2-Bromo-5-chlorobenzenamine
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2-Bromo-5-chlorobenzenamine
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CAS No:
823-57-4
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Formula:
C6H5BrClN
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Chemical Name:
2-Bromo-5-chlorobenzenamine
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Synonyms:
Benzenamine,2-bromo-5-chloro-;Aniline,2-bromo-5-chloro-;2-Bromo-5-chlorobenzenamine;2-Bromo-5-chloroaniline;2-Bromo-5-chloro-phenylamine
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CAS No:
Safety Information
20/21/22-36/37/38
26-36/37/39
Xi: Irritant;
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P501
H302
|Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, and P501|Aggregated GHS information provided by 3 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
2-Bromo-5-chlorobenzenamine Use and Manufacturing
A mixture of 1-bromo-4-chloro-2-nitro-benzene (10.0 g, 42.3 mmol) and SnClStep 1: Preparation of Compound a25 (0677) (0678) To a solution of Compound a24 (1.5 g, 6.34 mmol) in ethanol (15 mL) was added tin chloride dihydrate (5.73 g, 25.4 mmol), and the solution was stirred at 60° C. for 1 hour. To the reaction solution was added ethyl acetate and 4 mol/L sodium hydroxide aqueous solution (12.69 ml, 50.8 mmol), the precipitated solid was filtered. The organic layer was concentrated under reduced pressure to yield Compound a25 (1.29 g, yield: 98percent) as a pale brown solid. (0679) l-Bromo-4-chloro-2-nitrobenzene (140 g, 0.59 mol) was dissolved in 2.5 L of MeOH with gentle heating (5OCompound 16-2 (0416) To a solution of 16-1 (6.50 g, 27.66 mmol) and NiClTo a solution of 4-bromo-1-chloro-2-nitrobenzene (2.94 g, 12.43 minol) in AcOH (50 mL) was added Fe powder (5.67 g, 100.52 minol) at room temperature. The resultingminxture was stirred for 1 h at 80 °C. When the reaction was done, the solids in the reactionminxture were filtered out and the filtrate was concentrated under reduced pressure. The pH value of the residue was adJusted to 7-8 with sodium hydroxide solution (2N). The resultingminxture was extracted with ethyl acetate (100 mL x 3). The organic phases were combined, washed with brine and dried over Na2SO4. The solvent was removed under reduced pressure to yield 5-bromo-2-chloroaniline as yellow solid (2.06 g, 80percent). MS: m/z = 207.9 [M+Hj.The corresponding imidazopyridine (0.2 mmol) was added sequentially to a 25 ml Schlenk tube filled with oxygen and equipped with a magnetic stirrer at room temperature.Cuprous bromide (0.02 mmol), The corresponding imidazopyridine (0.2 mmol) was added sequentially to a 25 ml Schlenk tube filled with oxygen and equipped with a magnetic stirrer at room temperature.Cuprous bromide (0.02 mmol),
Computed Properties
Molecular Weight:206.47
XLogP3:3
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:1
Exact Mass:204.92939
Monoisotopic Mass:204.92939
Topological Polar Surface Area:26
Heavy Atom Count:9
Complexity:99.1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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