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4-Acetylbenzene-1-sulfonyl fluoride, also known as 4-acetylbenzenesulfonyl fluoride or p-acetylbenzenesulfonyl fluoride, is an organic chemical compound with the molecular formula C8H7FO2S. It is a colorless to pale yellow crystalline solid that is soluble in organic solvents. 4-acetylbenzene-1-sulfonyl fluoride is primarily used as a reagent in organic synthesis, particularly in the preparation of various pharmaceuticals, agrochemicals, and other specialty chemicals. It is known for its reactivity as a sulfonyl fluoride, which can act as a good leaving group in nucleophilic substitution reactions, making it a valuable building block in the synthesis of complex molecules. Due to its reactivity, it is important to handle 4-acetylbenzene-1-sulfonyl fluoride with care, as it can be harmful if inhaled, ingested, or absorbed through the skin.

455-25-4

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455-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 455-25-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,5 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 455-25:
(5*4)+(4*5)+(3*5)+(2*2)+(1*5)=64
64 % 10 = 4
So 455-25-4 is a valid CAS Registry Number.

455-25-4Relevant academic research and scientific papers

Efficient synthesis of chalcone-4′-sulfonyl chlorides and fluorides

Semenok, Dmitrii,Kletskov, Alexey,Dikusar, Evgenij,Potkin, Vladimir,Lukin, Oleg

, p. 372 - 374 (2018)

A library of 4′-chloro- and 4′-fluorosulfonyl-substituted chalcones was prepared via the aldol-type condensation reactions of 4-acetylbenzene-1-sulfonyl halides with various aromatic aldehydes, either in absolute ethanol or glacial acetic acid, in the pre

Visible-Light-Mediated Synthesis of Sulfonyl Fluorides from Arylazo Sulfones

Bui, Tien Tan,Tran, Van Hieu,Kim, Hee-Kwon

supporting information, p. 341 - 347 (2021/10/14)

Sulfonyl fluorides are useful motifs for a wide range of applications in organic synthesis including sulfur (VI) fluoride exchange-based “click chemistry.” Herein, a visible-light-mediated synthesis of sulfonyl fluorides from arylazo sulfones is described. In the present study, K2S2O5 and N-fluorobenzenesulfonimide (NFSI) were used as the sulfonyl source and fluorinating agent, respectively, for visible-light-mediated fluorosulfonylation of arylazo sulfones to prepare various sulfonyl fluorides in 60–85% yield. This protocol is a synthetic approach to provide useful sulfonyl fluoride structures at room temperature. (Figure presented.).

Pd-Catalyzed Conversion of Aryl Iodides to Sulfonyl Fluorides Using SO2 Surrogate DABSO and Selectfluor

Tribby, Ariana L.,Rodríguez, Ismeraí,Shariffudin, Shamira,Ball, Nicholas D.

, p. 2294 - 2299 (2017/02/26)

A one-pot Pd-catalyzed conversion of aryl iodide to aryl sulfonyl fluorides using DABSO and Selectfluor has been developed generating aryl sulfonyl fluorides in good to excellent yields. The reaction results in the generation of electronically and sterically diverse sulfonyl fluorides. Additionally, sulfonyl fluorides can be converted to aryl sulfonamides and sulfonic esters using Cs2CO3 under mild conditions.

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