The development of catalytic methodologies involving the formation of C–C bonds to enable
the generation of cyclic systems constitutes a field of great relevance in synthetic organic …

In the past decade, synthetic chemists have discovered the outstanding generality and
potential of visible-light-driven photoredox catalysis, which converts visible light into …

Recent progress in the synthesis of benzene and 1, 3‐cyclohexadiene derivatives, and
heterocyclic compounds such as pyridines, pyridones, pyrans, pyrimidine diones, etc, has …

Conspectus Over the last three decades, transition-metal-catalyzed organic transformations
have been shown to be extremely important in organic synthesis. However, most of the …

Metal-catalyzed [2+ 2+ 2] cycloaddition is a powerful tool that allows rapid construction of
functionalized 6-membered carbo-and heterocycles in a single step through an atom …

Arynes, strained cyclic alkynes, and strained cyclic allenes were validated as plausible
intermediates in the 1950s and 1960s. Despite initially being considered mere scientific …

A user-friendly Ni-catalyzed reductive cyclization/carboxylation of unactivated alkyl halides
with CO2 is described. The protocol operates under mild conditions with an excellent …

Ruthenium-catalyzed cycloadditions to form five-, six-, and seven-membered rings are
summarized, including applications in natural product total synthesis. Content is organized …

Organic transformations catalyzed by cyclopentadienyl complexes of Group 9 metals (cobalt,
rhodium and iridium) are the key steps of the total synthesis of various natural products …

Rongalite, also called Rongalit (Rongal-registered trademark of BASF), is sodium
hydroxymethanesulfinate dihydrate, which is represented by the chemical formula …