Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
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inquiry2-Bromo-2',4'-dichloroacetophenone CAS:2631-72-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
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inquiryProduct Name: 2-Bromo-2',4'-dichloroacetophenone Synonyms: 2-bromo-1-(2,4-dichlorophenyl)ethan-1-one;ALPHA-BROMO-2',4'-DICHLOROACETOPHENONE;W-BROMO-2,4-DICHLORO ACETOPHENONE;2-BROMO-2",4"-DICHLOROCETOPHENONE;2-BROMO-2&
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inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermediat
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inquiryHigh 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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Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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inquiryConditions | Yield |
---|---|
With bromine In 1,4-dioxane; diethyl ether for 0.5h; Ambient temperature; | 100% |
With copper(ll) bromide In chloroform; ethyl acetate at 40℃; for 2h; | 100% |
With dihydrogen peroxide; bromine; sodium carbonate In dichloromethane at 20 - 40℃; Green chemistry; | 91.4% |
1-(2,4-dichlorophenyl)ethan-1-one
A
2,2-dibromo-1-(2,4-dichlorophenyl)ethanone
B
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
With trimethylsilyl bromide; potassium nitrate In dichloromethane at 20℃; for 48h; | A n/a B 72% |
2,2-dibromo-1-(2,4-dichlorophenyl)ethanone
phosphorous acid trimethyl ester
A
2,4-dichlorophenacyl bromide
B
O,O-dimethyl-O-<1-(2,4-dichlorophenyl)-2-bromo>vinyl phosphate (isomer Z)
Conditions | Yield |
---|---|
In methanol for 0.25h; Heating; Title compound not separated from byproducts; | A 45% B 10% |
1-(2,4-dichlorophenyl)ethan-1-one
A
α-bromo-2,4-dibromoacetophenone
B
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
With bromine In acetic acid at 35 - 40℃; for 2h; |
diethyl ether
water
1-(2,4-dichlorophenyl)ethan-1-one
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
With bromine |
bromoacetic anhydride
1,3-Dichlorobenzene
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
Stage #1: bromoacetic anhydride With aluminum (III) chloride In dichloromethane at 25℃; for 0.5h; Stage #2: 1,3-Dichlorobenzene In dichloromethane for 16h; Reflux; |
Conditions | Yield |
---|---|
Stage #1: 2-Bromoacetyl bromide With aluminum (III) chloride In dichloromethane at 25℃; for 0.5h; Stage #2: 1,3-Dichlorobenzene In dichloromethane for 16h; Reflux; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: aluminum (III) chloride / 1,2-dichloro-benzene / 0.33 h 1.2: Cooling with ice 2.1: aluminum (III) chloride; bromine / diethyl ether / Cooling with ice View Scheme | |
Multi-step reaction with 2 steps 1: calcium chloride; hydrogenchloride; aluminum (III) chloride / water / 0.83 h 2: aluminum (III) chloride; bromine / diethyl ether / Cooling with ice View Scheme | |
Multi-step reaction with 2 steps 1: 4 h / 60 °C / Ionic liquid; Green chemistry 2: dihydrogen peroxide; sodium carbonate; bromine / dichloromethane / 20 - 40 °C / Green chemistry View Scheme |
2-bromoacetyl chloride
1,3-Dichlorobenzene
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
With aluminum (III) chloride for 0.666667h; Friedel-Crafts Acylation; Cooling with ice; Inert atmosphere; |
2,4-dichlorophenacyl bromide
2-mercapto-5-(3,4-methylenedioxyphenyl)-1,3,4-oxadiazole
2-(5-Benzo[1,3]dioxol-5-yl-[1,3,4]oxadiazol-2-ylsulfanyl)-1-(2,4-dichloro-phenyl)-ethanone
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol | 98% |
2,4-dichlorophenacyl bromide
(S)-2-bromo-1-(2,4-dichlorophenyl)ethan-1-ol
Conditions | Yield |
---|---|
With B-chlorodiisopinocampheylborane In tetrahydrofuran at -25℃; for 16h; | 98% |
Stage #1: 2,4-dichlorophenacyl bromide With borane Ν,Ν-diethylaniline complex; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole In tetrahydrofuran; toluene at 20 - 30℃; for 1h; Stage #2: With methanol In tetrahydrofuran; toluene Cooling; | 72% |
2,4-dichlorophenacyl bromide
1,2-diamino-benzene
2-(2, 4-dichlorophenyl)quinoxaline
Conditions | Yield |
---|---|
With polymeric resin-bound hexafluorophosphate ion In methanol; water at 20℃; for 6.5h; | 98% |
With potassium fluoride on basic alumina at 20℃; for 2h; | 93% |
With γ-maghemite-silica nanocomposite In neat (no solvent) for 6h; Green chemistry; | 88% |
2,4-dichlorophenacyl bromide
malononitrile
2-(2-(3,4-dichlorophenyl)-2-oxoethyl)malononitrile
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran | 97.5% |
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 0 - 20℃; for 1.8h; | 97% |
Conditions | Yield |
---|---|
With triethylamine In ethanol for 4h; Reflux; | 97% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene for 30h; Reflux; | 96% |
With toluene-4-sulfonic acid In butan-1-ol; benzene for 6h; Reflux; | 92.54% |
With toluene-4-sulfonic acid In butan-1-ol; benzene at 87 - 88.5℃; for 5h; Reagent/catalyst; Solvent; Temperature; | 83.22% |
thiosemicarbazide
2,4-dichlorophenacyl bromide
3,4-dihydronaphthalene-1(2H)-one
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 0.0833333h; Solvent; Temperature; regioselective reaction; | 96% |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In ethyl acetate at 90℃; for 3h; | 96% |
2,4-dichlorophenacyl bromide
5-(3,4,5-trimethoxyphenyl)-1,3,4-oxadiazole-2-thiol
1-(2,4-Dichloro-phenyl)-2-[5-(3,4,5-trimethoxy-phenyl)-[1,3,4]oxadiazol-2-ylsulfanyl]-ethanone
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol | 95% |
In acetone at 40℃; for 1h; | 80% |
2,4-dichlorophenacyl bromide
diethyl 1H-pyrazole-3,5-dicarboxylate
diethyl 1-[2-(2,4-dichlorophenyl)-2-oxoethyl]-1H-pyrazole-3,5-dicarboxylate
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 20℃; for 12h; | 94% |
2,4-dichlorophenacyl bromide
2-bromo-1-(2,4-dichlorophenyl)ethanol
Conditions | Yield |
---|---|
Stage #1: 2,4-dichlorophenacyl bromide With sodium tetrahydroborate In methanol at 0 - 20℃; for 1.5h; Inert atmosphere; Stage #2: With water In methanol | 94% |
With sodium tetrahydroborate In isopropyl alcohol at 3 - 20℃; for 2h; | 57% |
5-{[4-(2-methoxyphenyl)piperazin-1-yl]methyl}-4-phenyl-4H-1,2,4-triazole-3-thiol
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
Stage #1: 5-{[4-(2-methoxyphenyl)piperazin-1-yl]methyl}-4-phenyl-4H-1,2,4-triazole-3-thiol With sodium ethanolate In ethanol for 0.0666667h; Sonication; Green chemistry; Stage #2: 2,4-dichlorophenacyl bromide In ethanol for 0.1h; Sonication; Green chemistry; | 94% |
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
Stage #1: 5-{[4-(2-methoxyphenyl)piperazin-1-yl]methyl}-4-benzyl-4H-1,2,4-triazole-3-thiol With sodium ethanolate In ethanol for 0.0666667h; Sonication; Green chemistry; Stage #2: 2,4-dichlorophenacyl bromide In ethanol for 0.1h; Sonication; Green chemistry; | 94% |
Conditions | Yield |
---|---|
With triethylamine In acetone at 55℃; for 0.333333h; Sonication; Green chemistry; | 94% |
Conditions | Yield |
---|---|
In ethanol; N,N-dimethyl-formamide at 80℃; for 5h; | 93% |
Conditions | Yield |
---|---|
Stage #1: thiosemicarbazide; 3-Nitroacetophenone With acetic acid at 70 - 75℃; for 1.3h; Green chemistry; Stage #2: 2,4-dichlorophenacyl bromide at 70 - 75℃; for 0.416667h; Green chemistry; | 93% |
1-indanone thiosemicarbazone
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
With triethylamine In ethanol at 80℃; | 93% |
1H-imidazole
2,4-dichlorophenacyl bromide
1-(2,4-dichlorophenyl)-2-(imidazol-1-yl)ethanone
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 10℃; Reagent/catalyst; | 92% |
In tetrahydrofuran at 20℃; for 1.5h; Inert atmosphere; | 87% |
With potassium carbonate at 20℃; | 78% |
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
In ethanol at 100℃; under 7500.75 Torr; for 0.0833333h; Hantzsch Thiazole Synthesis; Microwave irradiation; | 92% |
(Z)-3-chloro-3-(4-chlorophenyl)acrylaldehyde
thiosemicarbazide
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
Stage #1: (Z)-3-chloro-3-(4-chlorophenyl)acrylaldehyde; thiosemicarbazide With acetic acid at 70 - 75℃; Green chemistry; Stage #2: 2,4-dichlorophenacyl bromide Heating; Green chemistry; | 92% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 4h; Reflux; Green chemistry; | 91.9% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 4h; Reflux; | 91.65% |
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
Stage #1: C22H25FN6O2S With sodium ethanolate In ethanol for 0.0666667h; Sonication; Green chemistry; Stage #2: 2,4-dichlorophenacyl bromide In ethanol for 0.1h; Sonication; Green chemistry; | 91% |
2,4-dichlorophenacyl bromide
5-(4-ethoxy-3,5-dimethoxy-phenyl)-3H-[1,3,4]oxadiazole-2-thione
1-(2,4-Dichloro-phenyl)-2-[5-(4-ethoxy-3,5-dimethoxy-phenyl)-[1,3,4]oxadiazol-2-ylsulfanyl]-ethanone
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol | 90% |
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol 15-20 min, reflux, 1-2 h, r.t.; | 90% |
2,4-dichlorophenacyl bromide
phosphorous acid trimethyl ester
A
O,O-dimethyl-O-<1-(2,4-dichlorophenyl)-2-bromo>vinyl phosphate (isomer Z)
C
1-(2,4-dichlorophenyl)ethan-1-one
Conditions | Yield |
---|---|
In methanol for 0.25h; Title compound not separated from byproducts; | A 90% B 3.3% C 3.3% |
In methanol for 0.25h; Mechanism; Heating; other phenacyl and phenacylidene halides; |
4-amino-3-(D-glucoheptonic-hexitol-1-yl)-1H-1,2,4-triazole-5-thione
2,4-dichlorophenacyl bromide
6-(2,4-dichlorophenyl)-3-(D-glucoheptonic-hexitol-1-yl)-7H-1,2,4-triazolo[3,4-b][1,3,4]thiadiazine
Conditions | Yield |
---|---|
In ethanol for 4h; Heating; | 90% |
5-acetyl-4-methylthiazole-2-amine
2,4-dichlorophenacyl bromide
Conditions | Yield |
---|---|
With polyethylene glycol (PEG-400) In water for 0.133333h; Microwave irradiation; Green chemistry; | 90% |
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