1-Methyl-3-(2-(Sulfooxy)Ethyl)-1H-Imidazol-3-Ium Thiocyanate as A Novel, Green, and Efficient BrØNsted Acidic Ionic Liquid-Promoted Regioselective Thiocyanation of Aromatic and Heteroaromatic Compounds at Room Temperature
-3-ium thiocyanate ([Msei]SCN) as a Brønstedacidicionicliquid (BAIL) is described, and it is used in the highly efficient regioselective thiocyanation of aromatic and heteroaromatic compounds via a green and simple protocol. [Msei]SCN as a novel IL and thiocyanation agent, H2O2 as a mild and environmentally friendly oxidant, and H2O:ethanol(1:4) as a solvent were used. This procedure provided the
1,1,2,2-Tetrahydroperoxy-1,2-Diphenylethane: An efficient and high oxygen content oxidant in various oxidative reactions
作者:Kaveh Khosravi、Shirin Naserifar
DOI:10.1016/j.tet.2018.09.041
日期:2018.11
Several oxidative approaches namely thiocyanation of aromatic compounds, epoxidation of alkenes, amidation of aromaticaldehydes, epoxidation of α, β-unsaturated ketones, oxidation of sulfides to sulfoxides and sulfones, bayer-villeger reaction, bromination and iodation of aniline and phenol derivatives oxidativeesterification, oxidation of pyridines and oxidation of secondary, allylic and benzyllic
Novel Brønsted acidic ionic liquids catalyzed one-pot reaction of highly green regioselective thiocyanation of <i>N</i>-containing aromatic and heteroaromatic compounds at room temperature
used for the synthesis of aryl and heteroaryl thiocyanates via the condensation of anilines, indoles, pyrroles, and their derivatives in the presence of H2O2 as a green oxidant in EtOH:H2O (1:1) at room temperature. In the second method, [PSA]Cl} as a new ionicliquid and environmentally friendly catalyst with one acidic functional group was used for the simple and efficient synthesis of aryl and heteroaryl
Citric acid as a trifunctional organocatalyst for thiocyanation of aromatic and heteroaromatic compounds in aqueous media
作者:Ardeshir Khazaei、Mohammad Ali Zolfigol、Mohmmad Mokhlesi、Mahtab Pirveysian
DOI:10.1139/v2012-013
日期:2012.5
A green and simple procedure for the thiocynation of aromatic and heteroaromatic rings in the presence of a cata- lytic amount of citric acid in water are described. The reactions proceed in high yields, with short reaction times and under mild conditions.
Heterogeneous and Catalytic Thiocyanation of Aromatic Compounds in Aqueous Media
作者:Mohammad Ali Zolfigol、Ardeshir Khazaei、Mohammad Mokhlesi、Hoshang Vahedi、Sami Sajadifar、Mahtab Pirveysian
DOI:10.1080/10426507.2011.610846
日期:2012.3.1
Abstract This article describes a highlyefficient heterogeneous catalyticthiocyanation of indoles, substituted anilines (electron rich and electron deficient) and N-substituted aromatic amines in water under mild and green conditions. The reaction of substrates with KSCN in the presence of silica sulfuric acid (SSA) and silica boron sulfonic acid (SBSA) as heterogeneous catalysts and H2O2 or UHP