The search for new heterocyclic compounds with potential bioactivities continues despite the
fact that extensive work has already been done on pyranoquinolones. Researchers …

The quinoline scaffold has become an important construction motif for the development of
new drugs. The quinolones and their heteroannulated derivatives have high importance due …

The Diels–Alder reaction has long been established as an extremely useful procedure in the
toolbox of natural product chemists. It tolerates a wide spectrum of building blocks of …

The present personalized account summarizes various cyclization reactions, including
multicomponent and domino processes, which are directed towards the synthesis of …

The most interesting chemistry published in 2020 on the synthesis of O-and S-six-membered
heterocycles is reviewed. This personal overview is focused on the developments made on …

Natural products are secondary metabolites produced by organisms in nature to provide an
evolutionary advantage. As they are evolved in nature, many have biological activities and …

Significance: Reported is a one-pot procedure for the synthesis of dihydroquinolinones 4
from pyrazolones 1 and anthranilic aldehydes 2. Importantly, the tetracyclic products 4 …