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18523-22-3

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18523-22-3 Usage

Chemical Properties

light yellow crystalline powder

Uses

Different sources of media describe the Uses of 18523-22-3 differently. You can refer to the following data:
1. It is employed as an intermediate for pharmaceutical and organic synthesis.
2. 3-Bromophenacyl bromide is a useful intermediate for pharmaceutical and organic synthesis.

Check Digit Verification of cas no

The CAS Registry Mumber 18523-22-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,5,2 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18523-22:
(7*1)+(6*8)+(5*5)+(4*2)+(3*3)+(2*2)+(1*2)=103
103 % 10 = 3
So 18523-22-3 is a valid CAS Registry Number.
InChI:InChI=1/C8H6Br2O/c9-5-8(11)6-2-1-3-7(10)4-6/h1-4H,5H2

18523-22-3 Well-known Company Product Price

  • Brand
  • (Code)Product description
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  • Detail
  • Alfa Aesar

  • (A15210)  2,3'-Dibromoacetophenone, 97%   

  • 18523-22-3

  • 1g

  • 284.0CNY

  • Detail
  • Alfa Aesar

  • (A15210)  2,3'-Dibromoacetophenone, 97%   

  • 18523-22-3

  • 5g

  • 837.0CNY

  • Detail
  • Alfa Aesar

  • (A15210)  2,3'-Dibromoacetophenone, 97%   

  • 18523-22-3

  • 25g

  • 3619.0CNY

  • Detail

18523-22-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-bromo-1-(3-bromophenyl)ethanone

1.2 Other means of identification

Product number -
Other names a,3'-dibromoacetophenone

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

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

More Details:18523-22-3 SDS

18523-22-3Relevant articles and documents

A practical synthesis of α-bromo/iodo/chloroketones from olefins under visible-light irradiation conditions

Wang, Zhihui,Wang, Lei,Wang, Zhiming,Li, Pinhua,Zhang, Yicheng

supporting information, p. 429 - 432 (2020/02/29)

A practical synthesis of α-bromo/iodo/chloroketones from olefins under visible-light irradiation conditions has been developed. In the presence of PhI(OAc)2 as promoter and under ambient conditions, the reactions of styrenes and triiodomethane undergo the transformation smoothly to deliver the corresponding α-iodoketones without additional photocatalyst in good yields under sunlight irradiation. Meanwhile, the reactions of styrenes with tribromomethane and trichloromethane generate the desired α-bromoketones and α-chloroketones in high yields by using Ru(bpy)3Cl2 as a photocatalyst under blue LED (450–455 nm) irradiation.

Synthesis and anti-methicillin-resistant Staphylococcus aureus activity of 5,7-dibromo-2-benzoylbenzofurans alone and in combination with antibiotics

Phan, Phuong-Thuy T.,Nguyen, Hong-Nhung T.,Kim, Son N.,Pham, Tuan-Anh N.

supporting information, p. 786 - 796 (2020/12/09)

A series of 5,7-dibromo-2-benzoylbenzofurans were synthesized by the Rap–Stoermer condensation of 5,7-dibromosalicylaldehyde with diverse phenacyl bromides and evaluated for in-vitro antibacterial activities against methicillin-sensitive Staphylococcus aureus (MSSA) ATCC 29213, methicillin-resistant Staphylococcus aureus (MRSA) ATCC 43300, and MRSA ATCC 33591 by agar dilution method. The synergistic effects were determined by using the agar dilution checkerboard assay. The derivatives bearing carboxylic acid functional groups exhibited reasonable activity against MRSA strains with the best MIC = 32 μg/mL (9b, 9d). Moreover, the additive or synergistic interactions against MRSA strains was observed in six combinations (1b + cefuroxime/gentamicin, 1c + ciprofloxacin/gentamicin, 9b + gentamicin, and 9c + ciprofloxacin) with the fractional inhibitory concentration index (FICI) values in the range of 0.375–1.0. Significantly, the MICs of these antibiotics were reduced 2–4-fold. The results of the MTT assay illustrated the low mammalian cell cytotoxicity of these potent compounds.

Base-Catalyzed Intramolecular Defluorination/O-Arylation Reaction for the Synthesis of 3-Fluoro-1,4-oxathiine 4,4-Dioxide

Kang, Lei,Zhang, Jinlong,Yang, Huameng,Qian, Jinlong,Jiang, Gaoxi

supporting information, p. 785 - 789 (2021/04/09)

A novel process involving base-catalyzed intramolecular defluorination/O-arylation of readily available α-fluoro-β-one-sulfones was realized and provided a series of 3-fluoro-1,4-oxathiine 4,4-dioxide derivatives in good to excellent yields. Unlike traditional defluorination reactions with stoichiometric base as the deacid reagent, this process is triggered by a catalytic amount of base (TMG: tetramethylguanidine) and molecular sieves serve as both an adsorbent to remove HF acid and an activator to assist C-F bond cleavage.

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