Hiroaki Tada, Kazuaki Teranishi, Yo-ichi Inubushi and Seishiro Ito
A highly endothermic reduction of bis(2-dipyridyl)disulfide to 2-mercaptopyridine by H2O selectively proceeds using TiO2 as a photocatalyst, being significantly enhanced upon incorporation of nanometer-sized Ag particles on TiO2.
R′SH + M0→ R′S–– M1+½ H2 | (2) |
R′SH + M1→ R′S–– M1+ H+ | (3) |
In the case of RSSR, homolytic dissociated adosrption appears to be plausible [eqn. (4)].
RSSR + 2M0→ 2R′S–– M1 | (4) |