1.1. Interest of Carbocatalysis Many homogeneous and heterogeneous catalysts are based
on transition metals, both noble 1− 3 and base metals. 3− 5 For the sake of sustainability, it …

Heterocycles constitute the integral part of the most of United States food and drug
administration (USFDA) approved drugs. Over the past decade, ionic liquids have emerged …

In this study, a green, simple and efficient method for the preparation of 6-amino-4-(4-
methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1, 4-dihydropyrano [2, 3-c] pyrazoles by means …

Nano-WO 3-supported sulfonic acid [n-WO 3-SO 3 H (n-WSA)] is easily prepared from the
reaction of nano WO 3 with chlorosulfonic acid as sulfonating agent. This new catalyst is …

In this work, some novel sulfonic acid functionalized imidazolium salts (SAFIS), as a new
category of ionic liquids, are synthesized by eco-friendly and simple procedures, and used …

Magnetic core–shell titanium dioxide nanoparticles (Fe3O4@ SiO2@ TiO2) were efficiently
used for the preparation of tetrahydrobenzo [b] pyran derivatives via a one-pot three …

In this work, disulfonic acid imidazolium chloroaluminate {[Dsim] AlCl4} is applied as a new
acidic and heterogeneous catalyst for green, simple and efficient synthesis of 6-amino-4-(4 …

Xanthene and acridine-based heterocyclic compounds find applications in cancer
chemotherapy, biological staining and laser dyes and are known for their antibacterial and …

Novel ionic liquid 1, 3-disulfonic acid imidazolium hydrogen sulfate {[Dsim] HSO4} efficiently
catalyzes the synthesis of 1, 2, 4, 5-tetrasubstituted imidazoles via the one-pot multi …

Potassium fluoride impregnated on clinoptilolite nanoparticles (KF/CP NPs) was
investigated as an efficient solid base catalyst for multicomponent condensation reaction. A …