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inquiryProduct Description Product website: http://www.finerchem.com Product Name 1,4-Bis(Bromomethyl)benzene CAS No. 623-24-5 Appeara
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inquiry1,4-Bis (Bromomethyl) Benzene[CAS:623-24-5] HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing &a
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inquiryProduct Name: alpha,alpha'-Dibromo-p-xylene Synonyms: 1,4-bis(bromomethyl)-benzen;1,4-Di(brommethyl)-benzen;1,4-Dibromomethylbenzene;p-(Bromomethyl)benzene;p-alpha,alpha'-Dibromoxylene
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inquiryalpha,alpha'-Dibromo-p-xylene Chemical Properties Melting point 143-145 °C(lit.) Boiling point 245 °C(lit.) density 2.012 refractive index 1.614 Fp 155-158°C/14mm solubility dioxane: soluble1g/10 mL (hot) form
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High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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inquiryConditions | Yield |
---|---|
With Silphos; bromine In acetonitrile for 0.166667h; Heating; | 97% |
With hydrogen bromide bei der Destillation; |
Conditions | Yield |
---|---|
With N-Bromosuccinimide; dibenzoyl peroxide In tetrachloromethane for 4h; Bromination; Heating; | 90% |
With hydrogen bromide; sodium bromide In chloroform; water at 0 - 2℃; Electrolysis; | 90% |
With hydrogen bromide; sodium bromide In chloroform; water at 15℃; Electrolysis; | 90% |
Conditions | Yield |
---|---|
With isopinocampheyl-boron dibromide dimethylsulfide complex In hexane at 20℃; for 5h; Reduction; bromination; | 81% |
Conditions | Yield |
---|---|
With sodium bromate; sodium hydrogensulfite In water; ethyl acetate at 20℃; for 4h; Bromination; | A 70% B 6% |
With N-Bromosuccinimide In water at 25℃; for 22h; Wohl-Ziegler bromination; | A 3% B 66% |
With hydrogen bromide; dihydrogen peroxide In water at 20℃; Irradiation; | A 10% B 62% |
Conditions | Yield |
---|---|
With [2,5-Me2C6H3SO2N(Br)CH2]2; dibenzoyl peroxide In tetrachloromethane at 77℃; for 1.5h; Bromination; | 62% |
Conditions | Yield |
---|---|
With phosphoric acid; hydrogen bromide; acetic acid at 95 - 110℃; Einleiten von HBr; |
Conditions | Yield |
---|---|
With tetrachloromethane; hydrogen bromide; zinc dibromide | |
With hydrogen bromide; acetaldehyde |
bis(bromomethyl) ether
(E)-3-Ureido-but-2-enoic acid ethyl ester
benzene
A
1,4-bis(bromomethyl)benzene
B
benzyl bromide
Conditions | Yield |
---|---|
With zinc(II) chloride |
bis(bromomethyl) ether
benzene
A
1,4-bis(bromomethyl)benzene
B
benzyl bromide
Conditions | Yield |
---|---|
With zinc(II) chloride |
Conditions | Yield |
---|---|
With bromine |
Conditions | Yield |
---|---|
With bromine |
para-xylene
A
1,4-bis(bromomethyl)benzene
B
1-(dibromomethyl)-4-methylbenzene
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); 1,3,4,6-Tetrabromo-3α,6α-diphenylglycoluril In tetrachloromethane at 81℃; for 2h; Inert atmosphere; | A 61 %Chromat. B 30 %Chromat. C 9 %Chromat. |
1,4-bis(bromomethyl)benzene
Conditions | Yield |
---|---|
In methanol; chloroform Heating; | 100% |
1H-imidazole
1,4-bis(bromomethyl)benzene
1,4-bis(imidazol-l-yl-methyl)benzene
Conditions | Yield |
---|---|
Stage #1: 1H-imidazole With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 2h; Inert atmosphere; Stage #2: 1,4-bis(bromomethyl)benzene In tetrahydrofuran; mineral oil for 6h; Reflux; Inert atmosphere; | 100% |
Stage #1: 1H-imidazole With potassium hydroxide In acetonitrile at 20℃; for 2h; Stage #2: 1,4-bis(bromomethyl)benzene In acetonitrile at 20℃; for 1.5h; | 88% |
With potassium hydroxide In isopropyl alcohol | 80% |
1,4-bis(bromomethyl)benzene
triphenylphosphine
p-xylenebis(triphenylphosphonium) dibromide
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 3h; Heating; | 100% |
In N,N-dimethyl-formamide at 20℃; for 4h; | 98% |
In dichloromethane at 40℃; for 4h; | 95% |
1,4-bis(bromomethyl)benzene
Conditions | Yield |
---|---|
With chromium chloride; tetrabutylammonium tetrafluoroborate In N,N-dimethyl-formamide Electrolysis; | 100% |
1,4-bis(bromomethyl)benzene
p-xylylene diazide
Conditions | Yield |
---|---|
With sodium azide In dimethyl sulfoxide at 20℃; for 18h; | 100% |
With sodium azide In dimethyl sulfoxide at 20℃; for 1h; | 98% |
With sodium azide In N,N-dimethyl-formamide at 60℃; for 10h; | 97% |
1,4-bis(bromomethyl)benzene
cis-4,7,11,14-tetraazaperhydropyrene
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 168h; | 100% |
Conditions | Yield |
---|---|
Stage #1: 1,4-bis(bromomethyl)benzene With thiourea In ethanol for 4h; Inert atmosphere; Stage #2: With water; sodium hydroxide for 0.5h; Inert atmosphere; Reflux; | 100% |
With potassium carbonate; tiolacetic acid In methanol at 20℃; for 1h; | 100% |
With thioacetic acid; potassium carbonate In methanol at 20℃; for 0.5h; | 98% |
1,4-bis(bromomethyl)benzene
1,4-bis<<(2-aminoethyl)amino>methyl>benzene
Conditions | Yield |
---|---|
Stage #1: 1,4-bis(bromomethyl)benzene; bis(tert-butoxyaminoethyl)amine With potassium carbonate In acetonitrile at 60℃; for 12h; Stage #2: With hydrogenchloride In diethyl ether | 100% |
1,4-bis(bromomethyl)benzene
6-(3,4-dimethoxy-phenyl)-2,3,4,5-tetrahydropyridazin-3-one
Conditions | Yield |
---|---|
Stage #1: 6-(3,4-dimethoxy-phenyl)-2,3,4,5-tetrahydropyridazin-3-one With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0℃; Stage #2: 1,4-bis(bromomethyl)benzene In N,N-dimethyl-formamide; mineral oil for 0.25h; | 100% |
1,4-bis(bromomethyl)benzene
(R,R)-4,4'-diisopropyl-2,2'-methylenebis(1,3-oxazoline)
1,4-bis[2,2-bis((S)-4-isopropyl-4,5-dihydrooxazol-2-yl)ethyl]benzene
Conditions | Yield |
---|---|
Stage #1: 2,2'-methylenebis[(4S)-4-isopropyl-4,5-dihydro-oxazole] With potassium tert-butylate In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Stage #2: 1,4-bis(bromomethyl)benzene In tetrahydrofuran at 80℃; for 10h; Inert atmosphere; | 100% |
Stage #1: 2,2'-methylenebis[(4S)-4-isopropyl-4,5-dihydro-oxazole] With potassium tert-butylate In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Stage #2: 1,4-bis(bromomethyl)benzene In tetrahydrofuran for 10h; Inert atmosphere; Heating; | 100% |
Stage #1: 2,2'-methylenebis[(4S)-4-isopropyl-4,5-dihydro-oxazole] With potassium tert-butylate Stage #2: 1,4-bis(bromomethyl)benzene |
1,4-bis(bromomethyl)benzene
2,2-bis[(4S)-4-isopropyloxazolin-2-yl]propane
1,4-bis[2,2-bis((S)-4-isopropyl-4,5-dihydrooxazol-2-yl)ethyl]benzene
Conditions | Yield |
---|---|
Stage #1: 2,2-bis[(4S)-4-isopropyloxazolin-2-yl]propane With potassium tert-butylate In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Stage #2: 1,4-bis(bromomethyl)benzene In tetrahydrofuran at 77℃; Inert atmosphere; Heating; | 100% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; for 48h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
Stage #1: 5-bromo-1H-indole-3-carboxaldehyde With potassium hydroxide In dimethyl sulfoxide at 20℃; for 1h; Stage #2: 1,4-bis(bromomethyl)benzene In dimethyl sulfoxide for 1h; | 100% |
Conditions | Yield |
---|---|
In acetone for 10h; Substitution; Heating; | 99.6% |
1,4-bis(bromomethyl)benzene
1-methyl-4-(4-pyridyl)pyridinium iodide
Conditions | Yield |
---|---|
In acetonitrile at 130℃; for 0.166667h; Microwave irradiation; | 99% |
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 20℃; for 0.25h; | 99% |
Conditions | Yield |
---|---|
In acetone for 12h; Reflux; | 99% |
In propan-1-ol for 9h; | 95% |
In ethanol for 48h; Reflux; | 73% |
1,4-bis(bromomethyl)benzene
(S,S)-2,2'-methylenebis(4-tert-butyl-2-oxazoline)
1,4-bis{2,2-bis[(S)-4-tert-butyl-4,5-dihydrooxazol-2-yl]ethyl}benzene
Conditions | Yield |
---|---|
Stage #1: (S,S)-2,2'-methylenebis(4-tert-butyl-2-oxazoline) With potassium tert-butylate In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Stage #2: 1,4-bis(bromomethyl)benzene In tetrahydrofuran for 10h; Inert atmosphere; Heating; | 99% |
Stage #1: (S,S)-2,2'-methylenebis(4-tert-butyl-2-oxazoline) With potassium tert-butylate Stage #2: 1,4-bis(bromomethyl)benzene |
1,4-bis(bromomethyl)benzene
(S,S)-2,2'-methylenebis(4-phenyl-2-oxazoline)
1,4-bis{2,2-bis[(4S)-4-phenyl-4,5-dihydrooxazol-2-yl]ethyl}benzene
Conditions | Yield |
---|---|
Stage #1: (S,S)-2,2'-methylenebis(4-phenyl-2-oxazoline) With potassium tert-butylate In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Stage #2: 1,4-bis(bromomethyl)benzene In tetrahydrofuran for 10h; Inert atmosphere; Heating; | 99% |
Stage #1: (S,S)-2,2'-methylenebis(4-phenyl-2-oxazoline) With potassium tert-butylate Stage #2: 1,4-bis(bromomethyl)benzene |
Conditions | Yield |
---|---|
Stage #1: 1,4-bis(bromomethyl)benzene; C32H22N4 In N,N-dimethyl-formamide at 20℃; for 48h; Stage #2: With ammonium hexafluorophosphate In water; N,N-dimethyl-formamide | 99% |
1,4-bis(bromomethyl)benzene
N1-trityl-N2-(2-(tritylamino)ethyl)ethane-1,2-diamine
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide; acetonitrile for 50h; Heating; | 98.6% |
1,4-bis(bromomethyl)benzene
(E)-1-(4-pyridyl)-2-(3,4,5-trimethoxyphenyl)ethene
A
1-(4-Bromomethyl-benzyl)-4-[(E)-2-(3,4,5-trimethoxy-phenyl)-vinyl]-pyridinium; bromide
Conditions | Yield |
---|---|
In various solvent(s) for 1h; Heating; | A 98% B n/a |
1,4-bis(bromomethyl)benzene
potassium selenocyanate
1,4-bis(selenocyanatomethyl)benzene
Conditions | Yield |
---|---|
In acetone for 4h; Ambient temperature; | 98% |
In N,N-dimethyl-formamide for 0.75h; Inert atmosphere; | 96% |
In acetone at 20℃; for 4h; Inert atmosphere; | 95.1% |
1,4-bis(bromomethyl)benzene
4,4'-bipyridine
1,1-[1,4-phenylenebis(methylene)]bis-4,4'-pyridylpiridinium bis(hexafluorophosphate)
Conditions | Yield |
---|---|
Stage #1: 1,4-bis(bromomethyl)benzene; 4,4'-bipyridine In acetonitrile Stage #2: With ammonium hexafluorophosphate In water | 98% |
With ammonium hexafluorophosphate In chloroform; acetonitrile for 5h; Heating; | 96% |
Stage #1: 1,4-bis(bromomethyl)benzene; 4,4'-bipyridine In acetonitrile at 60℃; for 8h; Sealed tube; Stage #2: With ammonium hexafluorophosphate In water | 45% |
1,4-bis(bromomethyl)benzene
4-[(E)-2-(4-pyridinyl)ethenyl]phenol
A
1-(4-Bromomethyl-benzyl)-4-[(E)-2-(4-hydroxy-phenyl)-vinyl]-pyridinium; bromide
Conditions | Yield |
---|---|
In various solvent(s) for 1h; Heating; | A 98% B n/a |
1,4-bis(bromomethyl)benzene
Tetraethylene glycol
1,4-bis(13-hydroxy-2,5,8,11-tetraoxatridecyl)benzene
Conditions | Yield |
---|---|
With sodium Williamson etherification; | 98% |
With sodium hydride at 40℃; for 48h; | 71% |
With potassium carbonate In acetone for 15h; Heating; | 53% |
With sodium 1.) 50 deg C; 2.) 60 deg C, 18 h; Yield given. Multistep reaction; |
1,4-bis(bromomethyl)benzene
cis-13-1,4,7,10-tetraazatetracyclo<5.5.2.04,14010,13>tetradecane
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 24h; | 98% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide Reflux; Inert atmosphere; | 98% |
In ethyl acetate at 78℃; for 48h; | 54% |
2-pyridinealdoxime
1,4-bis(bromomethyl)benzene
1-(2-bromomethylbenzyl)-4-hydroxyiminomethylpyridinium bromide
Conditions | Yield |
---|---|
With acetone for 2h; Reflux; | 98% |
In acetone Reflux; | |
In acetone at 20℃; |
1,4-bis(bromomethyl)benzene
3-pyridinealdoxime
1-(3-bromomethylbenzyl)-4-hydroxyiminomethylpyridinium bromide
Conditions | Yield |
---|---|
With acetone for 2h; Reflux; | 98% |
In acetone Reflux; | |
In acetone at 20℃; |
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