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
Cas:2198-66-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryhe company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:
The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
1. 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
Cas:2198-66-5
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Cas:2198-66-5
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:2198-66-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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
Cas:2198-66-5
Min.Order:1 Kilogram
FOB Price: $1300.0
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:2198-66-5
Min.Order:1 Kilogram
FOB Price: $50.0 / 80.0
Type:Trading Company
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:2198-66-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
Cas:2198-66-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:2198-66-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:2198-66-5
Min.Order:1 Gram
FOB Price: $29.0
Type:Trading Company
inquiryTriumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis: Trading(Raw Mater
Cas:2198-66-5
Min.Order:0 Metric Ton
FOB Price: $18.0 / 20.0
Type:Lab/Research institutions
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
Cas:2198-66-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:2198-66-5
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:2198-66-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:2198-66-5
Min.Order:1 Gram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryProduct Name: 2-BROMO-4-TERT-BUTYLPHENOL Synonyms: Phenol, 2-bromo-4-(1,1-dimethylethyl)-;2-broMo-4-(1,1-diMethylethyl)-;2-BROMO-4-TERT-BUTYLPHENOL;AKOS BBB/374;4-TERT-BUTYL-2-BROMOPHENOL;2-Bromo-4-tert-butylphenol >;2-Bromo-4-t-butylphenol
Cas:2198-66-5
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
Cas:2198-66-5
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
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:2198-66-5
Min.Order:1 Gram
Negotiable
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
Cas:2198-66-5
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cangzhou 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
Cas:2198-66-5
Min.Order:1 Kilogram
FOB Price: $5.0 / 15.0
Type:Lab/Research institutions
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
Cas:2198-66-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:Colorless or light yellow liquid 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 Pharmac
Cas:2198-66-5
Min.Order:1 Kilogram
Negotiable
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:2198-66-5
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryWe produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp
Cas:2198-66-5
Min.Order:0
Negotiable
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:2198-66-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Conditions | Yield |
---|---|
With bromine | 100% |
With bromine In dichloromethane at 20 - 40℃; for 20h; | 100% |
With bromine In tetrachloromethane; chloroform at 0℃; Inert atmosphere; | 100% |
para-tert-butylphenol
A
2,6-dibromo-4-tert-butylphenol
B
2-bromo-4-tert-butylphenol
Conditions | Yield |
---|---|
Stage #1: para-tert-butylphenol With toluene-4-sulfonic acid In methanol for 0.166667h; Stage #2: With N-Bromosuccinimide In methanol for 0.416667h; | A n/a B 90% |
With N-Bromosuccinimide In water at 20℃; for 8h; | |
With hydrogen bromide; dihydrogen peroxide In ethanol; water for 24h; Reagent/catalyst; Solvent; Green chemistry; Overall yield = 88 %; Overall yield = 1.35 g; | |
With perchloric acid; 2,3,7,8,12,13,17,18-octabromo-5,10,15,20-tetraphenylporphyrinato oxovanadium(IV); dihydrogen peroxide; potassium bromide In water at 20℃; for 0.5h; Catalytic behavior; Reagent/catalyst; |
Conditions | Yield |
---|---|
With diethyl dibromomalonate at 100℃; for 48h; Bromination; aromatization; | 76% |
6-Bromo-4-tert-butyl-cyclohexa-2,4-dienone
2-bromo-4-tert-butylphenol
Conditions | Yield |
---|---|
In dichloromethane for 0.25h; Irradiation; |
2-bromo-4-tert-butylphenol
Conditions | Yield |
---|---|
With carbon disulfide; bromine |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: bei Siedetemperatur 2: tetrachloromethane; bromine / 0 °C View Scheme |
Conditions | Yield |
---|---|
With bromine; sodium hydrogencarbonate In chloroform |
Conditions | Yield |
---|---|
With copper(I) bromide at 20℃; for 6h; | A 10 %Chromat. B 35 %Chromat. |
para-tert-butylphenol
A
4-(tert-butyl)phenyl acetate
B
2-bromo-4-tert-butylphenol
Conditions | Yield |
---|---|
With copper(I) bromide In acetic acid at 80℃; for 6h; | A 15 %Chromat. B 47 %Chromat. |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper dichloride / formic acid / 6 h / 80 °C 2: copper(I) bromide / 6 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium chloride / 6 h / 20 °C 2: copper(I) bromide / 6 h / 20 °C View Scheme |
2,4-di-tert-Butylphenol
A
4-(tert-butyl)phenyl acetate
B
2-bromo-4-tert-butylphenol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper dichloride / formic acid / 6 h / 80 °C 2: copper(I) bromide / acetic acid / 6 h / 80 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium chloride / 6 h / 20 °C 2: copper(I) bromide / acetic acid / 6 h / 80 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper dichloride / formic acid / 6 h / 80 °C 2: copper(I) bromide / acetic acid / 6 h / 80 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium chloride / 6 h / 20 °C 2: copper(I) bromide / acetic acid / 6 h / 80 °C View Scheme |
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 22h; Inert atmosphere; Reflux; | 100% |
With potassium carbonate In acetone Reflux; | 97% |
With potassium carbonate In acetone at 65℃; for 20h; Inert atmosphere; | 16.1 g |
2-bromo-4-tert-butylphenol
(2-trimethylethylsilylethoxy)methyl chloride
Conditions | Yield |
---|---|
With N,N-diethyl-N-isopropylamine In dichloromethane at 0 - 20℃; | 98% |
2-bromo-4-tert-butylphenol
2-deutero-4-tert-butylphenol
Conditions | Yield |
---|---|
Stage #1: 2-bromo-4-tert-butylphenol With n-butyllithium In diethyl ether at -78 - 20℃; Inert atmosphere; Stage #2: With water-d2 In diethyl ether Inert atmosphere; | 97% |
2-bromo-4-tert-butylphenol
benzyl bromide
1-benzyloxy-2-bromo-4-tert-butylbenzene
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 48h; Heating; | 96% |
With potassium carbonate In acetone for 3h; Inert atmosphere; Reflux; | 94% |
2-bromo-4-tert-butylphenol
ethyl bromoacetate
(2-bromo-4-tert-butyl-phenoxy)-acetic acid ethyl ester
Conditions | Yield |
---|---|
With caesium carbonate In acetonitrile at 20℃; | 96% |
1-Bromoheptane
2-bromo-4-tert-butylphenol
2-bromo-4-tert-butylphenyl heptyl ether
Conditions | Yield |
---|---|
With potassium carbonate In acetone | 85% |
2-bromo-4-tert-butylphenol
(1R,8S)-1-(dimethylamino)-2-phenyl-2,7-diaza-1-phosphabicyclo[3.3.0]octane
(2R,5S)-2-(2-bromo-4-tert-butylphenoxy)-3-phenyl-1,3-diaza-2-phosphabicyclo[3.3.01,5]octane
Conditions | Yield |
---|---|
In toluene for 1h; | 85% |
Benzyl isocyanide
2-bromo-4-tert-butylphenol
Conditions | Yield |
---|---|
With potassium phosphate In 1,4-dioxane at 130℃; for 8h; chemoselective reaction; | 85% |
2-bromo-4-tert-butylphenol
phenylboronic acid
4-tert-butyl-2-phenylphenol
Conditions | Yield |
---|---|
With potassium hydrogenphosphate trihydrate; 2C2H3O2(1-)*2C6H7N3O2(2-)*2Na(1+)*Pd(2+) In methanol; water at 70℃; for 2.5h; Suzuki coupling; | 84% |
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,4-dioxane; water Suzuki Coupling; Reflux; | 64% |
With 2 mol-% Pd/C; cesium fluoride In water at 80℃; for 2.5h; Suzuki-Miyaura Coupling; Schlenk technique; | 36% |
With palladium diacetate; diisopropylamine In water at 100℃; Suzuki-Miyaura Coupling; |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; Schlenk technique; | 83% |
2-bromo-4-tert-butylphenol
allyl bromide
1-(allyloxy)-2-bromo-4-(tert-butyl)benzene
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 23 - 27℃; for 24h; Inert atmosphere; Schlenk technique; Glovebox; | 82% |
With potassium carbonate In acetone Reflux; |
Conditions | Yield |
---|---|
With n-butyllithium In tert-butyl methyl ether Solvent; Inert atmosphere; | 82% |
Conditions | Yield |
---|---|
With Nafion-H; toluene for 8h; Heating; | A 80% B 83 % Chromat. |
2-bromo-4-tert-butylphenol
toluene
A
2-hydroxybromobenzene
B
4-tert-butyltoluene
Conditions | Yield |
---|---|
With Nafion-H for 8h; Heating; | A 80% B 83 % Chromat. |
Conditions | Yield |
---|---|
With copper dichloride In N,N-dimethyl-formamide for 1.5h; Heating; | 80% |
With copper dichloride In N,N-dimethyl-formamide for 4.5h; Reflux; | 79% |
2-bromo-4-tert-butylphenol
Conditions | Yield |
---|---|
With copper(l) iodide; 1,10-Phenanthroline; cesium fluoride In acetonitrile at 100℃; for 4h; Inert atmosphere; Glovebox; Sealed tube; | 80% |
(2-chloro-3,3,3-trifluoroprop-1-en-1-yl)benzene
2-bromo-4-tert-butylphenol
5-tert-butyl-2-phenyl-3-(trifluoromethyl)benzofuran
Conditions | Yield |
---|---|
With palladium diacetate; caesium carbonate; XPhos In N,N-dimethyl-formamide at 140℃; for 36h; Inert atmosphere; Schlenk technique; | 79% |
2-bromo-4-tert-butylphenol
Conditions | Yield |
---|---|
Stage #1: 2-bromo-4-tert-butylphenol; ethyl 2,4-bis(chloromethyl)-6-iodoquinoline-3-carboxylate With potassium carbonate In acetonitrile for 5h; Reflux; Stage #2: With potassium hydroxide In ethanol; water for 3h; Microbiological reaction; | 79% |
2-bromo-4-tert-butylphenol
methanesulfonic acid 2-(2-methoxyethoxy)ethyl ester
2-bromo-4-tert-butyl-1-[2-(2-methoxyethoxy)ethoxy]benzene
Conditions | Yield |
---|---|
With caesium carbonate In acetonitrile for 48h; Reflux; | 76.1% |
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