Metal-free, high yielding synthesis of unsymmetrical biaryl, bi(heteroaryl), aryl vinyl, aryl alkyl sulfones via coupling of aryne with sulfinic acid salts
作者:Sravan Kumar Aithagani、Kushalava Reddy Yempalla、Gurunadham Munagala、Ram A. Vishwakarma、Parvinder Pal Singh
DOI:10.1039/c4ra07370c
日期:——
Here, we report a metal-free, high yielding method for the synthesis of unsymmetrical biaryl sulfones via coupling of aryne with sulfinic acid salts. The optimized condition also works efficiently for bi(heteroaryl), arylvinyl and aryl alkyl sulfones. The present method took comparatively shorter reaction times and has good functional group compatibility.
The synthesis of diarylsulfones with simple arenes and K<sub>2</sub>S<sub>2</sub>O<sub>8</sub>through double C–S bond formation
作者:Yiqing Yang、Zhang Chen、Yu Rao
DOI:10.1039/c4cc05964f
日期:——
An unprecedented double C-S bond formation method has been developed to prepare both symmetric and unsymmetric diarylsulfones with simple arenes in a single step. This represents the first example that K2S2O8 can be employed as a highly effective sulfonating agent to synthesize diarylsulfones. The reaction demonstrates excellent reactivity, good functional group tolerance and high yields.
[EN] A PROCESS FOR THE SYNTHESIS OF ARYL SULFONES<br/>[FR] PROCÉDÉ DE SYNTHÈSE D'ARYLE SULFONES
申请人:COUNCIL SCIENT IND RES
公开号:WO2015087352A1
公开(公告)日:2015-06-18
The present patent discloses a novel, efficient and transition-metal-free room temperature single step process for synthesis of aryl sulfones and substituted aryl sulfones starting from aryl substrates.
Transition-Metal-Free C–S Bond Formation: A Facile Access to Aryl Sulfones from Sodium Sulfinates via Arynes
作者:Virat G. Pandya、Santosh B. Mhaske
DOI:10.1021/ol5018646
日期:2014.7.18
Sulfones have been attractive targets for synthetic organic chemists owing to their immense applications in medicinal, material, and synthetic chemistry. In this context, an efficient transition-metal-free process has been demonstrated, wherein a broad range of alkyl/aryl/heteroaryl sodium sulfinates react with varyingly substituted aryne precursors (o-silyl aryl triflates) under mild reaction conditions
cross-coupling reactions of aryl iodides and arylsulfonylhydrazides under ligand-enabled, Au(I)/Au(III) redox catalysis. This strategy operates under mild reaction conditions, requires no prefunctionalized aryl coupling partner, and works across several aryl iodides. The utility of this protocol is highlighted through the synthesis of various medicinally relevant biaryl sulfones. The reaction mechanism is supported