TY - JOUR
T1 - Cerium(IV)-Driven Water Oxidation Catalyzed by a Manganese(V)-Nitrido Complex
AU - Ma, Li
AU - Wang, Qian
AU - Man, Wai-Lun
AU - Kwong, Hoi-Ki
AU - Ko, Chi-Chiu
AU - Lau, Tai-Chu
PY - 2015/2
Y1 - 2015/2
N2 - The study of manganese complexes as water-oxidation catalysts (WOCs) is of great interest because they can serve as models for the oxygen-evolving complex of photosystem II. In most of the reported Mn-based WOCs, manganese exists in the oxidation states III or IV, and the catalysts generally give low turnovers, especially with one-electron oxidants such as CeIV. Now, a different class of Mn-based catalysts, namely manganese(V)–nitrido complexes, were explored. The complex [MnV(N)(CN)4]2− turned out to be an active homogeneous WOC using (NH4)2[Ce(NO3)6] as the terminal oxidant, with a turnover number of higher than 180 and a maximum turnover frequency of 6 min−1. The study suggests that active WOCs may be constructed based on the MnV(N) platform.
AB - The study of manganese complexes as water-oxidation catalysts (WOCs) is of great interest because they can serve as models for the oxygen-evolving complex of photosystem II. In most of the reported Mn-based WOCs, manganese exists in the oxidation states III or IV, and the catalysts generally give low turnovers, especially with one-electron oxidants such as CeIV. Now, a different class of Mn-based catalysts, namely manganese(V)–nitrido complexes, were explored. The complex [MnV(N)(CN)4]2− turned out to be an active homogeneous WOC using (NH4)2[Ce(NO3)6] as the terminal oxidant, with a turnover number of higher than 180 and a maximum turnover frequency of 6 min−1. The study suggests that active WOCs may be constructed based on the MnV(N) platform.
U2 - 10.1002/anie.201500507
DO - 10.1002/anie.201500507
M3 - Journal article
SN - 1433-7851
VL - 54
SP - 5246
EP - 5249
JO - Angewandte Chemie. International Edition
JF - Angewandte Chemie. International Edition
IS - 17
ER -