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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

2-Pentene,5-bromo-2-methyl-

Cas:2270-59-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Manufacturer supply CAS 2270-59-9 with best quality

Cas:2270-59-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Ality Chemical Corporation

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

Factory Supply 5-bromo-2-methyl-2-pentene

Cas:2270-59-9

Min.Order:0 Metric Ton

Negotiable

Type:Other

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Henan Tianfu Chemical Co., Ltd.

2-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-

CAS2270-59-9 5-bromo-2-methylpent-2-ene

Cas:2270-59-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Zibo Dorne chemical technology co. LTD

Product 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,

2-Pentene,5-bromo-2-methyl-

Cas:2270-59-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Suzhou Health Chemicals Co., Ltd.

High 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

5-Bromo-2-methyl-2-pentene

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

5-BROMO-2-METHYL-2-PENTENE Cas no.2270-59-9 98%

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Suzhou Sibian Chemical Technology Co., Ltd

The 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

5-BROMO-2-METHYL-2-PENTENE

Cas:2270-59-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Kono Chem Co.,Ltd

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

5-Bromo-2-methyl-2-pentene

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Other

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Shanghai Acmec Biochemical Technology Co., Ltd.

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

Acmec 5-Bromo-2-methylpent-2-ene 25g

Cas:2270-59-9

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

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Guangdong Juda Chemical Industrial Co.,Limited

Factory 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

5-bromo-2-methyl-2-pentene CAS 2270-59-9 with low price

Cas:2270-59-9

Min.Order:1 Gram

Negotiable

Type:Trading Company

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Antimex Chemical Limied

Ansciep 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

5-BROMO-2-METHYL-2-PENTENE

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Wuhan Circle Star Chem-medical Technology co.,Ltd.

good 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

5-BROMO-2-METHYL-2-PENTENE

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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BOC Sciences

We 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

5-Bromo-2-methyl-2-pentene

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Trading Company

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Hangzhou Fandachem Co.,Ltd

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

2-Pentene,5-bromo-2-methyl- cas 2270-59-9

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Other

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Hunan Longxianng Runhui Trading Co.,Ltd

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

5-BROMO-2-METHYL-2-PENTENE

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

5-BROMO-2-METHYL-2-PENTENE

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

5-BROMO-2-METHYL-2-PENTENE

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Trading Company

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LEAP CHEM Co., Ltd.

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

5-Bromo-2-methylpent-2-ene

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Trading Company

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Bide Pharmatech Ltd

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

5-Bromo-2-methylpent-2-ene

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Other

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HENAN SUNLAKE ENTERPRISE CORPORATION

5-BROMO-2-METHYL-2-PENTENE

Cas:2270-59-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, 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

2-Pentene,5-bromo-2-methyl- CAS NO.2270-59-9

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Trading Company

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Xi’an Future Biotechnology Co.,Ltd

High 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

5-Bromo-2-Methylpent-2-ene

Cas:2270-59-9

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Jiangsu Mingchem Corporation

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

5-bromo-2-methyl-2-pentene

Cas:2270-59-9

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Nanjing Raymon Biotech Co., Ltd.

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

5-Bromo-2-methyl-2-pentene

Cas:2270-59-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Trading Company

inquiry

Hangzhou Share Chemical Co., Ltd

At 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

5-BroMo-2-Methyl-2-pentene

Cas:2270-59-9

Min.Order:1 Gram

Negotiable

Type:Other

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Chemical Technology Co.,LTD

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

5-BROMO-2-METHYL-2-PENTENE

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Other

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Nanjing Norris Pharm Technology Co., Ltd.

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

5-BROMO-2-METHYL-2-PENTENE

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Nanjing Chemlin Chemical Co., Ltd.

please 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

5-BROMO-2-METHYL-2-PENTENE

Cas:2270-59-9

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Finetech Industry Limited

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

5-BROMO-2-METHYL-2-PENTENE

Cas:2270-59-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

2-cyclopropyl-2-propanol
930-39-2

2-cyclopropyl-2-propanol

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

Conditions
ConditionsYield
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
765-43-5

Cyclopropyl methyl ketone

methylmagnesium bromide
75-16-1

methylmagnesium bromide

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

Conditions
ConditionsYield
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%
4-methylpent-3-en-1-ol
763-89-3

4-methylpent-3-en-1-ol

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

Conditions
ConditionsYield
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
4-methylpent-3-enyl 4-methylbenzenesulfonate
783-86-8

4-methylpent-3-enyl 4-methylbenzenesulfonate

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

Conditions
ConditionsYield
With lithium bromide In acetone for 4h; Heating;56%
2,5-dibromo-2-methylpentane
52278-94-1

2,5-dibromo-2-methylpentane

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

Conditions
ConditionsYield
With pyridine at 60 - 100℃; under 150 Torr;
With Potassium benzoate; acetic acid
2,5-dibromo-2-methylpentane
52278-94-1

2,5-dibromo-2-methylpentane

Potassium benzoate
582-25-2

Potassium benzoate

acetic acid
64-19-7

acetic acid

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

2-cyclopropyl-2-propanol
930-39-2

2-cyclopropyl-2-propanol

A

2,5-dibromo-2-methylpentane
52278-94-1

2,5-dibromo-2-methylpentane

B

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

Conditions
ConditionsYield
With hydrogen bromide at 10 - 15℃; for 0.133333h;
2-cyclopropyl-2-propanol
930-39-2

2-cyclopropyl-2-propanol

A

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

B

1-bromo-4-methylpent-4-ene
41182-50-7

1-bromo-4-methylpent-4-ene

Conditions
ConditionsYield
With hydrogen bromide In pentane
4-butanolide
96-48-0

4-butanolide

methyl magnesium iodide
917-64-6

methyl magnesium iodide

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

Conditions
ConditionsYield
With carbon tetrabromide; triphenylphosphine 1) ether, 4 h, 2) CH2Cl2, ice cooling, 5 min; Yield given. Multistep reaction;
2-cyclopropyl-2-propanol
930-39-2

2-cyclopropyl-2-propanol

HBr

HBr

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

4-methyl-1,4-pentanediol
1462-10-8

4-methyl-1,4-pentanediol

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

Conditions
ConditionsYield
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
5-Hydroxy-2-pentanone
1071-73-4

5-Hydroxy-2-pentanone

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

Conditions
ConditionsYield
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
ethyl 4-methyl-3-pentenoate
6849-18-9

ethyl 4-methyl-3-pentenoate

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium; propan-2-ol
2: hydrogen bromide
View Scheme
1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

4-methylsalicylaldehyde
698-27-1

4-methylsalicylaldehyde

C14H20O2

C14H20O2

Conditions
ConditionsYield
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
2270-59-9

1-bromo-4-methylpent-3-ene

piperidin-2-ylmethanol
3433-37-2

piperidin-2-ylmethanol

(+/-)-<1-(4-methyl-3-pentenyl)-2-piperidyl>methanol
167750-59-6

(+/-)-<1-(4-methyl-3-pentenyl)-2-piperidyl>methanol

Conditions
ConditionsYield
With potassium carbonate In toluene at 110℃; for 72h;99%
5-(4’-hydroxyphenyl)-10,15,20-triphenylporphyrin

5-(4’-hydroxyphenyl)-10,15,20-triphenylporphyrin

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

C50H40N4O

C50H40N4O

Conditions
ConditionsYield
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
2270-59-9

1-bromo-4-methylpent-3-ene

diethyl malonate
105-53-3

diethyl malonate

diethyl 2,2-bis(4-methylpent-3-enyl)malonate
336885-03-1

diethyl 2,2-bis(4-methylpent-3-enyl)malonate

Conditions
ConditionsYield
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
2270-59-9

1-bromo-4-methylpent-3-ene

lithium cyclopentylmethanesulfinate

lithium cyclopentylmethanesulfinate

Conditions
ConditionsYield
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
2270-59-9

1-bromo-4-methylpent-3-ene

2-Mercaptobenzothiazole
149-30-4

2-Mercaptobenzothiazole

2-(4-methyl-pent-3-enylsulfanyl)-benzothiazole
864948-23-2

2-(4-methyl-pent-3-enylsulfanyl)-benzothiazole

Conditions
ConditionsYield
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
2270-59-9

1-bromo-4-methylpent-3-ene

4-piperidone hydrochloride
41979-39-9

4-piperidone hydrochloride

1-(4-methyl-3-pentenyl)-4-piperidone
203321-74-8

1-(4-methyl-3-pentenyl)-4-piperidone

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In acetonitrile at 80℃; for 7h; Alkylation;97%
1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

phenol
108-95-2

phenol

1-(4-methylpent-3-enyloxy)benzene
88626-76-0

1-(4-methylpent-3-enyloxy)benzene

Conditions
ConditionsYield
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
109-06-8

α-picoline

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

2-(5-methylhex-4-en-1-yl)pyridine
139367-31-0

2-(5-methylhex-4-en-1-yl)pyridine

Conditions
ConditionsYield
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
2270-59-9

1-bromo-4-methylpent-3-ene

(S)-1-Pyrrolidin-2-yl-methanol
23356-96-9

(S)-1-Pyrrolidin-2-yl-methanol

N-(4-methyl-3-pentenyl)-(S)-prolinol
166317-94-8

N-(4-methyl-3-pentenyl)-(S)-prolinol

Conditions
ConditionsYield
With potassium carbonate In toluene at 110℃; for 72h;96%
1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

diethyl hydrazodicarboxylate
4114-28-7

diethyl hydrazodicarboxylate

Diethyl 1-(3-methyl-2-buten-1-yl)-1,2-hydrazinedicarboxylate

Diethyl 1-(3-methyl-2-buten-1-yl)-1,2-hydrazinedicarboxylate

Conditions
ConditionsYield
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%
1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

2,4-Dimethoxybenzaldehyde
613-45-6

2,4-Dimethoxybenzaldehyde

C15H22O3

C15H22O3

Conditions
ConditionsYield
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
2270-59-9

1-bromo-4-methylpent-3-ene

3',5'-O-bis(tert-butyldimethylsilyl)-N2-dimethylaminomethylene-2'-deoxyguanosine

3',5'-O-bis(tert-butyldimethylsilyl)-N2-dimethylaminomethylene-2'-deoxyguanosine

3',5'-O-bis(tert-butyldimethylsilyl)-1-(4-methylpent-3-enyl)-N2-dimethylaminomethylene-2'-deoxyguanosine

3',5'-O-bis(tert-butyldimethylsilyl)-1-(4-methylpent-3-enyl)-N2-dimethylaminomethylene-2'-deoxyguanosine

Conditions
ConditionsYield
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%
5-Methylfurfural
620-02-0

5-Methylfurfural

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

5-methyl-1-(5-methylfuran-2-yl)hex-4-en-1-ol

5-methyl-1-(5-methylfuran-2-yl)hex-4-en-1-ol

Conditions
ConditionsYield
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
2270-59-9

1-bromo-4-methylpent-3-ene

7-chloro-3-(2-(6-cyclopropyl-1H-indol-3-yl)-2-oxoethoxy)-2-naphthamide

7-chloro-3-(2-(6-cyclopropyl-1H-indol-3-yl)-2-oxoethoxy)-2-naphthamide

7-chloro-3-(2-(6-cyclopropyl-1-(4-methylpent-3-enyl)-1H-indol-3-yl)-2-oxoethoxy)-2-naphthamide

7-chloro-3-(2-(6-cyclopropyl-1-(4-methylpent-3-enyl)-1H-indol-3-yl)-2-oxoethoxy)-2-naphthamide

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃;92.2%
1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

potassium phtalimide
1074-82-4

potassium phtalimide

2-(4-methylpent-3-en-1-yl)isoindoline-1,3-dione
13296-42-9

2-(4-methylpent-3-en-1-yl)isoindoline-1,3-dione

Conditions
ConditionsYield
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
527-73-1

2-nitro-1H-imidazole

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

4-methyl-1-(2-nitro-1H-imidazol-1-yl)-3-pentene
149876-82-4

4-methyl-1-(2-nitro-1H-imidazol-1-yl)-3-pentene

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 75℃; for 48h;92%
With potassium carbonate6.2 g (34%)
1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

2-isopropyl-2H-chromene
30447-49-5

2-isopropyl-2H-chromene

4-(1-(4-methylpent-3-enyl)-4-methylpent-2-enyl)-phenol

4-(1-(4-methylpent-3-enyl)-4-methylpent-2-enyl)-phenol

Conditions
ConditionsYield
With zirconocene dichloride; butyl magnesium bromide In tetrahydrofuran at 55℃; for 12h; Alkylation;92%
1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

5-iodo-2-methylpent-2-ene
43161-11-1

5-iodo-2-methylpent-2-ene

Conditions
ConditionsYield
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;
5-bromo-1H-indole
10075-50-0

5-bromo-1H-indole

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

C14H16BrN

C14H16BrN

Conditions
ConditionsYield
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
867-13-0

diethoxyphosphoryl-acetic acid ethyl ester

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

diethyl (1-carbethoxy-5-methyl-4-hexenyl)phosphonate
107554-02-9

diethyl (1-carbethoxy-5-methyl-4-hexenyl)phosphonate

Conditions
ConditionsYield
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
2270-59-9

1-bromo-4-methylpent-3-ene

4-methoxy-phenyl acetic acid methyl ester
23786-14-3

4-methoxy-phenyl acetic acid methyl ester

methyl 2-(4-methoxyphenyl)-6-methylhept-5-enoate
1350468-24-4

methyl 2-(4-methoxyphenyl)-6-methylhept-5-enoate

Conditions
ConditionsYield
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
487-89-8

Indole-3-carboxaldehyde

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

1-(4-methyl-3-pentenyl)indole-3-carbaldehyde
192997-21-0

1-(4-methyl-3-pentenyl)indole-3-carbaldehyde

Conditions
ConditionsYield
With potassium carbonate In acetonitrile Heating;90%
N-hydroxyphthalimide
524-38-9

N-hydroxyphthalimide

1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

2-(4-methylpent-3-enyloxy)isoindoline-1,3-dione
1177369-84-4

2-(4-methylpent-3-enyloxy)isoindoline-1,3-dione

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 100℃; for 4h;90%
1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

phenyl(trimethylsiloxy)acetonitrile
25438-37-3

phenyl(trimethylsiloxy)acetonitrile

5-methyl-1-phenylhex-4-en-1-one
4535-64-2

5-methyl-1-phenylhex-4-en-1-one

Conditions
ConditionsYield
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
2270-59-9

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
74400-52-5, 83377-70-2, 99342-06-0

(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
ConditionsYield
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 100℃; for 5h;89.9%
1-bromo-4-methylpent-3-ene
2270-59-9

1-bromo-4-methylpent-3-ene

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

dimethyl 2-(4-methylpent-3-en-1-yl)malonate
18776-25-5

dimethyl 2-(4-methylpent-3-en-1-yl)malonate

Conditions
ConditionsYield
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
2270-59-9

1-bromo-4-methylpent-3-ene

2,5-dibenzyloxy-4-methylacetophenone
474842-49-4

2,5-dibenzyloxy-4-methylacetophenone

2-O,5-O-dibenzyl-7-hydroxy-curcuhydroquinone
474842-51-8

2-O,5-O-dibenzyl-7-hydroxy-curcuhydroquinone

Conditions
ConditionsYield
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
2270-59-9

1-bromo-4-methylpent-3-ene

methyl 2-((tetrahydro-2H-pyran-2-yl)oxy)acetate
135643-82-2

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
1008776-29-1

2,10-dimethyl-6-[(tetrahydro-2H-pyran-2-yloxy)methyl]-undeca-2,9-dien-6-ol

Conditions
ConditionsYield
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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