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:33036-62-3
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Type:Lab/Research institutions
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
Cas:33036-62-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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, intermedi
Our 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:33036-62-3
Min.Order:5 Kiloliter
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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:33036-62-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:33036-62-3
Min.Order:1 Kilogram
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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 prese
Cas:33036-62-3
Min.Order:1 Kilogram
FOB Price: $90.0 / 95.0
Type:Trading Company
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Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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Cas:33036-62-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
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
Cas:33036-62-3
Min.Order:0 Metric Ton
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Type:Other
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
Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff
Product Name: 4-Bromo-1-butanol Synonyms: TETRAMETHYLENE BROMOHYDRIN;4-BROMO-1-BUTANOL;4-BROMO-1-BUTANOL, 85+%;4-bromobutan-1-ol;4-Bromobutanol;1-BROMO-4-BUTANOL;4-Bromo-1-butenol;4-Bromo-1-butanol (contains varying amounts of Tetrahydrofuran)
Cas:33036-62-3
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:33036-62-3
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
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
high 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
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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Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
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Cas:33036-62-3
Min.Order:0
Negotiable
Type:Manufacturers
inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
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Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:33036-62-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:clear liquid Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a
Supply top quality products with a reasonable price Application:api
4-Bromo-1-butanolAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
tetrahydrofuran
4-Bromo-1-butanol
Conditions | Yield |
---|---|
With dimethylboron bromide; triethylamine In dichloromethane at 0℃; for 2h; | 100% |
With sulfuric acid; hydrogen bromide | 90% |
With tetrabutylammomium bromide; hydrogen bromide In water for 0.0833333h; Microwave irradiation; | 81% |
bromobutyric acid
4-Bromo-1-butanol
Conditions | Yield |
---|---|
Stage #1: bromobutyric acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 0.5h; Stage #2: With sodium tetrahydroborate; water In tetrahydrofuran at 0℃; for 0.5h; | 99% |
Stage #1: bromobutyric acid With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine In ethyl acetate at 0℃; for 0.166667h; Stage #2: With sodium tetrahydroborate In water; ethyl acetate at 0℃; for 0.366667h; | 92% |
With dimethylsulfide borane complex | 86% |
4-Bromobutyl acetate
4-Bromo-1-butanol
Conditions | Yield |
---|---|
With sulfuric acid In ethanol for 1h; Heating; | 96% |
With Amberlite IR-120 (H+ form) In methanol at 22℃; for 16h; | |
With sulfuric acid In methanol for 40h; Ambient temperature; | |
With sulfuric acid In methanol for 48h; Yield given; | |
With methanol; sulfuric acid for 1h; Heating; |
tetrahydrofuran
methyl p-propanoylbenzoate
A
4-Bromo-1-butanol
B
methyl 4-(2-bromopropanoyl)benzoate
Conditions | Yield |
---|---|
With 2-pyrrolidinon In tetrahydrofuran at 50℃; for 3h; | A 4% B 91% |
4-Bromo-butyric acid 6-nitro-benzotriazol-1-yl ester
4-Bromo-1-butanol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol at 0 - 5℃; for 1.5h; | 82% |
Butane-1,4-diol
4-Bromo-1-butanol
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; hydrogen bromide In water for 0.0833333h; Microwave irradiation; | 77.4% |
With hydrogen bromide In water; benzene Reflux; Dean-Stark apparatus; | 68% |
With hydrogen bromide In water; benzene for 12h; Reflux; | 68% |
methanol
bromobutyric acid
A
4-Methoxy-1-bromobutane
B
4-Bromo-1-butanol
Conditions | Yield |
---|---|
Stage #1: bromobutyric acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 0.5h; Stage #2: methanol With sodium tetrahydroborate In tetrahydrofuran at 0℃; for 0.5h; | A 22% B 75% |
tetrahydrofuran
n-octyl acetate
carbon monoxide
A
1,4-dibromo-butane
B
4-Bromo-1-butanol
D
C15H27BrO4
Conditions | Yield |
---|---|
Stage #1: n-octyl acetate; carbon monoxide With 2AlBr3*CBr4 In dibromomethane at -20 - 20℃; under 750.075 Torr; for 3h; Stage #2: tetrahydrofuran In dibromomethane at -20 - 0℃; for 20h; regioselective reaction; | A n/a B n/a C n/a D 72% |
Conditions | Yield |
---|---|
With sodium bis(2-methoxyethoxy)aluminium dihydride In toluene; Petroleum ether 1.) 10-20 deg C, 2.) room temperature, 10 min; | A 60% B 16% |
bromobutyric acid
isopropyl alcohol
A
4-Bromo-1-butanol
B
1-bromo-4-isopropoxybutane
Conditions | Yield |
---|---|
Stage #1: bromobutyric acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 0.5h; Stage #2: isopropyl alcohol With sodium tetrahydroborate In tetrahydrofuran at 0℃; for 0.5h; | A 50% B 25% |
4-hydroxybutyl octyl sulfoxide
A
1-bromo-octane
B
4-Bromo-1-butanol
D
4-bromobutyl octyl sulfone
Conditions | Yield |
---|---|
With bromine In acetonitrile at -25℃; for 2h; Further byproducts given; | A n/a B n/a C 24% D 46% |
Conditions | Yield |
---|---|
With bromine In acetonitrile at -25℃; for 2h; Product distribution; | A n/a B n/a C n/a D n/a E n/a F 24% |
2-bromoethanol
4-Bromo-1-butanol
Conditions | Yield |
---|---|
21% |
tetrahydrofuran
2-phenylethanol
A
(±)-2-phenethoxytetrahydrofuran
B
4-Bromo-1-butanol
Conditions | Yield |
---|---|
With Bromotrichloromethane at 60℃; Product distribution; Further Variations:; Reagents; Alkylation; | A 8% B n/a C n/a |
Methyl 4-bromobutyrate
4-Bromo-1-butanol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether |
methyl p-propanoylbenzoate
A
4-Bromo-1-butanol
B
methyl 4-(2-bromopropanoyl)benzoate
Conditions | Yield |
---|---|
With 2-pyrrolidinon; pyrrolidone hydrotribromide In tetrahydrofuran at 50℃; for 3h; |
2-pyrrolidinon
methyl p-propanoylbenzoate
A
4-Bromo-1-butanol
B
methyl 4-(2-bromopropanoyl)benzoate
Conditions | Yield |
---|---|
Stage #1: 2-pyrrolidinon; pyrrolidone hydrotribromide; methyl p-propanoylbenzoate In tetrahydrofuran at 50℃; for 3h; Stage #2: With sodium disulfite In tetrahydrofuran; diethyl ether; water |
2-pyrrolidinon
methyl p-propanoylbenzoate
A
4-Bromo-1-butanol
B
methyl 4-(2-bromopropanoyl)benzoate
Conditions | Yield |
---|---|
In tetrahydrofuran at 50℃; for 3h; | A 4 %Spectr. B 91 %Spectr. |
4-bromoethylbutanoate
4-Bromo-1-butanol
Conditions | Yield |
---|---|
With dimethylsulfide borane complex In 2-methyltetrahydrofuran at 90℃; under 7500.75 Torr; for 0.333333h; Inert atmosphere; Flow reactor; |
4-Bromo-1-butanol
4-(nitrooxy)butyl bromide
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 0℃; for 1h; | 100% |
With sulfuric acid; nitric acid In dichloromethane at -5 - 5℃; for 2 - 5h; | 96% |
With sulfuric acid; nitric acid In dichloromethane at -5 - 5℃; for 2 - 5h; | 96% |
4-Bromo-1-butanol
(S)-N-(benzyloxycarbonyl)valine
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In acetonitrile at 80℃; for 8h; | 100% |
3,4-dihydro-2H-pyran
4-Bromo-1-butanol
4-bromo-1-(2-tetrahydropyranyloxy)butane
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In dichloromethane at 20℃; for 24h; | 99% |
With toluene-4-sulfonic acid In diethyl ether for 1h; Ambient temperature; | 96% |
With pyridinium p-toluenesulfonate In dichloromethane | 95% |
4-Bromo-1-butanol
tert-butyldimethylsilyl chloride
(4-bromobutoxy)-tert-butyldimethylsilane
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 20℃; for 3h; Inert atmosphere; | 95% |
With 1H-imidazole In dichloromethane | 92% |
Stage #1: 4-Bromo-1-butanol With 1H-imidazole In tetrahydrofuran at 20℃; for 0.166667h; Inert atmosphere; Stage #2: tert-butyldimethylsilyl chloride In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; | 91.3% |
4-Bromo-1-butanol
Conditions | Yield |
---|---|
With sodium sulfide at 140℃; for 12h; Inert atmosphere; | 95% |
4-Bromo-1-butanol
Ethyl nipecotate
Conditions | Yield |
---|---|
With potassium carbonate; sodium iodide In neat (no solvent) at 0 - 20℃; for 48h; Darkness; | 95% |
4-Bromo-1-butanol
tert-butylchlorodiphenylsilane
(4-bromobutoxy)(tert-butyl)diphenylsilane
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 0 - 20℃; for 9h; | 94% |
With dmap; triethylamine In dichloromethane at 25℃; for 12h; | 72% |
With 1H-imidazole In tetrahydrofuran at 20℃; for 72h; Inert atmosphere; | 31% |
With 1H-imidazole In N,N-dimethyl-formamide at 0℃; |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 16h; Reflux; Dean-Stark; | 94% |
Conditions | Yield |
---|---|
With potassium hydroxide In dimethyl sulfoxide at 20℃; for 5h; | 93% |
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0℃; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
With dilithium tetrachlorocuprate In tetrahydrofuran at 20℃; for 15h; | 90% |
Conditions | Yield |
---|---|
Stage #1: 1-biphenyl-4-yl-1H-imidazole In toluene at 85℃; for 6h; Stage #2: 4-Bromo-1-butanol In toluene at 20℃; for 48h; | 90% |
4-Bromo-1-butanol
(2R,3R,4R)-3,4-Dibenzyloxy-2-(benzyloxymethyl)pyrrolidine
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; for 72h; | 88% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 17h; Inert atmosphere; | 88% |
4-Bromo-1-butanol
5,5'-(2,2'-bipyridine)diacid chloride
bis(4-bromobutyl) 2,2'-bipyridine-5,5'-dicarboxylate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane Reflux; | 87% |
Conditions | Yield |
---|---|
With phosphorus pentaoxide In dichloromethane Ambient temperature; | 86% |
4-Bromo-1-butanol
N,3,5-trimethyladamantan-1-amine
4-((3,5-dimethyladamantan-1-yl)amino)butan-1-ol
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 48h; | 86% |
4-Bromo-1-butanol
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 48h; Sealed tube; | 86% |
Conditions | Yield |
---|---|
With triethylamine In chloroform at 20℃; for 4h; Time; Inert atmosphere; | 86% |
2-[2-(allyloxy)-5-hydroxyphenyl]-1H-isoindole-1,3(2H)-dione
4-Bromo-1-butanol
Conditions | Yield |
---|---|
With di-tert-butyl-diazodicarboxylate; PPh3-polymer supported In tetrahydrofuran at 20℃; for 12h; Mitsunobu reaction; | 85% |
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 20℃; for 4h; | 85% |
4-Bromo-1-butanol
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 100℃; for 3h; | 85% |
4-Bromo-1-butanol
N-pentyl imidazole
Conditions | Yield |
---|---|
In toluene at 100℃; for 0.333333h; Sealed tube; Microwave irradiation; | 85% |
4-Bromo-1-butanol
12-hydroxy-2,2-dimethyl-3,4-dihydro-2H,6H-pyrano[3,2-b]xanthen-6-one
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide at 20℃; for 24h; | 83.4% |
4-Bromo-1-butanol
4-azido-1-butanol
Conditions | Yield |
---|---|
With sodium azide In N,N-dimethyl-formamide at 70℃; for 24h; | 83% |
With sodium azide In dimethyl sulfoxide for 2.5h; Ambient temperature; | 67% |
With sodium azide In water; acetone Inert atmosphere; | 60% |
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