Although N-heterocyclic carbenes (NHCs) have been known as ligands for organometallic
complexes since the 1960s, these carbenes did not attract considerable attention until …

N-Heterocyclic carbenes (NHCs) are cyclic carbenes bearing at least one R-amino
substituent. 1 The most common subclasses of NHCs are represented in Chart 1. Early work …

The chemistry of heterocyclic carbenes has experienced a rapid development over the last
years. In addition to the imidazolin‐2‐ylidenes, a large number of cyclic diaminocarbenes …

Pincer ligands continue to generate interest owing to the unusual properties they impart on
metal centers and consequently on the complexes they are involved in. These ligands and …

The organometallic chemistry of N-heterocyclic carbenes (NHCs) has experienced
explosive development during the last few years, and the topic remains the main focus of …

Shortly after their discovery at the end of the 80s, stable singlet carbenes have been
recognized as excellent ligands for transition metal based catalysts, and as organo-catalysts …

Iron is the most abundant transition metal in Earth, s crust; it is relatively inexpensive, not
very toxic, and environmentally benign. 1 Undoubtedly, due to the involvement in a multitude …

Conspectus The photophysics and photochemistry of transition metal complexes (TMCs)
has long been a hot field of interdisciplinary research. Rich metal-based redox processes …

The continuous growth of N-heterocyclic carbene (NHC) chemistry is a fact that is pointed
out in all the introductions of the publications regarding NHCs that have appeared in the …

It has been almost a decade since sterically demanding bis (arylimino) pyridine ligands,[2, 6-
(ArNdCR) 2C5H3N](1)(Figure 1), were found to impart late transition metals, especially iron …