Efficient synthesis of aliphatic sulfones by Mg mediated coupling reactions of sulfonyl chlorides and aliphatic halides
作者:Ying Fu、Qin-Shan Xu、Quan-Zhou Li、Zhengyin Du、Ke-Hu Wang、Danfeng Huang、Yulai Hu
DOI:10.1039/c7ob00251c
日期:——
Sulfonylchlorides were reduced to anhydrous sulfinate salts with magnesium under sonication. These sulfinates were alkylated to sulfones with alkyl chlorides in the presence of catalytic sodium iodide under sonication. A variety of aliphatic sulfones was efficiently prepared by this one-pot two-step procedure.
Design and synthesis of stable α-diazo-β-oxo sulfoxides
作者:Stuart G. Collins、Orlagh C. M. O'Sullivan、Patrick G. Kelleher、Anita R. Maguire
DOI:10.1039/c3ob27061k
日期:——
Diazo transfer adjacent to a sulfoxide moiety to provide stable, isolable α-diazo-β-oxo sulfoxides has been achieved. Use of monocyclic and bicyclic sulfoxide precursors is critical in enabling isolation of stable derivatives, through introduction of conformational constraint, while acyclic α-diazo-β-oxo sulfoxides are too labile to isolate and characterize.
New 1,3-dithiol-2-ylidene-alkylsulfonylacetates and their uses
申请人:HOKKO CHEMICAL INDUSTRY CO., LTD
公开号:EP0242061A2
公开(公告)日:1987-10-21
As new compounds are provided alkyl 1,3-dithiol-2-ylidene- alkylsulfonylacetates which are useful as fungicidal agents and agents for therapeutically treating or preventing a liver disorder as well as agents for reducing the internal fat deposit or preventing excessive accumulation of the internal fat deposit in the body of animals, including humans. These new compounds have improved activities for these applications, as compared to known similar compounds.
Bu<sub>4</sub>NI-Catalyzed Cross-Coupling between Sulfonyl Hydrazides and Diazo Compounds To Construct β-Carbonyl Sulfones Using Molecular Oxygen
作者:Yaxiong Wang、Liang Ma、Meihua Ma、Hao Zheng、Ying Shao、Xiaobing Wan
DOI:10.1021/acs.orglett.6b02532
日期:2016.10.7
A new cross-coupling reaction between sulfonyl hydrazides and diazo compounds has been established, leading to a variety of beta-carbonyl sulfones in good yields. This methodology was distinguished by simple manipulation, easily available starting materials, and wide substrate scope. A plausible mechanism involving a radical process was proposed based upon the experimental observations and literature.