ChemicalBook > CAS DataBase List > Benzofuran, 7-bromo-4-methyl- (9CI)

Benzofuran, 7-bromo-4-methyl- (9CI)

Product Name: Benzofuran, 7-bromo-4-methyl- (9CI)
CAS No.: 799766-13-5
Chemical Name: Benzofuran, 7-bromo-4-methyl- (9CI)
Synonyms: 7-Bromo-4-methylbenzofuran;Benzofuran, 7-bromo-4-methyl-;7-broMo-4-Methyl-1-benzofuran;Benzofuran, 7-bromo-4-methyl- (9CI)
CBNumber: CB81065509
Molecular Formula: C9H7BrO
Formula Weight: 211.06
MOL File: 799766-13-5.mol

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Benzofuran, 7-bromo-4-methyl- (9CI) Property

Boiling point:: 261.5±20.0 °C(Predicted)
Density: 1.520±0.06 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
Appearance: White to off-white Solid

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

AK Scientific

Product number: 3604CZ
Product name: 7-Bromo-4-methylbenzofuran
Packaging: 250mg
Price: $243
Updated: 2021/12/16

AK Scientific

Product number: 3604CZ
Product name: 7-Bromo-4-methylbenzofuran
Packaging: 1g
Price: $539
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: HCH0037438
Product name: BENZOFURAN, 7-BROMO-4-METHYL
Purity: 95.00%
Packaging: 5G
Price: $909.56
Updated: 2021/12/16

Crysdot

Product number: CD11055019
Product name: 7-Bromo-4-methylbenzofuran
Purity: 95+%
Packaging: 250mg
Price: $234
Updated: 2021/12/16

Chemenu

Product number: CM161988
Product name: Benzofuran,7-bromo-4-methyl
Purity: 95%
Packaging: 1g
Price: $552
Updated: 2021/12/16

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Benzofuran, 7-bromo-4-methyl- (9CI) Chemical Properties,Usage,Production

Synthesis

799766-12-4

799766-13-5

To a 500-mL round-bottomed flask was added 15.6 g of polyphosphoric acid (PPA) and anhydrous chlorobenzene (260 mL). The mixture was heated to reflux and a solution of 1-bromo-2-(2,2-dimethoxyethoxy)-4-methylbenzene (8.11 g, 29.5 mmol) dissolved in chlorobenzene (60 mL) was added slowly and dropwise over 2 hours. The reflux reaction was maintained for 3 hours and then cooled to room temperature. The reaction mixture was filtered through a silica plug and subsequently concentrated. Purification by column chromatography (eluent: 100% hexane) afforded 4.67 g (75% yield) of the target product 7-bromo-4-methyl-benzofuran as a white, waxy solid with a melting point of 32-33 °C. 1H NMR (300 MHz, DMSO-d6) δ: 2.46 (3H, single peak), 7.02 (1H, double peak, J=7.9 Hz), 7.16 ( 1H, double peak, J=2.2 Hz), 7.43 (1H, double peak, J=7.9 Hz), 8.10 (1H, double peak, J=2.2 Hz). Mass spectrum (EI) m/z: 210 ([M+]). Elemental analysis (C9H7BrO) Calculated value: C: 51.22, H: 3.34; measured value: C: 50.83, H: 3.08.

References

[1] Patent: WO2004/103941, 2004, A2. Location in patent: Page 27
[2] Bioorganic and Medicinal Chemistry Letters, 2007, vol. 17, # 4, p. 902 - 906

Benzofuran, 7-bromo-4-methyl- (9CI) Preparation Products And Raw materials

Raw materials

Preparation Products

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