Functionalized 4H‐chromenes represent one class of the most important structural scaffolds
in both synthetic and medicinal chemistry. They often appear in an arrange of biological …

In the area of asymmetric organocatalysis, significant effort has been dedicated during the
last decade to improve the performance of emblematic catalysts such as proline, as well as …

Sustainability in chemical synthesis is a major aspect of the current synthetic endeavors and,
therefore, mimicking the biological process in the laboratory nowadays has the highest …

The oxa-Michael cascade reaction, as an important part of the Michael reaction, has also
been significantly developed over the recent decade. This is because the problem of the …

The oxa-Michael reaction (OMR) offers the most effective and straightforward route to the
synthesis of a wide range of 5-and 6-membered oxygen-containing heterocycles including …

An efficient, solvent-free, and environmentally benign route via mechanochemical means is
described for the synthesis of azo-linked 2-amino-4H-chromene derivatives. The four …

Chiral chromene motifs are important heterocycles in numerous natural products and
bioactive molecules. Among them, flavenes, flavanes, and flavanones, which consist of the 2 …

Chiral halogenated substances have many applications in pharmaceuticals, agrochemicals,
and materials, such as polymers, liquid crystals and as intermediates in synthesis. The …

An organocatalyzed cascade aza-Michael/Aldol reaction of alkynals with N-(2-(1-naphthoyl)
phenyl) benzenesulfonamides has been disclosed. In the presence of a secondary amine …

Recent developments in the synthesis of 4H-and 2H-pyrans as well as structurally related
chromene derivatives that have enabled the enantioselective synthesis of these scaffolds …