5-broMo-7-(trifluoroMethyl)-1H-indazole

Product Name: 5-broMo-7-(trifluoroMethyl)-1H-indazole
CAS No.: 1374258-43-1
Chemical Name: 5-broMo-7-(trifluoroMethyl)-1H-indazole
Synonyms: 5-broMo-7-(trifluoroMethyl)-1H-indazole;1H-Indazole, 5-bromo-7-(trifluoromethyl)-
CBNumber: CB62594835
Molecular Formula: C8H4BrF3N2
Formula Weight: 265.03
MOL File: 1374258-43-1.mol

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5-broMo-7-(trifluoroMethyl)-1H-indazole Property

storage temp.: Sealed in dry,Room Temperature
form: solid
color: White

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Safety

HS Code: 2933998090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

TRC

Product number: B421205
Product name: 5-bromo-7-(trifluoromethyl)-1H-indazole
Packaging: 10mg
Price: $45
Updated: 2021/12/16

Apolloscientific

Product number: PC402014
Product name: 5-Bromo-7-(trifluoromethyl)-1H-indazole
Packaging: 100mg
Price: $290
Updated: 2021/12/16

Apolloscientific

Product number: PC402014
Product name: 5-Bromo-7-(trifluoromethyl)-1H-indazole
Packaging: 250mg
Price: $350
Updated: 2021/12/16

SynQuest Laboratories

Product number: 3H32-B-27
Product name: 5-Bromo-7-(trifluoromethyl)-1H-indazole
Purity: 98%
Packaging: 250mg
Price: $560
Updated: 2021/12/16

SynQuest Laboratories

Product number: 3H32-B-27
Product name: 5-Bromo-7-(trifluoromethyl)-1H-indazole
Purity: 98%
Packaging: 100mg
Price: $464
Updated: 2021/12/16

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5-broMo-7-(trifluoroMethyl)-1H-indazole Chemical Properties,Usage,Production

Synthesis

864539-96-8

1374258-43-1

General procedure for the synthesis of 5-bromo-7-(trifluoromethyl)-1H-indazole from 4-bromo-2-methyl-6-(trifluoromethyl)aniline: to a mixture of 4-bromo-2-methyl-6-(trifluoromethyl)aniline (700 mg, 2.77 mmol) and potassium acetate (325.8 mg, 3.32 mmol) in chloroform (20 mL) was added dropwise at 0 °C with acetic anhydride (846.6 mg, 8.30 mmol). The reaction mixture was stirred at room temperature for 1 hour. Subsequently, the reaction mixture was heated to 60 °C and tert-butyl nitrite (570.6 mg, 5.54 mmol) was added. After stirring at 60 °C overnight, the mixture was diluted with water and extracted twice with dichloromethane. The combined organic layers were washed with brine, dried over anhydrous sodium sulfate and concentrated under reduced pressure. The residue was dissolved in methanol (5 mL) and 6N hydrochloric acid (5 mL). The mixture was stirred at room temperature for 4 hours, alkalized with 10N aqueous sodium hydroxide and extracted twice with dichloromethane. The combined organic layers were again washed with brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (petroleum ether/ethyl acetate = 10:1 to 3:1) to afford 5-bromo-7-(trifluoromethyl)-1H-indazole (420 mg, 57.5% yield) as a yellow oil.LC/MS (ESI) m/z: 265 (M + H).

References

[1] Patent: WO2018/160889, 2018, A1. Location in patent: Page/Page column 561; 562; 563
[2] Patent: US2012/108619, 2012, A1. Location in patent: Page/Page column 37

5-broMo-7-(trifluoroMethyl)-1H-indazole Preparation Products And Raw materials

Raw materials

Preparation Products

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5-broMo-7-(trifluoroMethyl)-1H-indazole Suppliers

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1374258-43-1, 5-broMo-7-(trifluoroMethyl)-1H-indazoleRelated Search:

5-broMo-7-(trifluoroMethyl)-1H-indazole

1H-Indazole, 5-bromo-7-(trifluoromethyl)-

1374258-43-1