1-(5-Bromo-2,4-difluoro-phenyl)-ethanone
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1-(5-Bromo-2,4-difluoro-phenyl)-ethanone
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CAS No:
864773-64-8
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Formula:
C8H5BrF2O
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Chemical Name:
1-(5-Bromo-2,4-difluoro-phenyl)-ethanone
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Synonyms:
1-(5-Bromo-2,4-difluoro-phenyl)-ethanone;5'-Bromo-2',4'-difluoroacetophenone;5'-Bromo-2',4'-difluoroacetophenone 98%;1-(5-Bromo-2,4-difluorophenyl)ethan-1-one;5-broMo-2,4-difluoroacetophenobe;Ethanone, 1-(5-bromo-2,4-difluorophenyl)-;1-(5-Bromo-2,4-difluorophenyl)
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CAS No:
1-(5-Bromo-2,4-difluoro-phenyl)-ethanone Basic Attributes
235.027
233.949173
DTXSID50609789
2914700090
Safety Information
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
H315
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
1-(5-Bromo-2,4-difluoro-phenyl)-ethanone Use and Manufacturing
Preparation of intermediate 19: l-(5-bromo-2, 4-difluoro-phenyl)-ethanoneA mixture of A1C1Intermediate 18 (1-18)difluorophenyl)ethanoneA mixture of A1C11-(5-Bromo-2, 4-difluorophenyl)ethanone To a solution of 1, 5-dibromo-2, 4-difluorobenzene (Nucleosides, Nucleotides nucleic Acid, 201 (1 and2), 11-40 (2001) ) (8.8 g, 32.4 mmol) in diethylether (60 ml), 1.6 M n-BuLi in hexane (24.3 ml, 1.2 eq) was added at-78 C under N2 atmosphere. After stirring the reaction mixture at-78 C for 30 min, N-methyl-N- (methyloxy) acetamide (5.0 g, 1.5 eq) was dropped into to quench the reaction. The reaction mixture was stirred at the same temperature for further 30 min. After added acetic acid ( (5.2 ml), water (78 ml), the reaction mixture was extracted with diethylether. The obtained organic phase was washed by 0.2 N HCI aqueous, water, saturated NaHC03 aqueous and saturated NaCI aqueous, and dried over MgS04. After removing the solvent under reduced pressure, the residue was purified by Silica gel chromatography (n-Hexane/EtOAc = 49/1). Desired compound was obtained as pale yellow oil (4.94 g, 65percent).
Computed Properties
Molecular Weight:235.02
XLogP3:2.5
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:1
Exact Mass:233.94918
Monoisotopic Mass:233.94918
Topological Polar Surface Area:17.1
Heavy Atom Count:12
Complexity:186
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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1-(5-Bromo-2,4-difluoro-phenyl)-ethanone
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