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CAS No.: | 25462-61-7 |
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Name: | 2,5-Dibromo-1,4-phenylenediamine |
Article Data: | 6 |
Molecular Structure: | |
Formula: | C6H6Br2N2 |
Molecular Weight: | 265.935 |
Synonyms: | 2,5-Dibrom-p-phenylendiamin;1,4-diamino-2,5-dibromobenzene;2.5-Dibrom-1.4-diamino-benzol;2,5-dibromo-4-aminoaniline;2.5-Dibrom-phenylendiamin-(1.4);WT1389;2,5-dibromo-p-phenylenediamine;1,4-Benzenediamine,2,5-dibromo;2,5-dibromo-1,4-phenylenediamine; |
Density: | 2.104 |
Melting Point: | 187-188℃ |
Boiling Point: | 332.9±37.0 °C(Predicted) |
PSA: | 52.04000 |
LogP: | 3.53840 |
2,5-dibromo-1,4-phenylenediamine
Conditions | Yield |
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With methanol; sodium hydroxide at 80℃; for 6h; Temperature; | 90.84% |
2,5-dibromo-4-nitroaniline
2,5-dibromo-1,4-phenylenediamine
Conditions | Yield |
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With hydrogenchloride; tin In ethanol; water at 0 - 20℃; for 16h; Inert atmosphere; | 88% |
With hydrogenchloride; tin In ethanol; water at 20℃; for 12h; Inert atmosphere; | 66% |
1,4-dibromo-2,5-bisnitrobenzene
2,5-dibromo-1,4-phenylenediamine
Conditions | Yield |
---|---|
With hydrogenchloride; tin |
N-(2,5-dibromo-4-nitrophenyl)acetamide
2,5-dibromo-1,4-phenylenediamine
Conditions | Yield |
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With hydrogenchloride; tin(ll) chloride In ethanol Heating; Yield given; | |
Multi-step reaction with 2 steps 1: hydrogenchloride; water / 32 h / Reflux 2: hydrogenchloride; tin / water; ethanol / 12 h / 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: hydrogenchloride / water / 41 h / Reflux; Inert atmosphere 2: hydrogenchloride; tin / water; ethanol / 16 h / 0 - 20 °C / Inert atmosphere View Scheme |
hydrogenchloride
1,4-dibromo-2,5-bisnitrobenzene
2,5-dibromo-1,4-phenylenediamine
A
hydrogenchloride
B
2,5-dibromo-1,4-phenylenediamine
Conditions | Yield |
---|---|
beim Erhitzen; |
1.4-dibromobenzene
2,5-dibromo-1,4-phenylenediamine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: HNO3+H2SO4 2: tin; hydrochloric acid View Scheme | |
Multi-step reaction with 6 steps 1: nitric acid; sulfuric acid / dichloromethane / 40 °C / Cooling with ice 2: tin(II) chloride dihdyrate / ethanol / 4 h / 80 °C 3: triethylamine / ethyl acetate / 2 h / 70 °C 4: nitric acid; sulfuric acid / 0.67 h / 30 °C 5: acetic acid; iron / 2 h / 100 °C 6: sodium hydroxide; methanol / 6 h / 80 °C View Scheme |
N-(2,5-dibromophenyl)acetamide
2,5-dibromo-1,4-phenylenediamine
Conditions | Yield |
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Multi-step reaction with 3 steps 1: sulfuric acid; nitric acid / water / 2 h / 10 °C / Cooling with ice 2: hydrogenchloride; water / 32 h / Reflux 3: hydrogenchloride; tin / water; ethanol / 12 h / 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 3 steps 1: sulfuric acid; nitric acid / water / 2 h / 6 °C / Inert atmosphere 2: hydrogenchloride / water / 41 h / Reflux; Inert atmosphere 3: hydrogenchloride; tin / water; ethanol / 16 h / 0 - 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 3 steps 1: nitric acid; sulfuric acid / 0.67 h / 30 °C 2: acetic acid; iron / 2 h / 100 °C 3: sodium hydroxide; methanol / 6 h / 80 °C View Scheme |
2,5-dibromoaniline
2,5-dibromo-1,4-phenylenediamine
Conditions | Yield |
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Multi-step reaction with 4 steps 1: water / 12 h / Reflux; Inert atmosphere 2: sulfuric acid; nitric acid / water / 2 h / 6 °C / Inert atmosphere 3: hydrogenchloride / water / 41 h / Reflux; Inert atmosphere 4: hydrogenchloride; tin / water; ethanol / 16 h / 0 - 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 4 steps 1: triethylamine / ethyl acetate / 2 h / 70 °C 2: nitric acid; sulfuric acid / 0.67 h / 30 °C 3: acetic acid; iron / 2 h / 100 °C 4: sodium hydroxide; methanol / 6 h / 80 °C View Scheme |
1,4-dibromo-2-nitrobenzene
2,5-dibromo-1,4-phenylenediamine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: tin(II) chloride dihdyrate / ethanol / 4 h / 80 °C 2: triethylamine / ethyl acetate / 2 h / 70 °C 3: nitric acid; sulfuric acid / 0.67 h / 30 °C 4: acetic acid; iron / 2 h / 100 °C 5: sodium hydroxide; methanol / 6 h / 80 °C View Scheme |