3,5-Dichlorobenzylbromide
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3,5-Dichlorobenzylbromide
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CAS No:
7778-01-0
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Formula:
C7?H5?Br?Cl2?
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Chemical Name:
3,5-Dichlorobenzylbromide
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Synonyms:
1-(BROMOMETHYL)-3,5-DICHLOROBENZENE;3,5-dichlorobenzyl bromide;BENZENE, 1-(BROMOMETHYL)-3,5-DICHLORO-;Benzene,1-(bromomethyl)-3,5-dichloro-;1-bromomethyl-3,5-dichlorobenzene;3,5 Dichlorobenzyl bromide;SCHEMBL1500773;CTK5E4898;DTXSID90503378;KS-00001AK7
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CAS No:
Safety Information
P260, P261, P264, P270, P271, P280, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P312, P321, P322, P330, P361, P363, P403+P233, P405, P501
H301
|Danger|H301 (50%): Toxic if swallowed [Danger Acute toxicity, oral]|P260, P261, P264, P270, P271, P280, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P312, P321, P322, P330, P361, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 2 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
3,5-Dichlorobenzylbromide Use and Manufacturing
A solution of bromine (3.17ml, 61 mmol) in carbon tetrachloride (50ml) was added to a solution of triphenylphosphine (16.13g, 61 mmol) in carbon tetrachloride (250ml). 3, 5-Dichlorobenzyl alcohol (10.0g, 56mmol) was added as a solution in carbon tetrachloride (50ml) and the reaction mixture was heated at reflux for 45 minutes. Hexane was added. The mixture was filtered through silica and washed with hexane. The filtrate was concentrated under reduced pressure to provide the title compound (12.79g, 95percent). Example 12. Benzyl-[l-(3, 5-dichloro-benzyl)-lH-imidazol-2-yl]-amine EPO A solution of bromine (3.17ml, 61 mmol) in carbon tetrachloride (50ml) was added to a solution of triphenylphosphine (16.13g, 61 mmol) in carbon tetrachloride (250ml). 3, 5-Dichlorobenzyl alcohol (10.0g, 56mmol) was added as a solution in carbon tetrachloride (50ml) and the reaction mixture was heated at reflux for 45 minutes. Hexane was added. The mixture was filtered through silica and washed with hexane. The filtrate was concentrated under reduced pressure to provide the title compound (12.79g, 95%). 1H-NMR (400MHz, CDCl3) : delta = 4.37 (s, 2H), 7.24-7.28 (m, 3H).Example 12. Benzyl-[l-(3, 5-dichloro-benzyl)-lH-imidazol-2-yl]-amine EPO Reference (1) To 100 ml of a dichloromethane solution containing 10.0 g of 3, 5-dichlorobenzyl alcohol was added 15.3g of Phosphorus tribromide, and the mixture was stirred at room temperature for 16 hours. To the reaction mixture were added chloroform and water, the mixture was separated, and the organic layer was washed with brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure to give 13.6 g of 3, 5-dichlorobenzylbromide shown in the following Table 72.
Computed Properties
Molecular Weight:239.92
XLogP3:3.7
Rotatable Bond Count:1
Exact Mass:237.89517
Monoisotopic Mass:237.89517
Heavy Atom Count:10
Complexity:97.8
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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