Facile synthesis and investigation of 1,8-dioxooctahydroxanthene derivatives as corrosion inhibitors for mild steel in hydrochloric acid solution

For the first time, the corrosion inhibitive performance of some 1,8-dioxooctahydroxanthene derivatives is proposed.

Green synthesis of tetrahydrobenzo[b]pyrans, pyrano[2,3-c]pyrazoles and spiro[indoline-3,4′-pyrano[2,3-c]pyrazoles catalyzed by nano-structured diphosphate in water

Preparation of nanostructured diphosphate Na₂CaP₂O₇. Avoiding of any acid catalysts. The prepared catalyst is reusable and eco-friendly. The method is easy and contains simple experimental procedure.

Nano polypropylenimine dendrimer (DAB-PPI-G1): as a novel nano basic-polymer catalyst for one-pot synthesis of 2-amino-2-chromene derivatives

For the first time, a novel nano basic-polymer catalyst for the green synthesis of new 2-amino-2-chromene derivatives, avoiding the use of any metal or acid catalysts, is proposed.

Synthesis of symmetrical N,N′-alkylidene bis-amides catalyzed by silica coated magnetic NiFe2O4 nanoparticle supported polyphosphoric acid (NiFe2O4@SiO2-PPA) and its application toward silver nanoparticle synthesis for electrochemical detection of glucose

For the first time, a new and facile Ag@PM-b-B nanocomposite electrochemical sensor was successfully developed for the detection of glucose. Also, the magnetically recoverable catalyst was easily recycled at least ten times without significant loss of catalytic activity.

Ag@TiO2 nanocomposite; synthesis, characterization and its application as a novel and recyclable catalyst for the one-pot synthesis of benzoxazole derivatives in aqueous media

A Ag@TiO₂ nanocomposite/water as a novel catalytic system is used for the synthesis of benzoxazole derivatives. A shorter reaction time along with high product yield, catalyst stability and recyclability are the merits of this novel protocol.

Selective hydrogen peroxide oxidation of sulfides to sulfones with carboxylated multi-walled carbon nano tubes (MWCNTs-COOH) as heterogeneous and recyclable nanocatalysts under organic solvent-free conditions

This study deals with oxidation of sulfides to sulfones by using a heterogeneous and recyclable nanocatalyst.

Chemoselective hydration of nitriles to amides using hydrated ionic liquid (IL) tetrabutylammonium hydroxide (TBAH) as a green catalyst

A green, chemoselective synthesis of amides, avoiding the use of any base, metal, or Lewis acid catalyst.

Application of 1,4-bis(3-methylimidazolium-1-yl)butane ditribromide [bMImB]·(Br3)2 ionic liquid reagent for selective oxidation of sulfides to sulfoxides

1,4-Bis(3-methylimidazolium-1-yl)butane ditribromide [bMImB]·(Br₃)₂ as an efficient reagent is used for the selective oxidation of dialkyl and alkyl aryl sulfides to the corresponding sulfoxides in high yields under mild conditions.

Silica coated magnetic NiFe2O4 nanoparticle supported phosphomolybdic acid; synthesis, preparation and its application as a heterogeneous and recyclable catalyst for the one-pot synthesis of tri- and tetra-substituted imidazoles under solvent free conditions

A novel heteropolyacid supported on silica coated nickel ferrite nanoparticles (NFS–PMA) was synthesized and used as a green catalyst for one-pot syntheses of tri/tetra-substituted imidazoles. The catalyst could be recycled and reused through application of a magnetic field.