Poly(Ethylene) Glycol as a Green and Reusable Solvent in the Oxidation of Sulfides to Sulfoxides Using NaClO

Nemati, Ali

doi:10.1080/10426500903055204

Phosphorus, Sulfur, and Silicon and the Related Elements

2010

DOI: 10.1080/10426500903055204

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Poly(Ethylene) Glycol as a Green and Reusable Solvent in the Oxidation of Sulfides to Sulfoxides Using NaClO

Ali Nemati

Abstract: This article describes selective oxidation of a range of sulfides to the corresponding sulfoxides in good yields by NaClO in poly(ethylene) glycol as a green and reusable solvent using sulfuric acid as an efficient acid catalyst. The new method compares favorably with previous methods in literature. A separable mixture of two new diastereoisomers is reported.

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Cited by 5 publications

References 29 publications

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A convenient, simple and one-pot synthesis of dibenzoxanthenes and tetrahydrobenzoxanthenes by nanotitania-supported sulfonic acid as an efficient and highly reusable nanocatalyst

Amoozadeh

Rahmani

Hafezi

et al. 2015

Reac Kinet Mech Cat

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Nanotitania-supported sulfonic acid (n-TSA) as a highly powerful solid acid nanocatalyst has been successfully applied for the rapid and green synthesis of dibenzoxanthenes and tetrahydrobenzoxanthenes via one-pot condensation-cyclization reactions of aldehydes with b-naphthol, on the other hand with b-naphthol and 1,3-cyclic diketones. The ease of preparation and handling of the catalyst, operational simplicity, short reaction time, mild reaction conditions, and environmentally benign conditions are the main advantages of these protocols, which led to high yields of products, 70-96 % for dibenzoxanthenes and 65-98 % for tetrahydrobenzoxanthenes. Furthermore, the catalyst could be recycled after a simple work-up, and reused at least five times without substantial reduction in its catalytic activity, confirming the stability of the covalent bonding of acidic centers.

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A convenient, simple and one-pot synthesis of dibenzoxanthenes and tetrahydrobenzoxanthenes by nanotitania-supported sulfonic acid as an efficient and highly reusable nanocatalyst

Amoozadeh

Rahmani

Hafezi

et al. 2015

Reac Kinet Mech Cat

View full text Add to dashboard Cite

show abstract

Nano titania-supported sulfonic acid catalyzed synthesis of α,α′-bis(substituted-benzylidene)cycloalkanones and of their xanthene derivatives under solvent-free conditions

Amoozadeh

Tabrizian

Rahmani

2015

Comptes Rendus Chimie

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Magnetic nanoparticle-supported imidazole tribromide: a green, mild, recyclable and metal-free catalyst for the oxidation of sulfides to sulfoxides in the presence of aqueous hydrogen peroxide

et al. 2015

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Imidazole tribromide immobilized on magnetic nanoparticles as a bromine source was prepared and characterized by X-ray diffraction (XRD), thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FT-IR), energy dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM) techniques. The high catalytic activity of this novel catalyst was investigated in the oxidation of sulfides to sulfoxides using aqueous hydrogen peroxide as an oxidant at room temperature under solvent-free conditions. More importantly, the catalyst could be easily recovered by an external magnet and reused five times without any significant loss of catalytic activity.

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Poly(Ethylene) Glycol as a Green and Reusable Solvent in the Oxidation of Sulfides to Sulfoxides Using NaClO

Cited by 5 publications

References 29 publications

A convenient, simple and one-pot synthesis of dibenzoxanthenes and tetrahydrobenzoxanthenes by nanotitania-supported sulfonic acid as an efficient and highly reusable nanocatalyst

A convenient, simple and one-pot synthesis of dibenzoxanthenes and tetrahydrobenzoxanthenes by nanotitania-supported sulfonic acid as an efficient and highly reusable nanocatalyst

Nano titania-supported sulfonic acid catalyzed synthesis of α,α′-bis(substituted-benzylidene)cycloalkanones and of their xanthene derivatives under solvent-free conditions

Magnetic nanoparticle-supported imidazole tribromide: a green, mild, recyclable and metal-free catalyst for the oxidation of sulfides to sulfoxides in the presence of aqueous hydrogen peroxide

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