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Basic Information
| CAS No.: | 5498-31-7 |
|---|---|
| Name: | 4-bromonaphthalen-2-ol |
| Article Data: | 22 |
| Molecular Structure: | |
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| Formula: | C10H7BrO |
| Molecular Weight: | 223.069 |
| Synonyms: | 4-bromo-naphthalen-2-ol;4-Bromo-2-naphthol;4-Brom-[2]naphthol;4-Brom-2-hydroxy-naphthalin;2-Naphthalenol,4-bromo;4-bromonaphth-2-ol;4-Bromo-2-hydroxynaphthalene; |
| Density: | 1.614±0.06 g/cm3(Predicted) |
| Melting Point: | 122 °C |
| Boiling Point: | 346.8±15.0 °C(Predicted) |
| PSA: | 20.23000 |
| LogP: | 3.30790 |
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Synthetic route
- 33670-68-7
4-bromo-1-diazonio-naphthalen-2-olate
- 5498-31-7
4-bromo-naphthalen-2-ol
Conditions
| Conditions | Yield |
|---|---|
| With sodium tetrahydroborate In ethanol at 0℃; for 3h; | 98% |
| With sodium tetrahydroborate In ethanol at 0℃; for 3h; | 98% |
| With ethanol; aluminium |
- 5498-31-7
4-bromo-naphthalen-2-ol
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: 5-bromonaphtho[1,2-d][1,2,3]oxadiazole With sodium tetrahydroborate; ethanol for 12h; Inert atmosphere; Stage #2: With hydrogenchloride In water for 1h; | 78% |
| With sodium tetrahydroborate; ethanol for 12h; Inert atmosphere; | 78% |
| Stage #1: 5-bromonaphtho[1,2-d][1,2,3]oxadiazole With sodium tetrahydroborate; ethanol for 12h; Inert atmosphere; Stage #2: With hydrogenchloride In water for 1h; | 78% |
| Stage #1: 5-bromonaphtho[1,2-d][1,2,3]oxadiazole With sodium tetrahydroborate; ethanol for 12h; Inert atmosphere; Stage #2: With hydrogenchloride; water for 1h; | 78% |
| Stage #1: 5-bromonaphtho[1,2-d][1,2,3]oxadiazole With sodium tetrahydroborate In ethanol for 12h; Inert atmosphere; Stage #2: With hydrogenchloride In ethanol; water for 1h; Inert atmosphere; | 78% |
- 53846-22-3
4-bromo-2-hydroxynaphthalene-1-diazonium salt
- 5498-31-7
4-bromo-naphthalen-2-ol
Conditions
| Conditions | Yield |
|---|---|
| With sodium tetrahydroborate In ethanol at 0 - 10℃; | 75% |
- 5498-31-7
4-bromo-naphthalen-2-ol
Conditions
| Conditions | Yield |
|---|---|
| With sodium tetrahydroborate; ethanol at 10 - 20℃; for 1.5h; | 37% |
- 74924-94-0
4-bromonaphthalen-2-amine
- 5498-31-7
4-bromo-naphthalen-2-ol
Conditions
| Conditions | Yield |
|---|---|
| With sulfuric acid; Methamphetamin Diazotization.anschliessendes Erwaermen; | |
| (i) NaNO2, (ii) aq. H2SO4; Multistep reaction; |
- 90767-01-4
4-bromo-2-nitro-1-naphthylamine
- 5498-31-7
4-bromo-naphthalen-2-ol
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: sulfuric acid; nitrosylhydrogen sulfate 2: aluminium-powder; ethanol View Scheme | |
| Multi-step reaction with 3 steps 1: (i) NaNO2, (ii) (deamination) 2: (reduction) 3: (i) NaNO2, (ii) aq. H2SO4 View Scheme |
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: (reduction) 2: (i) NaNO2, (ii) aq. H2SO4 View Scheme |
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: bromine; acetic acid / 1 h / 70 °C 2: acetic acid; propionic acid; sodium nitrite / 1 h / 5 - 8 °C 3: sodium tetrahydroborate / ethanol / 4 h / 13 - 18 °C View Scheme | |
| Multi-step reaction with 3 steps 1: acetic acid; bromine / 0.33 h / 0 - 60 °C 2: acetic acid; sodium nitrite / propionic acid / 0.17 h / 0 °C 3: sodium tetrahydroborate / ethanol / 3 h / 0 °C View Scheme | |
| Multi-step reaction with 3 steps 1: bromine; acetic acid / 1 h / 70 °C 2: propionic acid; acetic acid; sodium nitrite / 1 h / 5 - 8 °C 3: sodium tetrahydroborate; ethanol / 4 h / 13 - 18 °C View Scheme |
- 20191-76-8
2,4-dibromo-1-naphthylamine
- 5498-31-7
4-bromo-naphthalen-2-ol
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: acetic acid; propionic acid; sodium nitrite / 1 h / 5 - 8 °C 2: sodium tetrahydroborate / ethanol / 4 h / 13 - 18 °C View Scheme | |
| Multi-step reaction with 2 steps 1: acetic acid; sodium nitrite / propionic acid / 0.17 h / 0 °C 2: sodium tetrahydroborate / ethanol / 3 h / 0 °C View Scheme | |
| Multi-step reaction with 2 steps 1: propionic acid; acetic acid; sodium nitrite / 1 h / 5 - 8 °C 2: sodium tetrahydroborate; ethanol / 4 h / 13 - 18 °C View Scheme |
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 5 steps 1.1: pyridine / ethanol / 16 h / 20 °C 2.1: acetic acid; palladium diacetate; N-Bromosuccinimide / 1 h / 80 °C 3.1: hydrogenchloride / 1,4-dioxane / 1 h / Reflux 4.1: sodium tetrahydroborate; ethanol / 16 h / 0 - 20 °C 5.1: toluene-4-sulfonic acid / toluene / 0.5 h / 0 °C / Reflux 5.2: 2 h / 40 °C 5.3: 16 h / 0 - 20 °C View Scheme |
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