Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and
img src="http://work-hoAppearance:colourless liquid Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceutical
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inquiryItems Standard Result Appearance Transparent or slightly Yellow Liquid Complies Boling Range 98-1
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inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
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inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:Colorless to slightly yellow liquid Storage:2-8°C Package:25k
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inquiry1.Hefei TNJ Chemical Industry Co.Limited(ISO9001:2008),are strong in the field of Pharmaceuticals,food additives,plant extract and fine chemical for more than 10 years. 2.Full experience of large numbers container loading in main Chinese seap
high quality Appearance:white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
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
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
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inquiryCHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis
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inquiryLIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
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inquiry4-Bromo-1-butene Basic information Product Name: 4-Bromo-1-butene Synonyms: 1-Bromo-3-butene;1-butene,4-bromo-;4-bromo-1-buten;4-bromo-but-1-ene;4-bromobut-1-ene;4-
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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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
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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 email in time prod
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inquiryName: 4-Bromo-1-butene Synonyms: 4-Bromobut-1-ene CAS:5162-44-7 MF: C4H7Br Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application: Pharmaceutical Intermediate Transportation:By sea
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inquiry1.No Less 8 years exporting experience. Clients 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 Specialized
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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:5162-44-7
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inquiry4-Bromo-1-butene CAS: 5162-44-7 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 quality organic intermed
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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
Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
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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
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
Hot sale 5162-44-7 Top quality 4-Bromo-1-butene good supplier Molecular Formula C4H7Br Molar Mass 135 Density 1.33 g/mL at 25 °C (lit.) Melting Point -115.07°C (estimate) Boling Poin
Cas:5162-44-7
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inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
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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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Min.Order:10 Gram
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inquirySuperior quality, moderate price & quick delivery. Appearance:Colourless liquid Storage:storage temp. 2-8°C; Sensitive Light Sensitive Package:25kg/drum, or as per your request. Application:For medicine , pesticide intermediates Transportat
Product name: 4-Bromo-1-Butene CAS No.:5162-44-7 Molecule Formula:C4H7Br Molecule Weight:135.00 Purity: 99.0% Package: 200kg/drum Description:Colorless liquid Manufacture Standards:Enterprise Standard TESTING ITEMS
Cas:5162-44-7
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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,
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inquiry4-Bromo-1-butene Chemical Properties Melting point -115.07°C (estimate) Boiling point 98-100 °C (lit.) density 1.33 g/mL at 25 °C (lit.) refractive index n20/D 1.462(lit.) Fp 49 °F storage temp. 2-8°C solub
Cas:5162-44-7
Min.Order:1 Gram
FOB Price: $66.0
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With lithium bromide In acetone for 1h; Heating; | 98% |
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide at 200 - 210℃; | 97% |
With N,N,N,N,N,N-hexamethylphosphoric triamide at 210℃; | 95% |
With N,N,N,N,N,N-hexamethylphosphoric triamide for 1h; Heating; | 82% |
4-bromobut-1-yne
1-bromo-4-butene
Conditions | Yield |
---|---|
With diisobutylaluminium hydride In hexane at 40℃; | 90% |
(2-bromoethyl)oxirane
dimethyl diazomalonate
A
1-bromo-4-butene
B
mesoxalate de methyle
Conditions | Yield |
---|---|
With dirhodium tetraacetate In toluene for 0.75h; Heating; | A 84% B n/a |
Conditions | Yield |
---|---|
With phosphorus tribromide In pyridine | 80% |
With pyridine; phosphorus tribromide In neat (no solvent) at 0 - 20℃; for 2h; Inert atmosphere; Schlenk technique; | 74% |
With pyridine; phosphorus tribromide at 0℃; |
Conditions | Yield |
---|---|
With phosphorus tribromide | 73% |
Conditions | Yield |
---|---|
With C50H44Au2P4(2+)*2C2F6NO4S2(1-) In water; acetonitrile for 0.166667h; Inert atmosphere; Sealed tube; UV-irradiation; | 72% |
Conditions | Yield |
---|---|
With NbCl3(N,N′-bis-(2,6-diisopropylphenyl)-1,4-diaza-2,3-dimethyl-1,3-butadiene) In benzene-d6 at 120℃; for 14h; Catalytic behavior; Inert atmosphere; Schlenk technique; Glovebox; | A 59% B 33% |
diazomethane
allyl bromide
A
1-bromo-4-butene
B
cyclopropylcarbinyl bromide
Conditions | Yield |
---|---|
With copper(I) chloride * phenylphosphite at -20 - -10℃; | A 58% B 1.2% |
Conditions | Yield |
---|---|
With hydrogen bromide at 0℃; | |
With phosphorus tribromide | |
With hydrogen bromide |
buta-1,3-diene
A
1-bromo-4-butene
B
(E/Z)-crotyl bromide
Conditions | Yield |
---|---|
With sulfuric acid; hydrogen bromide |
ethene
dichloromethane
methylcyclopropane
2,2-dimethyl-N-bromoglutarimide
A
1-bromo-4-butene
B
2,2-dimethylglutarimide
C
bromodichloromethane
E
ethylene dibromide
F
cyclopropylcarbinyl bromide
Conditions | Yield |
---|---|
at 15℃; for 1h; Product distribution; Kinetics; Mechanism; Irradiation; | A 1.7 % Chromat. B 50.4 % Chromat. C 12.8 % Chromat. D 50.1 % Chromat. E 2.0 % Chromat. F 18.0 % Chromat. |
dichloromethane
methylcyclopropane
2,2-dimethyl-N-bromoglutarimide
A
1-bromo-4-butene
B
2,2-dimethylglutarimide
C
bromodichloromethane
D
1,3-dibromobutane
E
cyclopropylcarbinyl bromide
Conditions | Yield |
---|---|
at 15℃; for 1h; Product distribution; Mechanism; Kinetics; Irradiation; | A 3.2 % Chromat. B 95.9 % Chromat. C 24.1 % Chromat. D 8.5 % Chromat. E 34.5 % Chromat. |
Bromotrichloromethane
(cyclopropylmethyl)(1-hydroxy-1-methylethyl)diazene
A
1-bromo-4-butene
B
trans-1-bromo-5,5,5-trichloro-2-pentene
C
3,5-dibromo-1,1,1-trichloropentane
D
cyclopropylcarbinyl bromide
E
acetone
F
propan-2-one azine
Conditions | Yield |
---|---|
In dichloromethane at -20.1 - 0.4℃; Product distribution; Rate constant; Irradiation; investigation of thermolysis and photolysis; various solvents, time, temperatures, and concentrations; |
Conditions | Yield |
---|---|
nickel at 16.9℃; under 0.08 Torr; Product distribution; |
bicyclo[1.1.0]butane
A
1-bromo-4-butene
B
Bromocyclobutane
C
cyclopropylcarbinyl bromide
Conditions | Yield |
---|---|
With sodium hydroxide; sodium tetrahydroborate; mercury dibromide 1.) CH2Cl2; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; | |
With hydrogen bromide Product distribution; influence of reaction time; |
homoalylic alcohol
sulfuric acid
hydrogen bromide
A
1-bromo-4-butene
B
(E/Z)-crotyl bromide
homoalylic alcohol
hydrogen bromide
A
1-bromo-4-butene
B
1,3-dibromobutane
Conditions | Yield |
---|---|
at 0℃; |
homoalylic alcohol
phosphorus tribromide
A
1-bromo-4-butene
B
1,3-dibromobutane
Cyclopropylmethanol
hydrogen bromide
A
1-bromo-4-butene
B
Bromocyclobutane
C
cyclopropylcarbinyl bromide
dichloromethane
Cyclopropylmethanol
phosphorus tribromide
A
1-bromo-4-butene
B
Bromocyclobutane
C
cyclopropylcarbinyl bromide
chloro(cyclopropyl)methane
A
1-bromo-4-butene
B
Bromocyclobutane
C
cyclopropylcarbinyl bromide
Conditions | Yield |
---|---|
With sodium bromide; NaY zeolite In pentane at 25℃; Kinetics; | A 58 % Chromat. B 32 % Chromat. C 10 % Chromat. |
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran at 20℃; for 3h; |
Cyclopropylmethanol
A
1-bromo-4-butene
B
Bromocyclobutane
C
cyclopropylcarbinyl bromide
Conditions | Yield |
---|---|
With hydrogen bromide; 3-ethyl-1-methyl-1H-imidazol-3-ium bromide at 80℃; for 0.333333h; Reagent/catalyst; Temperature; |
1-bromo-4-butene
4-azido-1-butene
Conditions | Yield |
---|---|
With sodium azide In tetrahydrofuran; water at 80℃; for 3h; Inert atmosphere; | 100% |
With sodium azide In dimethyl sulfoxide for 18h; Ambient temperature; | 76% |
With sodium azide In water; acetone for 20h; Heating; |
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate In acetone Reflux; | 100% |
With potassium carbonate In acetone Reflux; | 96% |
91% |
1-bromo-4-butene
triphenylphosphine
but-3-en-1-yltriphenylphosphonium bromide
Conditions | Yield |
---|---|
In toluene for 24h; Inert atmosphere; Reflux; | 100% |
In N,N-dimethyl-formamide for 3h; Heating; | 84% |
In acetonitrile at 23℃; for 23h; Reflux; Inert atmosphere; | 81% |
Conditions | Yield |
---|---|
Stage #1: 1-bromo-4-butene With magnesium In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Stage #2: formic acid ethyl ester In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 100% |
Stage #1: 1-bromo-4-butene With iodine; magnesium In tetrahydrofuran at 20℃; for 0.5h; Inert atmosphere; Stage #2: formic acid ethyl ester In tetrahydrofuran at 0 - 20℃; for 3h; Inert atmosphere; | 98% |
Stage #1: 1-bromo-4-butene With iodine; magnesium In tetrahydrofuran at 20℃; Inert atmosphere; Stage #2: formic acid ethyl ester In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 94% |
1-bromo-4-butene
2',3'-dichloro-4'-hydroxybutyrophenone
2,3-dichloro-4-(3-butenyloxy)butyrophenone
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60 - 65℃; for 5h; | 100% |
1-bromo-4-butene
piperidine-2,6-dione
1-But-3-enylpiperidine-2,6-dione
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate In benzene for 12h; Heating; | 100% |
With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide |
1-bromo-4-butene
bis(3-butenyl)magnesium
Conditions | Yield |
---|---|
Stage #1: 1-bromo-4-butene With magnesium In tetrahydrofuran at 27℃; for 1h; Inert atmosphere; Schlenk technique; Glovebox; Stage #2: In tetrahydrofuran; 1,4-dioxane at 27℃; Inert atmosphere; Schlenk technique; Glovebox; | 100% |
With 1,4-dioxane; magnesium In diethyl ether for 0.666667h; Metallation; | |
Stage #1: 1-bromo-4-butene With magnesium In diethyl ether for 0.666667h; Stage #2: With 1,4-dioxane In diethyl ether for 0.5h; |
1-bromo-4-butene
Conditions | Yield |
---|---|
With sodium sulfite In water at 90℃; for 16h; Inert atmosphere; | 100% |
With sodium sulfite In water for 12h; Heating; | |
With sodium sulfite In water at 70℃; |
1-bromo-4-butene
ethanolamine
N-[2'-(hydroxy)ethyl]-1-amino-but-3-ene
Conditions | Yield |
---|---|
With sodium iodide In methanol for 2h; Inert atmosphere; Reflux; | 100% |
With sodium iodide In methanol for 3h; Reflux; | 40% |
With sodium iodide In methanol for 3h; Reflux; | |
With sodium iodide In methanol for 3h; Reflux; |
1-bromo-4-butene
Conditions | Yield |
---|---|
Stage #1: 1-bromo-4-butene With magnesium In tetrahydrofuran at 70℃; for 1.5h; Stage #2: 8-methylene-4-(prop-1-ynyl)octahydro-1H-quinolizine-4-carbonitrile In tetrahydrofuran; dichloromethane at -78 - 20℃; | 100% |
1-methyl-1H-imidazole
1-bromo-4-butene
3-(but-3-en-1-yl)-1-methyl-1H-imidazol-3-ium bromide
Conditions | Yield |
---|---|
In acetonitrile at 80℃; | 100% |
at 40℃; for 16h; Inert atmosphere; neat (no solvent); | 97% |
at 40℃; | |
In toluene at 110℃; | |
In neat (no solvent) at 100℃; for 0.333333h; Microwave irradiation; Sealed tube; |
1-bromo-4-butene
1-tert-butyl 4-ethyl piperidine-1,4-dicarboxylate
1-(1,1-dimethylethyl) 4-ethyl 4-(2-propenyl)-1,4-piperidinedicarboxylate
Conditions | Yield |
---|---|
Stage #1: 1-tert-butyl 4-ethyl piperidine-1,4-dicarboxylate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 0.75h; Stage #2: 1-bromo-4-butene With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran; hexane at -78 - 20℃; for 1h; | 100% |
Conditions | Yield |
---|---|
With platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex In 5,5-dimethyl-1,3-cyclohexadiene; toluene at 80℃; | 100% |
1-bromo-4-butene
Conditions | Yield |
---|---|
In acetonitrile at 80℃; for 48h; | 100% |
1-bromo-4-butene
Conditions | Yield |
---|---|
In acetonitrile at 80℃; for 72h; | 100% |
1-bromo-4-butene
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 16h; Inert atmosphere; Sealed tube; | 100% |
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 16h; Inert atmosphere; Sealed tube; | 64% |
1-bromo-4-butene
tert-butyl 1,4-diazepine-1-carboxylate
Conditions | Yield |
---|---|
With tetra-(n-butyl)ammonium iodide; potassium carbonate In tetrahydrofuran Reflux; | 100% |
1-bromo-4-butene
Conditions | Yield |
---|---|
Stage #1: 1-bromo-4-butene With magnesium In tetrahydrofuran Reflux; Stage #2: N-tert-butoxycarbonyl-(R)-3-(benzyloxy)-1-[methoxy(methyl)amino]-2-amino-1-oxopropan In tetrahydrofuran at -20 - 20℃; for 18h; | 100% |
Conditions | Yield |
---|---|
Stage #1: 4,4'-dimercaptodiphenyl sulfide With sodium hydroxide In water; N,N-dimethyl-formamide Inert atmosphere; Cooling with ice; Stage #2: 1-bromo-4-butene In water; N,N-dimethyl-formamide at 20℃; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With caesium carbonate In acetone at 85℃; for 72h; Inert atmosphere; | 100% |
With potassium carbonate In N,N-dimethyl-formamide for 24h; Inert atmosphere; | 20% |
1-bromo-4-butene
Conditions | Yield |
---|---|
With tetra-(n-butyl)ammonium iodide; potassium carbonate In butanone for 24h; Reflux; | 100% |
1-bromo-4-butene
(S)-ethyl N-tert-butoxycarbonylpyroglutamate
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran at -78℃; Grignard reaction; Inert atmosphere; | 99.7% |
Stage #1: 1-bromo-4-butene; (S)-ethyl N-tert-butoxycarbonylpyroglutamate With magnesium In tetrahydrofuran Stage #2: In tetrahydrofuran at -60℃; | 75% |
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate In toluene for 16h; Heating; | 99.5% |
Stage #1: Succinimide With sodium hydride In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: 1-bromo-4-butene In N,N-dimethyl-formamide at 50℃; for 20h; | 92% |
With sodium ethanolate In ethanol for 6h; Heating; | |
With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide | |
Stage #1: Succinimide With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 1h; Inert atmosphere; Stage #2: 1-bromo-4-butene In N,N-dimethyl-formamide at 50℃; for 16h; Inert atmosphere; | 130 g |
1-bromo-4-butene
1-potassio-2-nitroimidazole salt
1-(3-buten-1-yl)-2-nitroimidazole
Conditions | Yield |
---|---|
With 18-crown-6 ether In acetonitrile for 384h; | 99% |
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 12h; Reflux; | 99% |
Stage #1: 4-cyanophenol With potassium carbonate for 1h; Stage #2: 1-bromo-4-butene at 60℃; | 58% |
With potassium carbonate In acetonitrile Heating; | 43% |
Conditions | Yield |
---|---|
With potassium carbonate In dichloromethane for 12h; Inert atmosphere; Reflux; | 99% |
With 18-crown-6 ether; potassium carbonate; potassium iodide In acetonitrile at 75℃; for 18h; Inert atmosphere; | 97% |
With potassium carbonate; sodium iodide In acetonitrile Reflux; | 41% |
1-bromo-4-butene
(3S,5aR,8aS,8bR)-3-Isopropyl-8b-methyl-octahydro-cyclopenta[3,4]pyrrolo[2,1-b]oxazol-5-one
(3S,5aS,8aS,8bR)-5a-But-3-enyl-3-isopropyl-8b-methyl-octahydro-cyclopenta[3,4]pyrrolo[2,1-b]oxazol-5-one
Conditions | Yield |
---|---|
With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; lithium diisopropyl amide In tetrahydrofuran 1.) -78 deg C up to 0 deg C; 2.) 0 deg C; 3.) -78 deg C; 4.) 0 deg C; | 99% |
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 12h; Reflux; | 99% |
With potassium carbonate In acetone for 12h; Inert atmosphere; Reflux; | 95% |
With potassium carbonate In acetonitrile for 12h; Reflux; | 85% |
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 18h; Heating; | 99% |
With potassium carbonate In acetonitrile for 12h; Reflux; | 99% |
With potassium carbonate In acetonitrile | 97% |
1-bromo-4-butene
1-[2-(3-fluorophenyl)ethyl]piperazine
1-but-3-enyl-4-[2-(3-fluoro-phenyl)-ethyl]piperazine
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 12h; Heating; | 99% |
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