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Basic Information
| CAS No.: | 49851-31-2 |
|---|---|
| Name: | 2-BROMO-1-PHENYL-PENTAN-1-ONE |
| Article Data: | 22 |
| Cas Database | |
| Molecular Structure: | |
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|
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| Formula: | C11H13BrO |
| Molecular Weight: | 241.128 |
| Synonyms: | 2-bromo-1-phenylpentan-1-one; |
| Density: | 1.31g/cm3 |
| Boiling Point: | 282.267oC at 760 mmHg |
| Flash Point: | 42.513oC |
| PSA: | 17.07000 |
| LogP: | 3.43290 |
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Synthetic route
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α-bromovalerophenone
Conditions
| Conditions | Yield |
|---|---|
| With aluminium trichloride; bromine In diethyl ether at 0℃; | 100% |
| With hydrogenchloride; dihydrogen peroxide; sodium bromide In water at 20℃; | 95% |
| With bromine; benzene |
- 49851-31-2
α-bromovalerophenone
Conditions
| Conditions | Yield |
|---|---|
| With p-nitrobenzenesulfonamide; hydrogen bromide; oxygen; sodium nitrite In water; acetonitrile at 0 - 60℃; under 760.051 Torr; for 30.5h; | 97% |
- 138042-71-4
2-bromo-1-phenyl-2-(p-tolylsulfinyl)-1-pentanone
- 49851-31-2
α-bromovalerophenone
Conditions
| Conditions | Yield |
|---|---|
| With ethylmagnesium bromide In diethyl ether at -78℃; for 0.0833333h; | 56% |
| With ethylmagnesium bromide; water 1.) ether, -78 deg C; Yield given. Multistep reaction; |
- 123-72-8
butyraldehyde
A
- 20907-23-7
2-hydroxy-1-phenylpentan-1-one
B
- 20895-66-3
1-phenyl-1,2-pentanedione
C
- 49851-31-2
α-bromovalerophenone
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: C11H13PolS2 With n-butyllithium In tetrahydrofuran at -35℃; for 2h; solid phase reaction; Stage #2: butyraldehyde In tetrahydrofuran; Petroleum ether at -35℃; solid phase reaction; Stage #3: With N-Bromosuccinimide In tetrahydrofuran; water | A 34% B 20% C 13% |
...Expand
...Expand
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: 1.) LDA / 1.) THF, -78 deg C, 10 min, 2.) THF, -78 deg C, 5 min 2: oxalyl chloride, dimethyl sulfoxide / CH2Cl2 / 0.25 h / -60 °C 3: 56 percent / EtMgBr / diethyl ether / 0.08 h / -78 °C View Scheme |
- 138042-59-8
2-Bromo-1-phenyl-2-(toluene-4-sulfinyl)-pentan-1-ol
- 49851-31-2
α-bromovalerophenone
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: oxalyl chloride, dimethyl sulfoxide / CH2Cl2 / 0.25 h / -60 °C 2: 56 percent / EtMgBr / diethyl ether / 0.08 h / -78 °C View Scheme | |
| Multi-step reaction with 2 steps 1: 74 percent / Swern Oxidation 2: 1.) EtMgBr, 2.) H2O / 1.) ether, -78 deg C View Scheme |
- 100-52-7
benzaldehyde
- 49851-31-2
α-bromovalerophenone
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: 1.) LDA / 1.) -78 deg C, THF 2: 74 percent / Swern Oxidation 3: 1.) EtMgBr, 2.) H2O / 1.) ether, -78 deg C View Scheme |
- 638-29-9
n-valeryl chloride
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α-bromovalerophenone
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: aluminum (III) chloride / dichloromethane 2: bromine / dichloromethane View Scheme |
- 71-43-2
benzene
- 49851-31-2
α-bromovalerophenone
Conditions
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: aluminum (III) chloride / dichloromethane 2: bromine / dichloromethane View Scheme |
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