Reduction of some sulfides and ethers with aromatic rings by electrochemically generated solvated electrons.

スポンサーリンク

概要

• 論文の詳細を見る

• The reduction of some sulfides and ethers has been investigated in 0.5 M LiCl–HMPA solutions with and without alcohol (methanol, ethanol, and 2-propanol). Diphenyl sulfide underwent cleavage to produce benzene as the main product. The hydrogenated products of benzene have been obtained in 35 and 50 mol % alcohol solutions, and the increased dependence on ethanol (<I>i.e.</I>, H<SUP>+</SUP>) concentrations in the solutions has been established. The cleavage reaction was affected by the ease of α-hydrogen abstraction from the alcohol. The cleavage reaction has been elucidated as proceeding <I>via</I> a one-electron transfer mechanism, while the hydrogenation proceeded <I>via</I> a two-electron transfer mechanism. The estimation of current efficiencies supports this mechanism. Hexyl phenyl sulfide cleaved in the manner similar to that for diphenyl sulfide with a current efficiency of about 80% whereas only the hydrogenated products were obtained from benzo[<I>b</I>]thiophene and dibenzothiophene. Fission of the C–S bond of tetrahydrothiophene has been achieved by this method. Some ethers examined exhibited <I>approx.</I> the same behavior as the corresponding sulfides.

• 公益社団法人 日本化学会の論文

著者

• Miyake Mikio

  Department Of Surgery Tamano Mitsui Hospital

• NAKAYAMA Yoshihiro

  Department of Cardiovascular Surgery, Kumamoto Central Hospital

• Nomura Masakatsu

  Department Of Applied Chemistry Faculty Of Engineering Osaka University

• Kikkawa Shoichi

  Department of Applied Chemistry, Faculty of Engineering, Osaka University

関連論文

• Iridium-Catalyzed Reaction of 1-Naphthols, N-(1-Naphthyl)benzenesulfonamides, and Salicylaldehyde with Internal Alkynes
• Palladium-Catalyzed Cross-Coupling of Benzyl Ketones and α,β-Unsaturated Carbonyl and Phenolic Compounds with ο-Dibromobenzenes to Produce Cyclic Products
• Mulple Arylation of Phenols around the Oxygen under Palladium Catalysis
• Iridium-Catalyzed Regioselective Reaction of 1-Naphthols with Alkynes at the peri-Position
• Regioselective Arylation Reactions of Bipheny1-2-ols, Naphthols, and Benzylic Compounds with Aryl Halides under Palladium Catalysis
• Palladium-Catalyzed Arylation of 2,6-Di-tert-butylphenol with Aryl Bromides to Produce 1,1'-Biphenyl-4-ol Derivatives
• Palladium-Catalyzed Arylation of Azole Compounds with Aryl Halides in the Presence of Alkali Metal Carbonates and the Use of Copper Iodide in the Reaction
• Palladium-Catalyzed Oxidative Cross-Coupling of 2-Phenylphenols with Alkenes
• Palladium-Catalyzed Reaction of Aryl Bromides with Dialkylacetylenes to Produce Allenic Compounds
• Palladium-Catalyzed Coupling Reaction of Salicylaldehydes with Aryl Iodides via Cleavage of the Aldehyde C-H Bond
• Solubilization of Meso-Carbon Materials by Butylation with Dibutylzinc and Butyl Iodide
• Hydrogenation of Biphenyl Using a Hydrogen Storage Alloy as a Hydrogenation Reagent
• Hydrogenation of Biphenyls over the Hydrogen Storage Alloy MmNi_Co_Al_H_4
• Gas-sensors with high selectivity using a biological catalytic system
• Multiple Gastric Carcinoids and Pituitary Adenoma in Type A Gastritis
• One-Stage Thoracic Aortic Aneurysm Treatment and Coronary Artery Bypass Grafting
• Long-Term Results of Root Reconstruction Using the Carrel Patch
• In Situ Right Internal Thoracic Artery Graft for Revascularization of Circumflex Artery : Early results and Long-term Angiographic Follow Up
• Fluorescent Property of Bulk-and Nanocrystals of Cyanide-bridged Eu(III)Co(III) Heteronuclear Coordination Polymer
• Effective Hydrocracking of 4, 6-Dimethyldibenzothiophene Catalyzed by Palladium- and Nickel-Co-Loaded Y-type Zeolite
• Copper-Promoted Reaction of Aryl Iodides with Activated Methine Compounds
• Long-term Angiographic Evaluation of Free Internal Thoracic Artery Grafting for Myocardial Revascularization
• Cardiac Operations in Patients with Severe Pulmonary Impairment
• Effects of Pretreatment of Zao Zhuang and Akabira Bituminous Coals with SiCl_4-NaI Reagents on Pyrolytic Behavior of Extracts
• Correlation of the Frontier Orbital Properties of Alkanolamines with the Experimental CO_2 Loading
• Local Reinforcement of 6061 Aluminum Alloy Bar Using High-Frequency Induction Heating Apparatus
• Catalytic upgrading of SRC from pyrolytic coal liquefaction and hydrocracking of polycyclic aromatic hydrocarbons.
• Bromine Addition to Cyanonorbornene Derivatives
• Effects of various gas-pretreatments of the Fe powder, prepared by the reduction of FeI2 with potassium metal, on the catalytic properties in Fischer-Tropsch synthesis.
• The hydrocracking of solvent refined coals over molten salt catalysts.
• The elimination reaction of chlorobutane over some molten salts.
• The glow-discharge reactions of pyrrole, pyrrolidine, and butylamine.
• The hydrocracking of polynuclear aromatic hydrocarbons over molten salt catalysts.
• Catalytic hydrogenation and cracking of anthracene over MoCl3-LiCl-KCl and NiCl2-LiCl-KCl salts.
• Reduction of some sulfides and ethers with aromatic rings by electrochemically generated solvated electrons.
• The dehydrochlorination of gem-dichloroalkane and the formation of dienes from the reactions of butenes and cyclohexene with chlorine through molten salt.
• Structural characterization of soluble products from a series of reductively butylated coals prepared in refluxing tetrahydrofuran.
• The hydrocracking of a heavy anthracene oil over molten salt catalysts.
• Effects of pretreatment of Yubari coal by solvent-extraction on the reductive alkylation with molten potassium and iodoethane.
• The hydrocarcking of alkyl-substituted polynuclear aromatic hydrocarbons over ZnCl2/CuCl molten salt catalyst.
• The glow-discharge reactions of amines.
• Studies on Nitrile Salts. III. Dimerization of Nitriles Having No α-Hydrogen with Hydrogen Chloride

もっと見る 閉じる

スポンサーリンク