In situ synthesis of carbon nanotube-encapsulated cobalt nanoparticles by a novel and simple chemical treatment process: efficient and green catalysts for the Heck reaction

In this study, we present a novel, fast and easy technique for the synthesis of metal nanoparticles supported onto the internal surface of multi-walled CNTs; these CNT-encapsulated nanoparticles as heterogeneous, efficient, inexpensive and green catalysts efficiently promote the Heck cross-coupling of a large library of functional substrates under mild and sustainable conditions.

Novel triazole-modified chitosan@nickel nanoparticles: efficient and recoverable catalysts for Suzuki reaction

The synthesis of triazole-modified chitosan@nickel catalyst through the click reaction of azide-functionalized chitosan with an alkynated imino-thiophene ligand for Suzuki–Miyaura coupling reactions.

K2FeZrP3O12 as an Efficient Catalyst for Friedel–Crafts Benzylation under Solvent-Free Conditions

K2FeZrP3O12 was prepared by sol-gel method and used as a mild and efficient solid acid catalyst for Friedel-Crafts benzylation of various arenes with benzyl bromide under solvent-free conditions. The method is green and has high yields.

Regioselective Heck reaction catalyzed by Pd nanoparticles immobilized on DNA-modified MWCNTs

This is the first report of regioselective Heck reaction of aryl iodides with 2,3-dihydrofuran using heterogonous nanocatalyst.

A click strategy for the immobilization of palladium nanoparticles onto silica: efficient and recyclable catalysts for carbon–carbon bond formation under mild reaction conditions

The synthesis of silica-grafted palladium catalyst through “click” reaction of azide-functionalized silica with methylpropargylimidazolium bromide, for Heck and Suzuki–Miyaura coupling reactions.

A comparative study of the catalytic activity of Co- and CoFe2O4-NPs in C–N and C–O bond formation: synthesis of benzimidazoles and benzoxazoles from o-haloanilides

Herein, new methods and a comparison of the results for dehalogenative intramolecular C–X bond formation using two inexpensive and efficient catalysts are reported.

Nicotine-derived ammonium salts as highly efficient catalysts for chemical fixation of carbon dioxide into cyclic carbonates under solvent-free conditions

Ammonium salts based on nicotine proved to be highly efficient and recyclable catalysts for the synthesis of cyclic carbonates from epoxides and CO₂ without the utilization of any organic solvent and any additives.

Green, efficient and large-scale synthesis of benzimidazoles, benzoxazoles and benzothiazoles derivatives using ligand-free cobalt-nanoparticles: as potential anti-estrogen breast cancer agents, and study of their interactions with estrogen receptor by molecular docking

A facile and high yielding method for the synthesis of 2-aryl benzoxazoles, benzimidazole and benzothiazoles is reported employing cobalt oxide nanoparticles.

Silica grafted ammonium salts based on DABCO as heterogeneous catalysts for cyclic carbonate synthesis from carbon dioxide and epoxides

DABCO based ammonium salts immobilized on functionalized silica proved to be an effective heterogeneous catalyst for the synthesis of cyclic carbonate from epoxide and CO₂ without the utilization of any organic solvent and any additives.