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4-Chlorophenyl 4-bromobenzenesulfonate is a chemical compound with the molecular formula C12H8BrClO3S. It is an organic compound that consists of a 4-chlorophenyl group (a benzene ring with a chlorine atom at the 4th position) and a 4-bromobenzenesulfonate group (a benzene ring with a bromine atom at the 4th position and a sulfonate group attached to it). 4-chlorophenyl 4-bromobenzenesulfonate is known for its reactivity and is often used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals. It is characterized by its ability to participate in electrophilic aromatic substitution reactions due to the presence of electron-withdrawing groups, which activate the benzene ring towards further substitution. The compound is typically synthesized through the reaction of 4-chlorophenol with 4-bromobenzenesulfonyl chloride. It is important to handle 4-chlorophenyl 4-bromobenzenesulfonate with care due to its potential reactivity and the need for appropriate safety measures in a laboratory setting.

7463-24-3

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7463-24-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7463-24-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,6 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7463-24:
(6*7)+(5*4)+(4*6)+(3*3)+(2*2)+(1*4)=103
103 % 10 = 3
So 7463-24-3 is a valid CAS Registry Number.

7463-24-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name (4-chlorophenyl) 4-bromobenzenesulfonate

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7463-24-3 SDS

7463-24-3Downstream Products

7463-24-3Relevant academic research and scientific papers

Electron Donor-Acceptor Complex Enabled Decarboxylative Sulfonylation of Cinnamic Acids under Visible-Light Irradiation

Ge, Qian-Qian,Qian, Jia-Sheng,Xuan, Jun

, p. 8691 - 8701 (2019/08/30)

Visible-light-induced decarboxylative sulfonylation of cinnamic acids with aryl sulfonate phenol esters enabled by the electron donor-acceptor complex is developed. The method offers a mild and green approach for the synthesis of vinyl sulfones with excellent functional group compatibility under photocatalyst and oxidant-free conditions.

Iodine-induced synthesis of sulfonate esters from sodium sulfinates and phenols under mild conditions

Gao, Jian,Pan, Xiaojun,Liu, Juan,Lai, Junyi,Chang, Liming,Yuan, Gaoqing

, p. 27439 - 27442 (2015/03/31)

An iodine-induced synthesis of sulfonate esters via cross-coupling reactions of sodium sulfinates with phenols is reported. This synthetic route is low-cost, facile, green and efficient, and could afford the target products with good to excellent yields u

SULFONYLATION OF PHENOLS IN THE PRESENCE OF PYRIDINE BASES

Viggert, R. V.,Maksimenko, N. N.,Rubleva, L. I.,Derevyanko, S. V.

, p. 1295 - 1298 (2007/10/02)

The sulfonylation of phenols by aromatic sulfonyl chlorides in the presence of pyridine bases in nitrobenzene was studied by potentiometric titration.A linear dependence was found between the logarithms of the catalytic constants and the ?-Hammett constan

CATALYTIC EFFECT OF PYRIDINE BASES IN REACTIONS LEADING TO THE FORMATION OF PHENYL ESTERS OF AROMATIC SULFONIC ACIDS

Vizgert, R.V.,Maksimenko, N.N.,Panov, E.P.

, p. 520 - 524 (2007/10/02)

The sulfonylation of p-chlorophenol by p-bromobenzenesulfonyl chloride in the presence of pyridine bases in nitrobenzene was investigated by potentiometric titration.A linear relation was obtained butween the logarithms of the catalytic constants and the basicity of the catalysts (β = 1.04) and the sensitivity of the reaction to the effect of substituents in the pyridine (ρ = -6.5).The effect of the leaving group (the kBrc/kClc ratio) is large and equal to 33.5.On the basis of the obtained data and of previous investigations it is suggested that catalysis by pyridine bases in the sulfonylation of phenols has a nucleophilic mechanism.

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