6-Bromo-1-hydroxynaphthalene
- Product Name
- 6-Bromo-1-hydroxynaphthalene
- CAS No.
- 91270-68-7
- Chemical Name
- 6-Bromo-1-hydroxynaphthalene
- Synonyms
- 6-broMonaphthalen-1-ol;6-Bromo-1-naphthol;6-Bromo-1-naphthalenol;Duloxetine Impurity 34;1-Naphthalenol, 6-bromo-;6-Bromo-1-hydroxyphthalene;6-Bromo-1-hydroxynaphthalene;Allisartan Isoproxil Impurity 29;6-Bromo-1-hydroxynaChemicalbookphthalene;6-BROMO-1-HYDROXYNAPHTHALENE, 6-Bromonaphthalen-1-ol
- CBNumber
- CB32506851
- Molecular Formula
- C10H7BrO
- Formula Weight
- 223.07
- MOL File
- 91270-68-7.mol
6-Bromo-1-hydroxynaphthalene Property
- Melting point:
- 128.5-129.5 °C
- Boiling point:
- 353.8±15.0 °C(Predicted)
- Density
- 1.614±0.06 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- pka
- 8.93±0.40(Predicted)
- Appearance
- Brown to gray Solid
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye 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.
N-Bromosuccinimide Price
- Product number
- B292425
- Product name
- 6-Bromonaphthalen-1-ol
- Packaging
- 10mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- B292425
- Product name
- 6-Bromonaphthalen-1-ol
- Packaging
- 100mg
- Price
- $200
- Updated
- 2021/12/16
- Product number
- CS-0060671
- Product name
- 6-Bromonaphthalen-1-ol
- Purity
- >97.0%
- Packaging
- 100mg
- Price
- $174
- Updated
- 2021/12/16
- Product number
- FB141325
- Product name
- 6-Bromonaphthalen-1-ol
- Packaging
- 100mg
- Price
- $200
- Updated
- 2021/12/16
- Product number
- CS-0060671
- Product name
- 6-Bromonaphthalen-1-ol
- Purity
- >97.0%
- Packaging
- 250mg
- Price
- $245
- Updated
- 2021/12/16
6-Bromo-1-hydroxynaphthalene Chemical Properties,Usage,Production
Synthesis
66361-67-9
91270-68-7
General procedure for the synthesis of 6-bromo-1-hydroxynaphthalene from 6-bromo-3,4-dihydronaphthalen-1(2H)-one: 6-bromo-3,4-dihydronaphthalen-1(2H)-one (350 mg, 1.57 mmol) was dissolved in a solvent mixture of methylene chloride (2 mL) and methanol (2 mL). A solution of tetrabutylammonium tribromide (832 mg, 1.73 mmol) in dichloromethane (4 mL) was slowly added dropwise at room temperature, and the dropwise process was controlled to be completed within 1 hour. After the dropwise addition, the reaction mixture was continued to be stirred at room temperature for 15 hours. Upon completion of the reaction, the reaction solution was concentrated. The residue was redissolved in dichloromethane and washed three times with saturated sodium bicarbonate solution. The organic layer was separated and concentrated and the residue was dissolved in dimethylformamide (10 mL). Lithium carbonate (286 mg, 3.29 mmol) and lithium bromide (372 mg, 5.02 mmol) were then added and the reaction mixture was stirred at 140 °C for 1.5 hours. After completion of the reaction, it was cooled to room temperature, the solid was filtered and washed with ethyl acetate. The filtrate was washed four times with water and dried with anhydrous sodium sulfate. 6-Bromo-1-hydroxynaphthalene was finally obtained as a brown solid (195 mg, 56% yield).1H NMR (400 MHz, CDCl3) δ: 8.06 (d, J = 9.2Hz, 1H), 7.97 (d, J = 2.4Hz, 1H), 7.54 (dd, J = 8.8Hz, 2.0Hz, 1H), 7.35-7.29 (m. 2H), 6.80 (dd, J = 6.0 Hz, 1.6 Hz, 1H), 5.20 (s, 1H).
References
[1] Patent: WO2014/25708, 2014, A1. Location in patent: Page/Page column 74
[2] Bioorganic and Medicinal Chemistry, 2013, vol. 21, # 5, p. 1284 - 1304
6-Bromo-1-hydroxynaphthalene Preparation Products And Raw materials
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