AlCl<sub>3</sub>
-Catalyzed Intermolecular Annulation of Thiol Derivatives and Alkynes by 1,2-Sulfur Migration: Construction of 6-Substituted Benzo[<i>b</i>
]thiophenes
作者:E. Ramesh、Tirumaleswararao Guntreddi、Akhila K. Sahoo
DOI:10.1002/ejoc.201700607
日期:2017.8.17
intermolecular oxidative annulation of N-arylthio phthalimide derivatives with alkynes is showcased at room temperature. The annulation involves oxidative cleavage of the SN bond and the occurrence of 1,2-S-migration, which eventually allows the construction of diverse arrays of -conjugated 6-substituted 2,3-diaryl benzo[b]thiophenederivatives.
Palladium Catalyzed Aryl(alkyl)thiolation of Unactivated Arenes
作者:Perumal Saravanan、Pazhamalai Anbarasan
DOI:10.1021/ol4036209
日期:2014.2.7
palladium-catalyzed aryl(alkyl)thiolation of various substituted unactivated arenes is accomplished for the synthesis of diverse unsymmetrical diaryl(alkyl) sulfides in good yield employing electrophilic sulfur reagent 6 derivedfrom succinimide. The developed strategy was coupled with intramolecular arylation of a C–H bond to afford dibenzothiphene derivatives, an important moiety in material science as organic
method for the synthesis of 4-chalcogenylated pyrazoles has been developed via electrophilic chalcogenation/cyclization of α,β-alkynic hydrazones. The cyclization of α,β-alkynic aldehyde hydrazones could be induced by using either sulfenyl chloride or the S-electrophiles generated in situ from the reaction of NCS and arythiol. The developed method was successfully applied to the synthesis of the sulfenyl
Controllable synthesis of 3-thiolated pyrroles or pyrrolines was achieved by tuning the reaction solvents, allowing the efficient construction of bisthiolated BODIPY.