High-valent metal–oxo species with multiply-bonded M–O groups have been proposed as
key intermediates in many biological and abiological catalytic oxidation reactions. These …

The oxygen reduction reaction (ORR) is a key component of biological processes and
energy technologies. This Review provides a comprehensive report of soluble molecular …

Heterogeneous catalysis in water has not been explored beyond certain advantages such
as recyclability and recovery of the catalysts from the reaction medium. Moreover, poor yield …

Nonheme iron enzymes generate powerful and versatile oxidants that perform a wide range
of oxidation reactions, including the functionalization of inert C− H bonds, which is a major …

TAML activators of peroxides are iron (III) complexes. The ligation by four deprotonated
amide nitrogens in macrocyclic motifs is the signature of TAMLs where the macrocyclic …

There are mechanistic dichotomies with regard to the formation, electronic structures and
reaction mechanisms of metal–oxygen intermediates, since these metal–oxygen species …

The development of active water oxidation catalysts is critical to achieve high efficiency in
overall water splitting. Recently, sub-10 nm-sized monodispersed partially oxidized …

Electrochemical water splitting is a promising means to produce eco‐friendly hydrogen
fuels. Inspired by the Mn4CaO5 cluster in nature, substantial works have been performed to …

Metalloenzymes utilize inexpensive and earth-abundant transition metal ions as important
co-factors to enable binding of a dioxygen molecule so that it can be used in various …

Redox inactive Lewis acidic cations are thought to facilitate the reactivity of metalloenzymes
and their synthetic analogues by tuning the redox potential and electronic structure of the …