comprising contacting at a temperature of at least 80° C. an aromatic halide corresponding to the structure n n A-Xm n n wherein n A is the same as above, X is bromine or n iodine and n is 1, 2, 3, 4, 5, or 6 n with thiourea in the presence of nickel metal. |