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
A Pd-catalyzed optional approach for the synthesis of dibenzothiophenes
作者:Juan Song、Hao Wu、Wei Sun、Songjiang Wang、Haisen Sun、Kang Xiao、Yan Qian、Chao Liu
DOI:10.1039/c8ob00235e
日期:——
A direct and practical approach for the construction of DBTs was developed via a Pd-catalyzed tandem reaction, in which commercially available o-bromo-iodobenzenes combined with benzene thiols or iodobenzenes combined with o-bromo-benzene thiols were applied. These two approaches will provide an alternative for the synthesis of DBT derivatives.
Mild and General Palladium-Catalyzed Synthesis of Methyl Aryl Ethers Enabled by the Use of a Palladacycle Precatalyst
作者:Chi Wai Cheung、Stephen L. Buchwald
DOI:10.1021/ol401796v
日期:2013.8.2
A general method for the Pd-catalyzed coupling of methanol with (hetero)aryl halides is described. The reactions proceed under mildconditions with a wide range of aryl and heteroaryl halides to give methyl aryl ethers in high yield.
Rhodium-Catalyzed Sequential Dehydrogenation/Deoxygenation in One-Pot: Efficient Synthesis of Dibenzothiophene Derivatives from Diaryl Sulfoxides
作者:Qiufeng Huang、Shurong Fu、Shaojia Ke、Hanbing Xiao、Xiaofeng Zhang、Shen Lin
DOI:10.1002/ejoc.201501075
日期:2015.10
A novel strategy for the synthesis of dibenzothiophene derivatives is established through a one-pot intramolecular cross-dehydrogenative-coupling reaction of diaryl sulfoxides followed by deoxygenation with a Rh/Ag catalytic system. The yields obtained were good to excellent (up to 96 %), therefore making the described protocol an attractive option for building dibenzothiophene compounds.