Photooxidation of aliphatic sulfides

Sinnreich, D.; Lind, H.; Batzer, Hans

doi:10.1016/s0040-4039(00)71353-0

Cited by 18 publications

(3 citation statements)

References 4 publications

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“…[41][42][43][44] Mechanistic details of CAN-mediated nitration of several polynuclear arenes are available in literature. 23,[41][42][43][44][59][60][61] Interestingly, formation of 7 and 8 in the CAN-mediated transformation of anthracene and its derivatives has not been reported earlier. A logical conclusion here is that the 9-(2-alkylthiomethyl) substituent plays a persuasive role in the generation of 7 and 8.…”

Section: Methodsmentioning

confidence: 99%

“…42,43 In the presence of acetic acid and polyethylene glycol, anthracene reacted with CAN and sodium bromate to give 1-nitro-9,10-anthracenedione. 44 Several reports discuss photooxidation of organic sulfides under a variety of reaction conditions: (i) autooxidation [45][46][47] (ii) electron-transfer sensitization [48][49][50] and (iii) singlet oxygen oxidation. [51][52][53][54] Organic sulfides undergo fast one-electron oxidation reactions because of their relatively low ionization potentials.…”

Section: Introductionmentioning

confidence: 99%

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(Anthracen-9-yl)methyl sulfides as a mechanistic probe for chemical as well as photochemical electron-transfer reactions

Gopalakrishnan¹,

Jacob²,

Moideen³

et al. 2015

Arkivoc

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We have examined the intermediacy of sulfur-centred radical cations in the one-electron oxidation of (anthracen-9-yl)methyl sulfides. Reaction of (anthracen-9-yl)methyl sulfides with ceric ammonium nitrate (CAN) gave predominantly nitration and oxidation products along with products arising through sulfur-centred radical cations in minor amounts. Upon irradiation, (anthracen-9-yl)methyl sulfides underwent efficient intramolecular single electron transfer leading to a variety of products arising through the intermediacy of sulfur-centred radical cations.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

(Anthracen-9-yl)methyl sulfides as a mechanistic probe for chemical as well as photochemical electron-transfer reactions

Gopalakrishnan¹,

Jacob²,

Moideen³

et al. 2015

Arkivoc

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“…UV light below 280 nm has been used for fundamental studies on the mechanism of photo-oxidation of aliphatic disulfides, sulfides and thiols [160][161][162][163] as well as the mechanism of photodissociation of aliphatic disulfides. 164 Robertson and Bandosz 157 used a multilayer TiO 2 -hectorite nanofilm photocatalyst for the photo-oxidation (l , 280 nm) of dibenzothiophene (DBT) in nonpolar organic solution (tetradecane), as a model for diesel fuel.…”

Section: Ultrasound Assisted Odsmentioning

confidence: 99%

An evaluation of desulfurization technologies for sulfur removal from liquid fuels

2012

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Sulfur compounds represent one of the most common impurities present in the crude oil. Sulfur in liquid fuel oil leads directly to the emission of SO 2 and sulfate particulate matter (SPM) that endangers public health and community property; and reduces the life of the engine due to corrosion. Furthermore, the sulfur compounds in the exhaust gases of diesel engines can significantly impair the emission control technology designed to meet NO x and SPM emission standards. The research efforts for developing conventional hydrodesulfurization and alternative desulfurization methods such as selective adsorption, biodesulfurization, oxidation/extraction (oxidative desulfurization), etc. for removing these refractory sulfur compounds from petroleum products are on the rise. Research laboratories and refineries are spending huge amounts of money in finding a viable and feasible solution to reduce sulfur to a concentration of less than 10 mg l 21 . This paper reviews the current status in detail of various desulphurization techniques being studied worldwide. It presents an overview of novel emerging technologies for ultra-deep desulfurization so as to produce ultra-lowsulfur fuels.

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