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Cas:2270-59-9
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inquiryThe 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:2270-59-9
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inquiry2-Pentene,5-bromo-2-methyl- 5-bromo-2-methylpent-2-ene CAS No.: 2270-59-9 Synonyms: 1-bromo-4-methylpent-3-ene; 4-methylpent-3-enyl bromide; 5-Bromo-2-methyl-pent-2-ene; 4-methyl-3-pentenyl bromide; 2-Pentene,5-bromo-2-methyl; 5-Bromo-
Cas:2270-59-9
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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,
Cas:2270-59-9
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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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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:2270-59-9
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inquiryThe process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai
Cas:2270-59-9
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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
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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inquiryFactory supply high purity low price Appearance: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:2270-59-9
Min.Order:1 Gram
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Type:Trading Company
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
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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
2-Pentene,5-bromo-2-methyl- cas 2270-59-9Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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
Cas:2270-59-9
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inquirybulk?production Application:Pharmaceutical intermediates
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
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inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
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inquiryHigh quality,stable supply chain. Xi'an Future Biotechnology Co.,Ltd is mainly dedicated to the technology development of phosphorus compounds and related functional intermediates. The aim we pursue is to meet the modern and future demands
1.We are production factory which can provide commercial production of direct. 2. We could offer you competitive prices with satisfied quality. 3. We will choose the safest shipping methods to your addresses. 4. Our company provides af
Quality: 1. Testing before each delivery, including Nuclear Magnetic Resonance(NMR), Gas Chromatography(GC)/High Performance Liquid Chromatography(HPLC), Mass detection(MS), Optical rotation for chiral products. There are many other methods avail
Cas:2270-59-9
Min.Order:1 Kilogram
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inquiryAt Share Chemical Company, we scrupulously abide by our policy of “Excellent Quality at a Reasonable Price”. We strive to satisfy all of our customers by providing the finest quality products supported by the finest in customer servi
1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi
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
Cas:2270-59-9
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inquiryplease contact us to confirm the required quantity and quote, we will provide you with COA,NMR,HPLC and other relevant information Storage:Store in a cool place. Keep container tightly closed in a dry and well-ventilat
FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 5-BROMO-2-METHYL-2-PENTENE, CAS:2270-59-9 with the most competitive price and the bes
Conditions | Yield |
---|---|
With magnesium bromide In diethyl ether for 3h; Heating; | 93% |
With magnesium bromide In diethyl ether for 8h; Heating; | 89% |
With hydrogen bromide; lithium bromide In water at 0℃; for 0.75h; | 87% |
Cyclopropyl methyl ketone
methylmagnesium bromide
1-bromo-4-methylpent-3-ene
Conditions | Yield |
---|---|
Stage #1: Cyclopropyl methyl ketone; methylmagnesium bromide In tetrahydrofuran for 1h; Reflux; Inert atmosphere; Stage #2: With sulfuric acid In tetrahydrofuran; water at 10℃; for 0.5h; Inert atmosphere; | 88% |
Stage #1: Cyclopropyl methyl ketone; methylmagnesium bromide In tetrahydrofuran at 20℃; Inert atmosphere; Reflux; Stage #2: With sulfuric acid In tetrahydrofuran at 10℃; | 85% |
With sulfuric acid In diethyl ether for 1h; | 85% |
Conditions | Yield |
---|---|
With pyridine; phosphorus tribromide In diethyl ether for 8h; Ambient temperature; | 82% |
With hydrogen bromide | |
With pyridine; phosphorus tribromide | |
Multi-step reaction with 2 steps 1: pyridine 2: 56 percent / LiBr / acetone / 4 h / Heating View Scheme |
Conditions | Yield |
---|---|
With lithium bromide In acetone for 4h; Heating; | 56% |
2,5-dibromo-2-methylpentane
1-bromo-4-methylpent-3-ene
Conditions | Yield |
---|---|
With pyridine at 60 - 100℃; under 150 Torr; | |
With Potassium benzoate; acetic acid |
2,5-dibromo-2-methylpentane
Potassium benzoate
acetic acid
1-bromo-4-methylpent-3-ene
2-cyclopropyl-2-propanol
A
2,5-dibromo-2-methylpentane
B
1-bromo-4-methylpent-3-ene
Conditions | Yield |
---|---|
With hydrogen bromide at 10 - 15℃; for 0.133333h; |
2-cyclopropyl-2-propanol
A
1-bromo-4-methylpent-3-ene
B
1-bromo-4-methylpent-4-ene
Conditions | Yield |
---|---|
With hydrogen bromide In pentane |
Conditions | Yield |
---|---|
With carbon tetrabromide; triphenylphosphine 1) ether, 4 h, 2) CH2Cl2, ice cooling, 5 min; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine; phosphorus (III)-bromide 2: pyridine / 60 - 100 °C / 150 Torr View Scheme | |
Multi-step reaction with 2 steps 1: HBr 2: potassium benzoate; glacial acetic acid View Scheme | |
Multi-step reaction with 2 steps 1: benzene; phosphorus (III)-bromide 2: pyridine / 60 - 100 °C / 150 Torr View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: diethyl ether 2: pyridine; phosphorus (III)-bromide 3: pyridine / 60 - 100 °C / 150 Torr View Scheme | |
Multi-step reaction with 3 steps 1: diethyl ether 2: benzene; phosphorus (III)-bromide 3: pyridine / 60 - 100 °C / 150 Torr View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium; propan-2-ol 2: hydrogen bromide View Scheme |
Conditions | Yield |
---|---|
Stage #1: 1-bromo-4-methylpent-3-ene With iodine; magnesium In diethyl ether for 1h; Reflux; Stage #2: 4-methylsalicylaldehyde In diethyl ether for 0.5h; Reflux; | 100% |
1-bromo-4-methylpent-3-ene
piperidin-2-ylmethanol
(+/-)-<1-(4-methyl-3-pentenyl)-2-piperidyl>methanol
Conditions | Yield |
---|---|
With potassium carbonate In toluene at 110℃; for 72h; | 99% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 1h; Williamson Ether Synthesis; Darkness; Inert atmosphere; | 99% |
1-bromo-4-methylpent-3-ene
diethyl malonate
diethyl 2,2-bis(4-methylpent-3-enyl)malonate
Conditions | Yield |
---|---|
With potassium hydroxide; trifluorormethanesulfonic acid In dimethyl sulfoxide at 50℃; for 3h; | 98% |
Stage #1: diethyl malonate With sodium hydride In N,N-dimethyl-formamide for 0.5h; Stage #2: 1-bromo-4-methylpent-3-ene In N,N-dimethyl-formamide for 18h; Further stages.; | 66% |
1-bromo-4-methylpent-3-ene
Conditions | Yield |
---|---|
Stage #1: 1-bromo-4-methylpent-3-ene With lithium In diethyl ether at 0℃; for 2h; Inert atmosphere; Stage #2: With sulfur dioxide In diethyl ether; pentane at -78 - 20℃; for 2h; Inert atmosphere; Schlenk technique; | 98% |
1-bromo-4-methylpent-3-ene
2-Mercaptobenzothiazole
2-(4-methyl-pent-3-enylsulfanyl)-benzothiazole
Conditions | Yield |
---|---|
With tetra-(n-butyl)ammonium iodide; sodium hydride In N,N-dimethyl-formamide at 20℃; for 1.5h; | 97% |
1-bromo-4-methylpent-3-ene
4-piperidone hydrochloride
1-(4-methyl-3-pentenyl)-4-piperidone
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetonitrile at 80℃; for 7h; Alkylation; | 97% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 1h; Williamson Ether Synthesis; Darkness; Inert atmosphere; | 97% |
With potassium carbonate In acetone for 8h; Reflux; |
α-picoline
1-bromo-4-methylpent-3-ene
2-(5-methylhex-4-en-1-yl)pyridine
Conditions | Yield |
---|---|
Stage #1: α-picoline With n-butyllithium In tetrahydrofuran; hexane at -78 - 0℃; for 0.5h; Inert atmosphere; Stage #2: 1-bromo-4-methylpent-3-ene In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; | 96% |
With n-butyllithium 1.) THF, -78 deg C, 2.) THF, 3 h; Yield given. Multistep reaction; |
1-bromo-4-methylpent-3-ene
(S)-1-Pyrrolidin-2-yl-methanol
N-(4-methyl-3-pentenyl)-(S)-prolinol
Conditions | Yield |
---|---|
With potassium carbonate In toluene at 110℃; for 72h; | 96% |
Conditions | Yield |
---|---|
Stage #1: diethyl hydrazodicarboxylate With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil at 0℃; for 0.5h; Stage #2: 1-bromo-4-methylpent-3-ene In tetrahydrofuran; N,N-dimethyl-formamide; mineral oil at 20℃; for 24h; | 96% |
Conditions | Yield |
---|---|
Stage #1: 1-bromo-4-methylpent-3-ene With iodine; magnesium In diethyl ether for 1h; Reflux; Stage #2: 2,4-Dimethoxybenzaldehyde In diethyl ether at 0℃; for 18h; | 95% |
1-bromo-4-methylpent-3-ene
Conditions | Yield |
---|---|
Stage #1: 3',5'-O-bis(tert-butyldimethylsilyl)-N2-dimethylaminomethylene-2'-deoxyguanosine With caesium carbonate In tetrahydrofuran at 20℃; for 0.166667h; Stage #2: 1-bromo-4-methylpent-3-ene In tetrahydrofuran at 70℃; | 93% |
Conditions | Yield |
---|---|
Stage #1: 1-bromo-4-methylpent-3-ene With magnesium In diethyl ether; ethylene dibromide for 0.5h; Inert atmosphere; Reflux; Stage #2: 5-Methylfurfural In diethyl ether at 0℃; for 1h; Inert atmosphere; | 93% |
1-bromo-4-methylpent-3-ene
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; | 92.2% |
1-bromo-4-methylpent-3-ene
potassium phtalimide
2-(4-methylpent-3-en-1-yl)isoindoline-1,3-dione
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide 1) 80 deg C, 3 h; 2) RT, 3 h; | 92% |
In N,N-dimethyl-formamide at 110℃; Simmons-Smith Cyclopropanation; Inert atmosphere; | 91% |
In N,N-dimethyl-formamide at 90℃; for 3h; | 81% |
In acetonitrile Reflux; | 76% |
2-nitro-1H-imidazole
1-bromo-4-methylpent-3-ene
4-methyl-1-(2-nitro-1H-imidazol-1-yl)-3-pentene
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 75℃; for 48h; | 92% |
With potassium carbonate | 6.2 g (34%) |
1-bromo-4-methylpent-3-ene
2-isopropyl-2H-chromene
Conditions | Yield |
---|---|
With zirconocene dichloride; butyl magnesium bromide In tetrahydrofuran at 55℃; for 12h; Alkylation; | 92% |
1-bromo-4-methylpent-3-ene
5-iodo-2-methylpent-2-ene
Conditions | Yield |
---|---|
With sodium iodide In acetone at 20℃; for 20h; | 92% |
With alkali metal iodide Finkelstein reaction; | |
With sodium iodide In acetone at 20℃; Inert atmosphere; |
Conditions | Yield |
---|---|
Stage #1: 5-bromo-1H-indole With sodium hydride In N,N-dimethyl-formamide; mineral oil at 23℃; for 0.5h; Inert atmosphere; Stage #2: 1-bromo-4-methylpent-3-ene In N,N-dimethyl-formamide; mineral oil at 23℃; for 1h; Inert atmosphere; | 92% |
diethoxyphosphoryl-acetic acid ethyl ester
1-bromo-4-methylpent-3-ene
diethyl (1-carbethoxy-5-methyl-4-hexenyl)phosphonate
Conditions | Yield |
---|---|
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With potassium tert-butylate In N,N-dimethyl-formamide at 0℃; for 0.166667h; Stage #2: 1-bromo-4-methylpent-3-ene In N,N-dimethyl-formamide at 20℃; for 18h; Further stages.; | 91% |
42% | |
With potassium tert-butylate In N,N-dimethyl-formamide for 1h; Ambient temperature; | 42% |
1-bromo-4-methylpent-3-ene
4-methoxy-phenyl acetic acid methyl ester
methyl 2-(4-methoxyphenyl)-6-methylhept-5-enoate
Conditions | Yield |
---|---|
Stage #1: 4-methoxy-phenyl acetic acid methyl ester With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.5h; Stage #2: 1-bromo-4-methylpent-3-ene With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran at -78 - 20℃; for 16h; | 91% |
Stage #1: 4-methoxy-phenyl acetic acid methyl ester With lithium diisopropyl amide In tetrahydrofuran; diethyl ether at -78℃; for 0.5h; Stage #2: 1-bromo-4-methylpent-3-ene In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; diethyl ether at -78 - 20℃; | 58% |
Indole-3-carboxaldehyde
1-bromo-4-methylpent-3-ene
1-(4-methyl-3-pentenyl)indole-3-carbaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile Heating; | 90% |
N-hydroxyphthalimide
1-bromo-4-methylpent-3-ene
2-(4-methylpent-3-enyloxy)isoindoline-1,3-dione
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 100℃; for 4h; | 90% |
1-bromo-4-methylpent-3-ene
phenyl(trimethylsiloxy)acetonitrile
5-methyl-1-phenylhex-4-en-1-one
Conditions | Yield |
---|---|
Stage #1: phenyl(trimethylsiloxy)acetonitrile With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: 1-bromo-4-methylpent-3-ene In tetrahydrofuran; hexane at -78 - 20℃; for 5h; Inert atmosphere; | 90% |
1-bromo-4-methylpent-3-ene
(2S*,6R*,11R*)-6,11-dimethyl-1,2,3,4,5,6-hexahydro-2,6-methano-3-(4-methyl-3-pentenyl)-3-benzazocin-8-ol
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 100℃; for 5h; | 89.9% |
1-bromo-4-methylpent-3-ene
malonic acid dimethyl ester
dimethyl 2-(4-methylpent-3-en-1-yl)malonate
Conditions | Yield |
---|---|
Stage #1: malonic acid dimethyl ester With sodium hydride In tetrahydrofuran at 0℃; Stage #2: 1-bromo-4-methylpent-3-ene With tetra-(n-butyl)ammonium iodide In tetrahydrofuran for 9h; Reflux; | 89% |
Stage #1: malonic acid dimethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.0833333h; Schlenk technique; Inert atmosphere; Stage #2: 1-bromo-4-methylpent-3-ene With tetra-(n-butyl)ammonium iodide In tetrahydrofuran; mineral oil at 0 - 66℃; Schlenk technique; Inert atmosphere; | 49% |
With sodium methylate In methanol |
1-bromo-4-methylpent-3-ene
2,5-dibenzyloxy-4-methylacetophenone
2-O,5-O-dibenzyl-7-hydroxy-curcuhydroquinone
Conditions | Yield |
---|---|
With iodine; magnesium In tetrahydrofuran Inert atmosphere; | 89% |
Stage #1: 1-bromo-4-methylpent-3-ene With iodine; magnesium In tetrahydrofuran at 65℃; for 0.5h; Stage #2: 2,5-dibenzyloxy-4-methylacetophenone In tetrahydrofuran at 65℃; for 1.5h; Grignard reaction; | 81% |
Stage #1: 1-bromo-4-methylpent-3-ene With magnesium In tetrahydrofuran at 65℃; for 1h; Stage #2: 2,5-dibenzyloxy-4-methylacetophenone In tetrahydrofuran at 65℃; | 70% |
1-bromo-4-methylpent-3-ene
methyl 2-((tetrahydro-2H-pyran-2-yl)oxy)acetate
2,10-dimethyl-6-[(tetrahydro-2H-pyran-2-yloxy)methyl]-undeca-2,9-dien-6-ol
Conditions | Yield |
---|---|
Stage #1: 1-bromo-4-methylpent-3-ene With magnesium In diethyl ether for 2h; Heating; Stage #2: methyl 2-((tetrahydro-2H-pyran-2-yl)oxy)acetate In diethyl ether at -78 - 20℃; for 3h; Further stages.; | 89% |
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