14774-79-9Relevant academic research and scientific papers
Visible-Light-Mediated Late-Stage Sulfonylation of Boronic Acids via N-S Bond Activation of Sulfonamides
Du, Xian,Li, Yihui,Luo, Yong,Xu, Dejing,Xu, Xiaohong,Xue, Can,Yuan, Han,Zhen, Jingsong
, p. 1986 - 1991 (2022/02/07)
A visible-light-mediated late-stage arylation of N-S bonds in sulfonamides has been developed with using readily available imines as sulfonyl radical source. Diverse complex sulfones could be synthesized by prefunctionalizaiton and subsequent N-S bond ary
Metal-free sulfonylation of arenes with: N -fluorobenzenesulfonimide via cleavage of S-N bonds: expeditious synthesis of diarylsulfones
Feng, Yueji,Tuo, Yanyan,Zhang, Xiaohui,Zheng, Qing-Zhong
supporting information, p. 768 - 772 (2022/02/03)
A novel metal-free sulfonylation of arenes with N-fluorobenzenesulfonimide (NFSI) toward the synthesis of diarylsulfones has been developed. The reaction represents a rare example of sulfonylation reaction using NFSI as an efficient sulfonyl donor and the first example of acid-mediated sulfonylation of unactivated arenes with NFSI via selective cleavage of S-N bonds. This protocol provides a concise approach for the construction of pharmaceutically and biologically important diarylsulfones. Applications in the functionalization of natural products (e.g., β-estradiol) and in the synthesis of a key intermediate to an inhibitor of farnesyl-protein transferase, as well as in the gram-scale synthesis of the EPAC2 antagonist, are demonstrated. This journal is
An efficient heterogeneous copper fluorapatite (CuFAP)-catalysed oxidative synthesis of diaryl sulfone under mild ligand- and base-free conditions
Kamble, Rohit B.,Chavan, Santosh S.,Suryavanshi, Gurunath
, p. 1632 - 1636 (2019/01/21)
A simple, eco-friendly and efficient method for the synthesis of unsymmetrical diaryl sulfones using heterogeneous copper fluorapatite (CuFAP)-catalysed coupling of aryl sulfonic acid and phenyl boronic acid has been developed with good to excellent yields without use of any ligand, base or co-catalyst. Broad substrate scope and gram scale operations are the important features of this method.
Synthesis method of diaryl sulfone compound (by machine translation)
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Paragraph 0007; 0017-0018; 0026-0028, (2019/12/31)
The invention discloses a synthesis method of a diaryl sulfone compound, wherein the, reaction equation of the series of N - diarylsulfone compounds is prepared by (NFSI) sulfonylating the aromatic hydrocarbon under the non-metal condition with the source of the, benzenesulfonyl group as the benzenesulfonyl group, and: the reaction equation is as follows. STR3, #, STR2, #, STR2, #, #, #, # STR2. # STR2# STR2# STR2, , STR2 STR2 STR2 N - # (NFSI) STR2# STR2 STR2 STR2, #, # STR1 STR8# STR2 STR1 STR8. AlCl R3 , FeCl3 The other precious, and metals of, other metals such as the precious metals of, the other noble metals not cause the environment, to pollute, the environment and are suitable for the concise and high-efficiency synthesis of. the diarylsulfone compounds, and have good application prospects in the fields of organic synthesis, drug research and development and the like. (by machine translation)
Copper(i)-catalyzed sulfonylative Suzuki-Miyaura cross-coupling
Chen, Yiding,Willis, Michael C.
, p. 3249 - 3253 (2017/04/04)
Using a simple copper(i) catalyst has allowed a high yielding sulfonylative-Suzuki-Miyaura cross-coupling reaction to be developed. The process provides a single step route to diaryl sulfones from the direct combination of aryl boronic acids, sulfur dioxide and aryl iodides, and represents the first sulfonylative variant of a classic cross-coupling reaction. Sulfur dioxide is delivered from the surrogate reagent, DABSO. Variation of the reaction conditions allowed interruption of the sulfonylative-Suzuki coupling, resulting in the formation of a presumed Cu-sulfinate intermediate. These sulfinates could be trapped as their sodium salts and treated with electrophiles to allow access to arylalkyl sulfones, β-hydroxyl sulfones, sulfonamides and sulfonyl fluorides.
Synthesis of substituted diphenyl sulfones and their structure-activity relationship with the antagonism of 5-HT6 receptors
Ivachtchenko, Alexandre,Golovina, Elena,Kadieva, Madina,Mitkin, Oleg,Tkachenko, Sergei,Okun, Ilya
, p. 4614 - 4627 (2013/07/26)
Substituted diphenyl sulfones (10a-n) were synthesised, and the structures were confirmed by NMR, LC-MS and X-ray crystallography. Their antagonistic activities towards 5-HT6 receptor were assessed in a cell-based functional assay. Diphenyl sulfone 10a, in spite of being the smallest and simplest known sulfonyl-containing 5-HT6R antagonist, showed a strong potency (Ki = 1.6 μM). Its derivative with a methylamine substituent, 10g (N-methyl-2-(phenylsulfonyl)aniline), was ~66-times as active as diphenyl sulfone (Ki = 24.3 nM). Addition of a piperazinyl moiety in the para-position relative to the sulfonyl group in compound 10m (N-methyl-2-(phenylsulfonyl)-5-piperazin-1-ylaniline) led to a further 150-fold increase in potency (Ki = 0.16 nM) to block the serotonin-induced response of HEK-293 cells that were stably transfected with the human recombinant 5-HT6 receptor.
Method for acylation or sulphonylation of an aromatic compound
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Page column 26, (2008/06/13)
The present invention relates to a process for the acylation or sulphonylation of an aromatic compound. More particularly, the invention relates to a process for the acylation or sulphonylation of an activated or deactivated aromatic compound. The invention is applied to the preparation of aromatic ketones or sulphones. The process for the acylation or sulphonylation of an aromatic compound which consists in reacting at least one aromatic compound with an acylating or sulphonylating agent, in the presence of a Friedel-Crafts catalyst is characterized in that the acylation or sulphonylation reaction is carried out in liquid phase under microwave irradiation.
Acylation and related reactions under microwaves. 4. Sulfonylation reactions of aromatics
Marquie,Laporterie,Dubac,Roques,Desmurs
, p. 421 - 425 (2007/10/03)
Solvent-free sulfonylation of benzene and its activated or deactivated derivatives were carried out under microwave (MW) irradiation and a catalytic amount of iron(III) chloride, which, under these conditions, is more, active than other metallic salts. With more reactive and/or nonvolatile reagents (anisole, xylenes, mesitylene) expeditious conditions (short reaction time at constant MW power without control of the temperature) were used. With less reactive and/or low-boiling reagents (benzene, toluene, halobenzenes), the rise in temperature and the increase of reaction time were controlled either by sequential MW irradiation or by a temperature order. It was shown that MWs cause preferential interactions with polar species present in the reaction, especially the aryl sulfone and its FeCl3-complexed form. A MW nonthermal effect was not observed when identical temperature gradients were produced by classical heating and MW irradiation, and if reaction temperature was strictly controlled.
SYNTHESIS OF CARBOMETHOXYDIPHENYL SULFONES. MASS AND PROTON-NMR SPECTRAL STUDIES
Brinon, M.C.,Bertorello, M.M. de,Bertorello, H.E.,Luna, L.
, p. 41 - 50 (2007/10/02)
Four carbomethoxydiphenyl sulfone compounds are formed in the reaction of 4,4'-dibromo (I) and 4,4'-diiododiphenyl sulfone (II) with n-butyllithium in tetrahydrofuran at -60 deg C.Their mass and proton-nuclear magnetic resonance spectra are discussed.
