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2252-37-1

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2252-37-1 Usage

Chemical Properties

White powder

Check Digit Verification of cas no

The CAS Registry Mumber 2252-37-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,5 and 2 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2252-37:
(6*2)+(5*2)+(4*5)+(3*2)+(2*3)+(1*7)=61
61 % 10 = 1
So 2252-37-1 is a valid CAS Registry Number.
InChI:InChI=1/C7H4BrFO2/c8-4-2-1-3-5(9)6(4)7(10)11/h1-3H,(H,10,11)

2252-37-1 Well-known Company Product Price

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  • Alfa Aesar

  • (H61251)  2-Bromo-6-fluorobenzoic acid, 97%   

  • 2252-37-1

  • 1g

  • 463.0CNY

  • Detail
  • Alfa Aesar

  • (H61251)  2-Bromo-6-fluorobenzoic acid, 97%   

  • 2252-37-1

  • 5g

  • 2088.0CNY

  • Detail

2252-37-1SDS

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-6-fluorobenzoic acid

1.2 Other means of identification

Product number -
Other names 6-Bromo-2-fluorobenzoic acid

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:2252-37-1 SDS

2252-37-1Relevant articles and documents

Light and oxygen-enabled sodium trifluoromethanesulfinate-mediated selective oxidation of C-H bonds

Fu, Hua,Liu, Can,Liu, Yong,Yang, Haijun,Zhu, Xianjin

supporting information, p. 4357 - 4363 (2020/07/14)

Visible light-induced organic reactions are important chemical transformations in organic chemistry, and their efficiency highly depends on suitable photocatalysts. However, the commonly used photocatalysts are precious transition-metal complexes and elaborate organic dyes, which hamper large-scale production due to high cost. Here, for the first time, we report a novel strategy: light and oxygen-enabled sodium trifluoromethanesulfinate-mediated selective oxidation of C-H bonds, allowing high-value-added aromatic ketones and carboxylic acids to be easily prepared in high-to-excellent yields using readily available alkyl arenes, methyl arenes and aldehydes as materials. The mechanistic investigations showed that the treatment of inexpensive and readily available sodium trifluoromethanesulfinate with oxygen under irradiation of light could in situ form a pentacoordinate sulfide intermediate as an efficient photosensitizer. The method represents a highly efficient, economical and environmentally friendly strategy, and the light and oxygen-enabled sodium trifluoromethanesulfinate photocatalytic system represents a breakthrough in photochemistry. This journal is

Uncatalyzed CO2Li-Mediated SNAr Reaction of Unprotected Benzoic Acids via Silicon Trickery

Belaud-Rotureau, Mickael,Castanet, Anne-Sophie,Nguyen, Thi Huu,Mortier, Jacques

, p. 307 - 313 (2016/03/30)

The alkyl and aryllithium nucleophilic aromatic substitution (SNAr) displacement of a fluoro or methoxy group from unprotected 2-fluoro/methoxybenzoic acids is discussed. It was discovered that a TMS group located at the C6-position ortho to the carboxyl group shields effectively the carboxylate against nucleophilic attack, thus reducing dramatically ketone formation, and reorients nucleophilic substitution to the C2-position. The reactions with fluoro-substituted substrate 7 proceed efficiently; in contrast, the use of methoxy-functionalized benzoic acid 8 only affords moderate yields with s-BuLi and PhLi. This uncatalyzed coupling reaction, which provides a direct access to biaryl compounds, presumably proceeds by an addition-elimination sequence via intermediate formation of a resonance-stabilized pentavalent silalactone-Meisenheimer complex.

Zn-Catalyzed Enantio- and Diastereoselective Formal [4 + 2] Cycloaddition Involving Two Electron-Deficient Partners: Asymmetric Synthesis of Piperidines from 1-Azadienes and Nitro-Alkenes

Chu, John C. K.,Dalton, Derek M.,Rovis, Tomislav

supporting information, p. 4445 - 4452 (2015/04/14)

We report a catalytic asymmetric synthesis of piperidines through [4 + 2] cycloaddition of 1-azadienes and nitro-alkenes. The reaction uses earth abundant Zn as catalyst and is highly diastereo- and regioselective. A novel BOPA ligand (F-BOPA) confers high reactivity and enantioselectivity in the process. The presence of ortho substitution on the arenes adjacent to the bis(oxazolines) was found to be particularly impactful, due to limiting the undesired coordination of 1-azadiene to the Lewis acid and thus allowing the reaction to be carried out at lower temperature. A series of secondary kinetic isotope effect studies using a range of ligands implicates a stepwise mechanism for the transformation, involving an initial Michael-type addition of the imine to the nitro-alkene followed by a cyclization event. The stepwise mechanism obviates the electronic requirement inherent to a concerted mechanism, explaining the successful cycloaddition between two electron-deficient partners. (Chemical Equation Presented).

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