As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:32454-35-6
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inquiryProduct description: Product name 2-(4-Bromophenyl)-2-methylpropionic acid CAS number 32454-35-6 Assay ≥99% Appearance White crystalline solid Capacity 200mt/year Application
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inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
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inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
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Cas:32454-35-6
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inquiry2-(4-Bromophenyl)-2-methylpropionic acid CAS:32454-35-6 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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inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
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inquiryJ&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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Cas:32454-35-6
Min.Order:1 Gram
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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
Cas:32454-35-6
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inquiryProduct Name: 2-(4-Bromophenyl)-2-methylpropionic acid Synonyms: 2-(4-Bromophenyl)(dimethyl)acetic acid, 2-(4-Bromophenyl)-2-methylpropionic acid;2-(4-Bromophenyl)-2-methylpropionic acid-3;2-METHYL-2-(4-BROMOPHENYL) PROPIONIC ACID;2-(4-BROMOPHE
Cas:32454-35-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
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inquiryWe have most reliable quality, competitive prices and full documents for this APIs 1. GMP WORKSHOP 2. DMF Appearance:Off-white to white solid powder Application:Bilasten intermediate
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Min.Order:100 Gram
Negotiable
Type:Trading Company
inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:32454-35-6
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
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inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:stored in a cool, dry and ventilated place to provent sun and rain Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediate
Cas:32454-35-6
Min.Order:1 Kilogram
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Type:Trading Company
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:32454-35-6
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inquiry2-Methyl-2-(P-Bromophenyl)Propionic AcidAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
Cas:32454-35-6
Min.Order:0
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:32454-35-6
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inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Cas:32454-35-6
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inquiry2-(4-bromophenyl)-2-methylpropanenitrile
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol; water at 80 - 85℃; for 18h; Hydrolysis; | 99% |
With water; potassium hydroxide In ethanol for 20h; Reflux; | 5.3 g |
With potassium hydroxide In ethylene glycol for 4h; Reflux; |
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
With water; sodium hydroxide In ethanol at 100℃; for 16h; | 99% |
methyl 2-(4-bromophenyl)-2,2-dimethylacetate
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
Stage #1: methyl 2-(4-bromophenyl)-2,2-dimethylacetate With water; lithium hydroxide In 1,4-dioxane at 50℃; for 5.5h; Stage #2: With hydrogenchloride In 1,4-dioxane; water | 94% |
Stage #1: methyl 2-(4-bromophenyl)-2,2-dimethylacetate With methanol; lithium hydroxide; water In tetrahydrofuran at 0 - 20℃; for 3h; Stage #2: With hydrogenchloride In water at 0℃; | |
Stage #1: methyl 2-(4-bromophenyl)-2,2-dimethylacetate With potassium hydroxide; ethanol; water at 90℃; for 15h; Stage #2: With hydrogenchloride; water pH=2.0; |
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
With water; sodium hydroxide In methanol for 2h; Reflux; | 86% |
2-methyl-2-phenylpropionic acid
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
Stage #1: 2-methyl-2-phenylpropionic acid With bromine; sodium carbonate In water at 25 - 30℃; pH=7; Stage #2: With hydrogenchloride In water pH=1 - 2; Product distribution / selectivity; | 81% |
Stage #1: 2-methyl-2-phenylpropionic acid With bromine; sodium hydrogencarbonate In water at 25 - 35℃; for 13h; Industry scale; Stage #2: With hydrogenchloride In water at 0 - 10℃; pH=5; Product distribution / selectivity; | 46.6% |
With tetrachloromethane; bromine; iron |
Ethyl 4-bromophenylacetate
methyl iodide
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
With sodium hydride |
2-(4-bromophenyl)-2-methyl-propionic acid ethyl ester
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
With methanol; sodium hydroxide; water In tetrahydrofuran at 20℃; for 16h; | |
Stage #1: 2-(4-bromophenyl)-2-methyl-propionic acid ethyl ester With methanol; potassium hydroxide; water at 0℃; for 2h; Heating / reflux; Stage #2: With hydrogenchloride; methanol In water |
potassium trimethylsilonate
methyl 2-(4-bromophenyl)-2,2-dimethylacetate
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran |
benzene
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: aluminum (III) chloride / Industry scale 2.1: sodium hydrogencarbonate; bromine / water / 13 h / 25 - 35 °C / Industry scale 2.2: 0 - 10 °C / pH 5 View Scheme | |
Multi-step reaction with 2 steps 1.1: aluminum (III) chloride / Industry scale 2.1: bromine; sodium carbonate / water / 25 - 30 °C / pH 7 2.2: pH 1 - 2 View Scheme |
2-(4-bromophenyl)propionic acid
methyl iodide
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
Stage #1: 2-(4-bromophenyl)propionic acid With lithium diisopropyl amide In tetrahydrofuran at 45℃; for 1h; Inert atmosphere; Cooling with ice; Stage #2: methyl iodide In tetrahydrofuran at 0 - 20℃; Inert atmosphere; |
(4-bromo-phenyl)-acetic acid methyl ester
methyl iodide
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
Stage #1: (4-bromo-phenyl)-acetic acid methyl ester; methyl iodide With sodium hydride Stage #2: With potassium hydroxide |
2-(4-bromophenyl)-2-methylpropionic acid
2,2-dimethyl-2-(4-bromophenyl)ethanol
Conditions | Yield |
---|---|
Stage #1: 2-(4-bromophenyl)-2-methylpropionic acid With borane-THF In tetrahydrofuran at 0 - 20℃; Stage #2: With hydrogenchloride In tetrahydrofuran; water | 100% |
With lithium aluminium tetrahydride; diethyl ether | |
With lithium aluminium tetrahydride In diethyl ether at -78 - 23℃; | |
With lithium aluminium tetrahydride In diethyl ether at 20℃; Inert atmosphere; |
methanol
2-(4-bromophenyl)-2-methylpropionic acid
methyl 2-(4-bromophenyl)-2,2-dimethylacetate
Conditions | Yield |
---|---|
With sulfuric acid; acetonitrile at 80 - 85℃; for 16 - 18h; | 98% |
With sulfuric acid In toluene at 63 - 67℃; for 16h; Industry scale; | 79% |
With sulfuric acid In toluene at 63 - 67℃; for 16h; Industry scale; | 79% |
tert-butyl methyl ether
2-(4-bromophenyl)-2-methylpropionic acid
methyl 2-(4-bromophenyl)-2,2-dimethylacetate
Conditions | Yield |
---|---|
With sulfuric acid Reflux; regioselective reaction; | 93% |
2-(4-bromophenyl)-2-methylpropionic acid
benzyl alcohol
benzyl N-[1-(4-bromophenyl)-1-methylethyl]carbamate
Conditions | Yield |
---|---|
Stage #1: 2-(4-bromophenyl)-2-methylpropionic acid With diphenyl phosphoryl azide; triethylamine In toluene for 4h; Reflux; Stage #2: benzyl alcohol In toluene Reflux; | 69% |
2-(4-bromophenyl)-2-methylpropionic acid
2-(4-bromophenyl)propan-2-ol
Conditions | Yield |
---|---|
With 2,4,6-trimethyl-pyridine; water; tert-butylammonium hexafluorophosphate(V) In acetone at 20℃; for 3h; Electrolysis; | 67% |
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
Stage #1: 2-(4-bromophenyl)-2-methylpropionic acid With sodium hydride In tetrahydrofuran deprotonation; Stage #2: With tert.-butyl lithium In tetrahydrofuran at -72℃; Metallation; Stage #3: 3-[3-(4-fluoro-phenyl)-1-isopropyl-2,3-dihydro-1H-indol-2-yl]-propenal In tetrahydrofuran at -72℃; Condensation; | 65% |
2-(4-bromophenyl)-2-methylpropionic acid
bis(pinacol)diborane
2-methyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propanoic acid
Conditions | Yield |
---|---|
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium acetate In dimethyl sulfoxide at 80℃; Inert atmosphere; | 63% |
With potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 In 1,4-dioxane; water at 80℃; for 18h; |
2-(4-bromophenyl)-2-methylpropionic acid
6-bromo-3,3-dimethylbenzofuran-2(3H)-one
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene; potassium acetate; palladium diacetate; N-acetylglycine In tert-butyl alcohol at 100℃; for 12h; Sealed tube; | 63% |
With isopropylmagnesium bromide; triphenylphosphine; cobalt(II) chloride In tetrahydrofuran at 20℃; for 18h; Green chemistry; | 41% |
With [bis(acetoxy)iodo]benzene; palladium diacetate; potassium carbonate; N-acetylglycine In tert-butyl alcohol at 100℃; for 20h; Inert atmosphere; | 26% |
2-(4-bromophenyl)-2-methylpropionic acid
4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyraldehyde
fexofenadine
Conditions | Yield |
---|---|
Stage #1: 2-(4-bromophenyl)-2-methylpropionic acid With sodium hydride In tetrahydrofuran at 25℃; for 0.5h; deprotonation; Stage #2: With tert.-butyl lithium In tetrahydrofuran at -72℃; for 0.916667h; Metallation; Stage #3: 4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyraldehyde In tetrahydrofuran at -72℃; for 2.5h; Condensation; | 60% |
1,2,3-triazole
2-(4-bromophenyl)-2-methylpropionic acid
2-(2-(4-bromophenyl)propan-2-yl)oxazole
Conditions | Yield |
---|---|
Stage #1: 2-(4-bromophenyl)-2-methylpropionic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 2h; Stage #2: 1,2,3-triazole With potassium carbonate In sulfolane at 120℃; for 1h; | 43% |
2-(4-bromophenyl)-2-methylpropionic acid
trans-β-chloroacrylonitrile
2-[4-((E)-2-cyano-ethenesulfonyl)phenyl]-2-methylpropionic acid
Conditions | Yield |
---|---|
Stage #1: 2-(4-bromophenyl)-2-methylpropionic acid With phenyllithium In tetrahydrofuran; toluene at -80℃; for 0.0833333h; Inert atmosphere; Stage #2: With n-butyllithium In tetrahydrofuran; hexane; toluene for 0.333333h; Inert atmosphere; Stage #3: trans-β-chloroacrylonitrile Further stages; | 43% |
2-(4-bromophenyl)-2-methylpropionic acid
4-(1-hydroxy-2-methylpropan-2-yl)benzoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: LiAlH4; diethyl ether 2: butyl lithium; diethyl ether / anschliessend Behandeln mit CO2 View Scheme |
(S)-N-(1-cyanocyclopropyl)-4-fluoro-4-methyl-2-(((S)-2,2,2-trifluoro-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethyl)amino)pentanamide
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
With sodium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride In DMF (N,N-dimethyl-formamide); water at 80℃; for 3h; |
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 16h; |
2-(4-bromophenyl)-2-methylpropionic acid
2-(4-bromophenyl)-2-methylpropanoic acid chloride
Conditions | Yield |
---|---|
With thionyl chloride for 2h; Heating / reflux; |
2-(4-bromophenyl)-2-methylpropionic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: lithium aluminium tetrahydride / diethyl ether / -78 - 23 °C 2.1: 1H-imidazole / dichloromethane / 23 °C 3.1: n-butyllithium / tetrahydrofuran / -78 °C 3.2: 23 °C 4.1: tetrakis(triphenylphosphine) palladium(0); caesium carbonate / 1,2-dimethoxyethane / 100 °C View Scheme |
2-(4-bromophenyl)-2-methylpropionic acid
C22H39BO3Si
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: lithium aluminium tetrahydride / diethyl ether / -78 - 23 °C 2.1: 1H-imidazole / dichloromethane / 23 °C 3.1: n-butyllithium / tetrahydrofuran / -78 °C 3.2: 23 °C View Scheme |
2-(4-bromophenyl)-2-methylpropionic acid
C23H32O3Si
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: lithium aluminium tetrahydride / diethyl ether / -78 - 23 °C 2.1: 1H-imidazole / dichloromethane / 23 °C 3.1: n-butyllithium / tetrahydrofuran / -78 °C 3.2: 23 °C 4.1: tetrakis(triphenylphosphine) palladium(0); caesium carbonate / 1,2-dimethoxyethane / 100 °C 5.1: lithium hydroxide monohydrate / tetrahydrofuran; methanol; water / 23 °C View Scheme |
2-(4-bromophenyl)-2-methylpropionic acid
2-[4-((E)-2-cyano-ethenesulfonyl)phenyl]-N-prop-2-ynylisobutyramide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: phenyllithium / tetrahydrofuran; toluene / 0.08 h / -80 °C / Inert atmosphere 1.2: 0.33 h / Inert atmosphere 2.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: phenyllithium / toluene; tetrahydrofuran / 0.08 h / -80 °C / Inert atmosphere 1.2: 0.33 h 1.3: 0.25 h 2.1: acetic acid / water; methanol / 20 °C 2.2: 1 h 3.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 1 h View Scheme |
2-(4-bromophenyl)-2-methylpropionic acid
(E)-3-{4-[1,1-dimethyl-2-(4-methyl-piperazin-1-yl)-2-oxo-ethyl]-benzenesulfonyl}acrylonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: phenyllithium / tetrahydrofuran; toluene / 0.08 h / -80 °C / Inert atmosphere 1.2: 0.33 h / Inert atmosphere 2.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / tetrahydrofuran / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: phenyllithium / toluene; tetrahydrofuran / 0.08 h / -80 °C / Inert atmosphere 1.2: 0.33 h 1.3: 0.25 h 2.1: acetic acid / water; methanol / 20 °C 2.2: 1 h 3.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / tetrahydrofuran / 20 °C View Scheme |
2-(4-bromophenyl)-2-methylpropionic acid
2-[4-((E)-2-cyano-ethenesulfonyl)phenyl]-N-pyridin-2-ylmethylisobutyramide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: phenyllithium / tetrahydrofuran; toluene / 0.08 h / -80 °C / Inert atmosphere 1.2: 0.33 h / Inert atmosphere 2.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / tetrahydrofuran / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: phenyllithium / toluene; tetrahydrofuran / 0.08 h / -80 °C / Inert atmosphere 1.2: 0.33 h 1.3: 0.25 h 2.1: acetic acid / water; methanol / 20 °C 2.2: 1 h 3.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / tetrahydrofuran / 20 °C View Scheme |
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