Multicomponent reactions (MCRs) are a valuable tool in diversity‐oriented synthesis. Its
application to privileged structures is gaining relevance in the fields of organic and …

The review covers the results of studies published in the literature on the synthesis of spiro‐
linked heterocycles of the indole, quinoline, benzoxazine, benzothiazine …

In this work, a novel magnetic organic–inorganic hybrid catalyst was fabricated by
encapsulating magnetite@ silica (Fe3O4@ SiO2) nanoparticles with Isinglass protein …

ABSTRACT 2H-pyrans and 4H-pyrans, which are six-membered heterocyclic compounds
containing oxygen, are a class of biologically dynamic natural and synthetic products that …

This study shows an effective approach for the synthesis of spirooxindole‐pyrans and bis‐
spirooxindole‐pyrans derivatives using 5 mol% of [CMMIM][BF4] ionic liquid. The synthesis …

Citric acid was discovered as an efficient catalyst for the rapid synthesis of
pharmacologically important isoniazid azomethines by condensation of aromatic aldehydes …

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 …

In this work, biocatalysis was achieved by the synthesis of 3, 3′-(phenylmethanediyl) bis (4-
hydroxy6-methyl-2 H-pyran-2-one) derivatives (IIIa–IIIh) using Bovine Serum Albumin (BSA) …

Spiro-heterocycles represent an important class of heterocyclic compounds with diverse
area of application. These types of heterocycles are found in nature and also available …