Donor and donor–donor carbenes are two important kinds of carbenes, which have
experienced tremendous growth in the past two decades. This review provides a …

Three-and four-membered rings, widespread motifs in nature and medicinal chemistry, have
fascinated chemists ever since their discovery. However, due to energetic considerations …

This review highlights key reactivities relying on C–C bond cleavages of cyclopropenes.
Metal-catalyzed and metal-free transformations are covered in reactions involving direct ring …

Metal carbenes usually possess versatile reactivities that are controlled by the presence of
both the metals and the ligands. Diazo compounds are commonly used for the generation of …

By reviewing the recent progress on the elucidation of the structure of gold carbenes and the
definitions of metal carbenes and carbenoids, we recommend to use the term gold carbene …

This critical review discusses recent developments in the field of cyclopropene chemistry.
Although several excellent reviews that mainly focused on the thermolysis and pyrolysis as …

Enaminones are well known as platform building blocks in organic synthesis. It can be
transformed in the form of diverse cascade reactions to build new chemical bonds by means …

Conspectus Activation of unsaturated carbon–carbon bonds by means of transition metal
catalysts is an exceptionally active research field in organic synthesis. In this context, due to …

Gold-catalyzed reactions, which have been widely explored over the past several years, are
powerful tools in organic synthesis to access complex molecular frameworks, and some …

A new strategy for the catalytic synthesis of substituted 1 H-indenes via metalloradical
activation of o-cinnamyl N-tosyl hydrazones is presented, taking advantage of the intrinsic …