Chromenes and 2H‐Chromenes are vital components of natural products, pharmaceuticals,
and agrochemicals that have captured the attention of researchers worldwide. These …

A highly efficient, convenient and ecofriendly approach to access highly functionalized 2H‐
chromenes via intramolecular aldehyde alkyne metathesis reaction was established starting …

Synthesis of coumarins via allylic oxidation of 2H-chromenes using the Fe 3 O 4 magnetic
nanoparticles (MNPs) in combination with tert‑butyl hydroperoxide (TBHP) as an oxidant is …

We introduce a method to transform toxic hexavalent chromium (Cr (VI)) into bio‐compatible
trivalent chromium (Cr (III)) during quinoxaline synthesis from alkynes or alkenes. Using …

This chapter covers the most recent advances on the synthesis of O-and S-6-membered
heterocycles reported during 2022. This personal overview is focused on the new …