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Basic Information
| CAS No.: | 6921-22-8 |
|---|---|
| Name: | 2,3-Difluoronitrobenzene |
| Molecular Structure: | |
|
|
|
| Formula: | C6H3 F2 N O2 |
| Molecular Weight: | 159.092 |
| Synonyms: | 1,2-Difluoro-3-nitrobenzene;2,3-Difluoro-1-nitrobenzene; 2,3-Difluoronitrobenzene |
| EINECS: | 230-035-9 |
| Density: | 1.45 g/cm3 |
| Boiling Point: | 219 °C at 760 mmHg |
| Flash Point: | 93.1 °C |
| Hazard Symbols: |
 Xi
|
| PSA: | 45.82000 |
| LogP: | 2.39620 |
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Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide; trifluoroacetic anhydride In dichloromethane; water at 0 - 20℃; | 57% |
| Stage #1: 2,3-difluoroanilline With tetrafluoroboric acid; sodium nitrite In water at 0℃; for 1.33333h; Stage #2: With copper In water for 1.33333h; | 25% |
- 617-86-7
triethylsilane
- 771-69-7
2,3,4-trifluoronitrobenzene
A
- 358-43-0
triethylsilyl fluoride
B
- 6921-22-8
1,2-difluoro-3-nitrobenzene
Conditions
| Conditions | Yield |
|---|---|
| With dmap; (1,3-bis(2,4,6-trimethylphenyl)imidazolin-2-ylidene)AuH In dichloromethane at 40℃; for 12h; Inert atmosphere; | A n/a B 53% |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With 4,5-bis-(di-tert-butyl-phosphanyl)-9,9-dimethyl-9H-xanthene; [t-BuXantphosAu]+[Cl-Au-Cl]-; diphenylsilane; acetic acid In 1,2-dichloro-ethane at 80℃; for 24h; Inert atmosphere; | 12 %Spectr. |
- 771-69-7
2,3,4-trifluoronitrobenzene
A
- 369-34-6
3,4-difluoronitrobenzene
B
- 6921-22-8
1,2-difluoro-3-nitrobenzene
C
- 3862-73-5
2,3,4-trifluoroaniline
Conditions
| Conditions | Yield |
|---|---|
| With Dimethylphenylsilane; o-phenylenebis(diphenylphosphine); potassium tert-butylate; copper(l) chloride In tetrahydrofuran for 12h; Inert atmosphere; Reflux; Overall yield = 95 %Spectr.; regioselective reaction; |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With potassium carbonate In 1,4-dioxane; ethanol at 20℃; Inert atmosphere; | 100% |
| With lithium aluminium tetrahydride In methanol; ethanol at 70℃; for 0.75h; Inert atmosphere; Sealed tube; UV-irradiation; | 100% |
| In methanol; ethanol at 70℃; for 0.5h; Microwave heating; |
- 6921-22-8
1,2-difluoro-3-nitrobenzene
- 100-53-8
phenylmethanethiol
- 1242618-47-8
2-(benzylsulfanyl)-1-fluoro-3-nitrobenzene
Conditions
| Conditions | Yield |
|---|---|
| With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 2h; regioselective reaction; | 99% |
- 138022-04-5
tert-butyl N-methyl-N-(piperidin-4-ylmethyl)carbamate
- 6921-22-8
1,2-difluoro-3-nitrobenzene
- 1350918-33-0
tert-butyl (1-(2-fluoro-6-nitrophenyl)piperidin-4-yl)methyl(methyl)carbamate
Conditions
| Conditions | Yield |
|---|---|
| With N-ethyl-N,N-diisopropylamine In acetonitrile at 80℃; for 18h; | 99% |
- 6921-22-8
1,2-difluoro-3-nitrobenzene
- 141-43-5
ethanolamine
- 796973-02-9
2-[(2-fluoro-6-nitrophenyl)amino]ethanol
Conditions
| Conditions | Yield |
|---|---|
| In ethanol at 20℃; | 97% |
- 2971-79-1
isonipecotic acid methyl ester
- 6921-22-8
1,2-difluoro-3-nitrobenzene
- 1350918-47-6
methyl 1-(2-fluoro-6-nitrophenyl)piperidine-4-carboxylate
Conditions
| Conditions | Yield |
|---|---|
| With N-ethyl-N,N-diisopropylamine In acetonitrile at 80℃; | 97% |
Conditions
| Conditions | Yield |
|---|---|
| With potassium carbonate In N,N-dimethyl-formamide at 65℃; | 90% |
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2,3-Difluoronitrobenzene
Chemistry
The molecular formula of 2,3-Difluoronitrobenzene(6921-22-8) is C6 H3 F2 NO2 and its formula weight is 159.09.
The density of 2,3-Difluoronitrobenzene(6921-22-8) is 1.45 g/cm3 and it has a boiling point of 219 °C at 760 mmHg . The refractive index is about 1.509 . Its flash point is 93.1 °C .
The chemical synonyms of 2,3-Difluoronitrobenzene(6921-22-8) are 2,3-DIFLUORONITROBENZENE;1,2-difluoro-3-nitrobenzene;2,3-Difluoro-1-Nitrobenzene;Benzene, 1,2-difluoro-3-nitro- (7CI,8CI,9CI)
The molecular structure of 2,3-Difluoronitrobenzene(6921-22-8):
The density of 2,3-Difluoronitrobenzene(6921-22-8) is 1.45 g/cm3 and it has a boiling point of 219 °C at 760 mmHg . The refractive index is about 1.509 . Its flash point is 93.1 °C .
The chemical synonyms of 2,3-Difluoronitrobenzene(6921-22-8) are 2,3-DIFLUORONITROBENZENE;1,2-difluoro-3-nitrobenzene;2,3-Difluoro-1-Nitrobenzene;Benzene, 1,2-difluoro-3-nitro- (7CI,8CI,9CI)
The molecular structure of 2,3-Difluoronitrobenzene(6921-22-8):
Safety Profile
Hazard Codes Xi
Hazard Note Irritant
Hazard Note Irritant