ChemicalBook > CAS DataBase List > 6-Bromo-N-methyl-2-naphthalenecarboxamide

6-Bromo-N-methyl-2-naphthalenecarboxamide

Product Name: 6-Bromo-N-methyl-2-naphthalenecarboxamide
CAS No.: 426219-35-4
Chemical Name: 6-Bromo-N-methyl-2-naphthalenecarboxamide
Synonyms: 6-BROMO-N-METHYL-2-NAPHTOAMIDE;6-bromo-N-methyl-2-naphthamide;6-Bromo-N-methyl-2-naphthylcarboxamide;6-Bromo-N-methyl-2-phthalenecarboxamide;6-Bromo-N-methyl-2-naphthalenecarboxamide;6-bromo-N-methylnaphthalene-2-carboxamide;2-Naphthalenecarboxamide, 6-bromo-N-methyl-
CBNumber: CB52489907
Molecular Formula: C12H10BrNO
Formula Weight: 264.12
MOL File: 426219-35-4.mol

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6-Bromo-N-methyl-2-naphthalenecarboxamide Property

Boiling point:: 465.9±18.0 °C(Predicted)
Density: 1.466
storage temp.: Sealed in dry,Room Temperature
pka: 14.62±0.46(Predicted)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H317May cause an allergic skin reaction

Precautionary statements

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

P272Contaminated work clothing should not be allowed out of the workplace.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

P321Specific treatment (see … on this label).

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TRC

Product number: B679235
Product name: 6-Bromo-N-methyl-2-naphthamide
Packaging: 100mg
Price: $90
Updated: 2021/12/16

TRC

Product number: B679235
Product name: 6-Bromo-N-methyl-2-naphthamide
Packaging: 250mg
Price: $165
Updated: 2021/12/16

AK Scientific

Product number: W6234
Product name: 6-Bromo-N-methyl-2-naphthamide
Packaging: 250mg
Price: $147
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: HCH0367845
Product name: 6-BROMO-N-METHYL-2-NAPHTHAMIDE
Purity: 95.00%
Packaging: 5MG
Price: $497.99
Updated: 2021/12/16

Medical Isotopes, Inc.

Product number: 35547
Product name: 6-Bromo-N-methyl-2-naphthamide
Purity: 95+%
Packaging: 1g
Price: $660
Updated: 2021/12/16

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6-Bromo-N-methyl-2-naphthalenecarboxamide Chemical Properties,Usage,Production

Uses

6-Bromo-N-methyl-2-naphthamide is used as a reactant in the synthesis process for orteronel (TAK-700), a potenital inhibitor that could be used for the treatment of prostate cancer.

Synthesis

5773-80-8

74-89-5

426219-35-4

1. 6-Bromo-2-naphthoic acid (10.1 g, 40.1 mmol) and N,N-dimethylformamide (4.75 g, 65.0 mmol) were dissolved in toluene (80 mL). 2. Thionyl chloride (5.7 g, 48.2 mmol) was slowly added dropwise to the reaction mixture at 45 to 50 °C with continuous stirring for 1 hour and then cooled to room temperature. 3. In another vessel, a solution was prepared by dissolving triethylamine (11.4 g, 112.4 mmol) and 40% methylamine methanol solution (8.1 g, 104.4 mmol) in toluene (80 mL). 4. The reaction mixture from step 2 was slowly added dropwise to the solution prepared in step 3 at 10 to 25°C with stirring for 1 hour at room temperature. 5. Water (50 mL) was added dropwise to the reaction mixture and stirring was continued at room temperature. 6. The crystals formed were collected by filtration and washed with a solvent mixture of methanol/water (2:8) (25 mL) to obtain wet crystals. 7. Dissolve the wet crystals in N,N-dimethylacetamide (70 mL) and heat to 60 °C to dissolve completely. 8. After cooling to room temperature, water (140 mL) was added slowly and dropwise to the reaction mixture. 9. The crystals were collected by filtration and washed with water (80 mL) to obtain wet crystals. 10. Suspend the wet crystals in ethyl acetate (25 mL) and stir at room temperature. 11. The crystals were collected by filtration and washed with ethyl acetate (5 mL). 12. The resulting wet crystals were dried under reduced pressure to afford 6-bromo-N-methyl-2-naphthalenecarboxamide (9.4 g, 35.6 mmol) in 89% yield. 13. 13. Product characterization: 1H NMR (500 MHz, DMSO-d6) δ 2.84 (d, J = 4.4 Hz, 3H), 7.71 (dd, J = 8.8, 2.2 Hz, 1H), 7.93-8.03 (m, 3H), 8.28 (d, J = 1.9 Hz, 1H), 8.44 (s, 1H), 8.62 (d, J = 4.1 Hz, 1H). 4.1 Hz, 1H); HRMS (ESI) m/z Calculated C12H11BrNO [M + H]+: 264.0024, measured: 264.0019; Elemental Analysis Calculated C12H10NOBr: C, 54.57; H, 3.82; N, 5.30; Br, 30.25; Measured C, 54.56; H, 3.70; N, 5.25. 3.70; N, 5.34; Br, 30.23.

References

[1] Patent: WO2012/173280, 2012, A1. Location in patent: Page/Page column 32-33
[2] Bioorganic and Medicinal Chemistry, 2011, vol. 19, # 21, p. 6356 - 6374
[3] Patent: EP1471056, 2004, A1. Location in patent: Page 32

6-Bromo-N-methyl-2-naphthalenecarboxamide Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 6-Bromo-N-methyl-2-naphthalenecarboxamide manufacturers

Career Henan Chemical Co

Product: 6-Bromo-N-methyl-2-naphthalenecarboxamide 426219-35-4
Price: US $1.00/KG
Min. Order: 1KG
Purity: 95%-99%
Supply Ability: 1ton
Release date: 2020-01-08

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Naphthalene series