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Dayang Chem (Hangzhou) Co.,Ltd.

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

Methyl 3,3-dimethylpent-4-enoate Manufacturer/High quality/Best price/In stock

Cas:63721-05-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome 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

High quality Methyl3,3-Dimethyl-4-Pentenoate supplier in China

Cas:63721-05-1

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience 2. Free samples will be provided,ensure specifications and quality are right for customer 3. Customers will receive the most professional techn

Large Stock 99.0% Methyl 3,3-dimethylpent-4-enoate 63721-05-1 Producer

Cas:63721-05-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

T he 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 service Appearance:W

Methyl 3,3-dimethylpent-4-enoate

Cas:63721-05-1

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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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 Methyl3,3-Dimethyl-4-Pentenoate

Cas:63721-05-1

Min.Order:1

Negotiable

Type:Other

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Chemwill Asia Co., Ltd.

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

3,3-Dimethyl-4-pentenoic acid methyl ester

Cas:63721-05-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

chengdu and import and export trade co., LTD., who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do res

Methyl 3,3-dimethylpent-4-enoate

Cas:63721-05-1

Min.Order:1 Metric Ton

FOB Price: $6000.0

Type:Trading Company

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name Methyl 3,3-dimethylpent-4-enoate CAS No. 63721-05-1

Methyl 3,3-dimethylpent-4-enoate

Cas:63721-05-1

Min.Order:1 Gram

FOB Price: $12.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our 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

Methyl 3,3-dimethylpent-4-enoate

Cas:63721-05-1

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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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

Wholesale price CAS 63721-05-1 with best price

Cas:63721-05-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our 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

3,3-Dimethyl-4-pentenoic acid methyl ester

Cas:63721-05-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name: Methyl 3,3-dimethylpent-4-enoate Synonyms: METHYL 3,3-DIMETHL-4-PENTENOATE;3,3-DIMETHYL-4-PENTENOIC ACID METHYL ESTER 96+%;methyl 3,3-dimethyl-4-pentenate;3,3-Dimethyl-4-pentenoic acid methyl;

Methyl 3,3-dimethylpent-4-enoate CAS: 63721-05-1

Cas:63721-05-1

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.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

4-Pentenoic acid,3,3-dimethyl-, methyl ester 63721-05-1

Cas:63721-05-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Methyl 3,3-dimethylpent-4-enoateCAS: 63721-05-1 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

Methyl 3,3-dimethylpent-4-enoateCAS: 63721-05-1

Cas:63721-05-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, 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 emai

4-Pentenoic acid,3,3-dimethyl-, methyl ester

Cas:63721-05-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several

Methyl 3,3-dimethyl-4-pentenoate cas:63721-05-1

Cas:63721-05-1

Min.Order:25 Gram

FOB Price: $90.0 / 100.0

Type:Trading Company

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

4-Pentenoic acid,3,3-dimethyl-, methyl ester

Cas:63721-05-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

Methyl3,3-Dimethyl-4-Pentenoate

Cas:63721-05-1

Min.Order:0

Negotiable

Type:Manufacturers

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Triumph International Development Limilted

Appearance:Colorless transparent liquid Storage:Store in a cool,dry place and keep away from direct strong light Package:200L UN proved steel drum,180 Kgs/drum. Application: Intermediate for pyrethroid pesticides. Transportation

Supply Methyl 3,3-dimethylpent-4-enoate99% CAS 63721-05-1

Cas:63721-05-1

Min.Order:100 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

3,3-Dimethyl-4-pentenoic acid methyl ester

Cas:63721-05-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&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

Methyl 3,3-dimethylpent-4-enoate

Cas:63721-05-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hefei Zhaobo Technology Co., Ltd.

Our Advantages Production: Advanced chemical equipment with years of experience Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Specif

Methyl 3,3-dimethylpent-4-enoate CAS 63721-05-1

Cas:63721-05-1

Min.Order:1 Kilogram

FOB Price: $75.0 / 150.0

Type:Trading Company

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive 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

Methyl 3,3-dimethylpent-4-enoate/High quality/Best price

Cas:63721-05-1

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

High quality Methyl 3,3-Dimethyl-4-Pentenoate

Cas:63721-05-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

Methyl 3,3-dimethylpent-4-enoateAppearance:colorless liquid Storage:Keep away of light, cool place Package:according to customers' requirements Application:pharmaceutical intermediates Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by se

Methyl 3,3-dimethylpent-4-enoate

Cas:63721-05-1

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We 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

3,3-Dimethyl-4-pentenoic acid methyl ester

Cas:63721-05-1

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Competitive Price High Quality Fast Delivery custom-made Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble me

63721-05-1,Methyl 3,3-dimethylpent-4-enoate

Cas:63721-05-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 3,3-Dimethyl-4-Pentenoic Acid Methyl Ester CAS No.: 63721-05-1 Molecule Formula:C8H14O2 Molecule Weight:142.20 Purity: 99.0% Package: 200kg/drum Description:Colorless transparent liquid Manufacture Standards:Enterprise S

Lower Price 3,3-Dimethyl-4-Pentenoic Acid Methyl Ester

Cas:63721-05-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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,

Methyl 3,3-dimethylpent-4-enoate Manufacturer/High quality/Best price/In stock

Cas:63721-05-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

Methyl 3,3-dimethylpent-4-enoate Chemical Properties Boiling point 59°C 4,4mm density 0.899 refractive index 1.423 Fp 107°F InChIKey MKLKDUHMZCIBSJ-UHFFFAOYSA-N CAS DataBase Reference 63721-05-1(CAS DataBase Reference) E

Methyl 3,3-Dimethyl-4-pentenoate

Cas:63721-05-1

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

inquiry

Synthetic route

Trimethyl orthoacetate
1445-45-0

Trimethyl orthoacetate

2-methyl-3-buten-2-ol
115-18-4

2-methyl-3-buten-2-ol

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

Conditions
ConditionsYield
With phosphoric acid at 190℃; under 9750.98 Torr; for 20h; Temperature; Claisen Rearrangement;97.2%
Trimethyl orthoacetate
1445-45-0

Trimethyl orthoacetate

3-methyl-2-buten-1-ol
556-82-1

3-methyl-2-buten-1-ol

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

Conditions
ConditionsYield
With phosphoric acid82.8%
With propionic acid at 145℃; for 2h;81%
With oenanthic acid at 180℃;80%
2-(1,1-dimethylallyl)malonic acid dimethyl ester
74866-35-6

2-(1,1-dimethylallyl)malonic acid dimethyl ester

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

Conditions
ConditionsYield
With sodium cyanide In water; dimethyl sulfoxide at 160℃;60%
α,α-dimethyl allyl methyl carbonate
70908-42-8

α,α-dimethyl allyl methyl carbonate

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: BSA / Mo(CO)6 / toluene / 100 °C
2: 60 percent / NaCN / dimethylsulfoxide; H2O / 160 °C
View Scheme
ethene
74-85-1

ethene

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

A

CH2's

CH2's

B

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

Conditions
ConditionsYield
With B(C6F5)3 In methanol
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

3,3-dimethyl-4-pentenol
53589-56-3

3,3-dimethyl-4-pentenol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 0.166667h; Reduction;100%
With lithium aluminium tetrahydride In diethyl ether for 3h; Reflux;95%
Stage #1: methyl 3,3-dimethyl-4-penteneoate With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 1h;
Stage #2: With water; sodium sulfate In tetrahydrofuran at 0℃;
93%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

3,3-dimethylpent-4-enoic acid
7796-73-8

3,3-dimethylpent-4-enoic acid

Conditions
ConditionsYield
Stage #1: methyl 3,3-dimethyl-4-penteneoate With sodium hydroxide In water Reflux;
Stage #2: With hydrogenchloride In water at 20℃;
100%
Stage #1: methyl 3,3-dimethyl-4-penteneoate With sodium hydroxide for 5h; Reflux;
Stage #2: With hydrogenchloride In water
90.6%
With potassium hydroxide; sulfuric acid In ethanol77%
1,1,1-Trichloro-2,2,2-trifluoroethane
354-58-5

1,1,1-Trichloro-2,2,2-trifluoroethane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

3,3-dimethyl-4,6,6-trichloro-7,7,7-trifluoro-enanthic acid methyl ester
72714-62-6

3,3-dimethyl-4,6,6-trichloro-7,7,7-trifluoro-enanthic acid methyl ester

Conditions
ConditionsYield
With dibenzoyl peroxide In tert-butyl alcohol at 115℃; under 2625.26 Torr; Reagent/catalyst; Temperature;99%
With tert-butyl peroxyneodecanoate at 60℃; for 6h; Reagent/catalyst; Inert atmosphere; Autoclave; Green chemistry;99.2%
With ethanolamine; copper(l) chloride In tert-butyl alcohol for 12h; Inert atmosphere; Reflux; Large scale;93.5%
Stage #1: 1,1,1-Trichloro-2,2,2-trifluoroethane With ethanolamine; copper(l) chloride In tert-butyl alcohol at 80℃; for 0.666667h; Inert atmosphere; Autoclave;
Stage #2: methyl 3,3-dimethyl-4-penteneoate In tert-butyl alcohol under 3000.3 Torr; for 14h; Inert atmosphere; Autoclave;
carbon tetrabromide
558-13-4

carbon tetrabromide

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 3,3-dimethyl-4,6,6,6-tetrabromohexanoate

methyl 3,3-dimethyl-4,6,6,6-tetrabromohexanoate

Conditions
ConditionsYield
With dibenzoyl peroxide at 80℃; for 6h; Inert atmosphere; Autoclave; Green chemistry;98.3%
1,1-dichloropropane
78-99-9

1,1-dichloropropane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

C11H20Cl2O2

C11H20Cl2O2

Conditions
ConditionsYield
With diacetyl peroxide at 80℃; for 6h; Inert atmosphere; Autoclave; Green chemistry;98.1%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

1-Bromo-2-butyne
3355-28-0

1-Bromo-2-butyne

C12H18O2

C12H18O2

Conditions
ConditionsYield
Stage #1: methyl 3,3-dimethyl-4-penteneoate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78 - 0℃; for 0.5h; Inert atmosphere;
Stage #2: 1-Bromo-2-butyne In tetrahydrofuran; hexane at -40℃; for 0.75h;
97%
tetrachloromethane
56-23-5

tetrachloromethane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 4,6,6,6-tetrachloro-3,3-dimethylhexanoate
64667-33-0

methyl 4,6,6,6-tetrachloro-3,3-dimethylhexanoate

Conditions
ConditionsYield
With dibenzoyl peroxide at 80℃; for 8h;95%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

3,3,5-trimethyl-5-hydroxy-1-hexene
173932-32-6

3,3,5-trimethyl-5-hydroxy-1-hexene

Conditions
ConditionsYield
With methylmagnesium bromide; ammonium chloride In diethyl ether95%
2-(dimethylhydrosilyl)pyridine
21032-48-4

2-(dimethylhydrosilyl)pyridine

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

dimethyl(4-methoxycarbonyl-3,3-dimethylpentyl)(2-pyridyl)silane
226225-90-7

dimethyl(4-methoxycarbonyl-3,3-dimethylpentyl)(2-pyridyl)silane

Conditions
ConditionsYield
RhCl(PPh3)3 In acetonitrile for 1h; Ambient temperature;83%
With RhCl(PPh3)3 In acetonitrile at 20℃; for 0.5h;83%
1,1-Dichloro-2,2,2,2-trifluoroethane sulphonyl chloride

1,1-Dichloro-2,2,2,2-trifluoroethane sulphonyl chloride

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 3,3-dimethyl-4,6,6-trifluoro-7,7,7-trifluoroheptanoate

methyl 3,3-dimethyl-4,6,6-trifluoro-7,7,7-trifluoroheptanoate

Conditions
ConditionsYield
With dibenzoyl peroxide In toluene82%
carbon monoxide
201230-82-2

carbon monoxide

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

aniline
62-53-3

aniline

methyl 3,3-dimethyl-6-(phenylamino)hexanoate

methyl 3,3-dimethyl-6-(phenylamino)hexanoate

Conditions
ConditionsYield
With 2,2'-bis((diphenylphosphino)methyl)-1,1'-biphenyl; dicarbonylacetylacetonato rhodium (I); C29H32ClIrNO; hydrogen; sodium formate In methanol; toluene at 80℃; under 2550.26 Torr; for 20h; regioselective reaction;82%
[(1-methoxy-2-methyl-1-butenyl)oxy]trimethylsilane
123820-43-9, 123820-44-0, 84393-12-4

[(1-methoxy-2-methyl-1-butenyl)oxy]trimethylsilane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

A

methyl 2-ethyl-2,5,5-trimethyl-3-(trimethylsiloxy)hepta-3,6-dienoate

methyl 2-ethyl-2,5,5-trimethyl-3-(trimethylsiloxy)hepta-3,6-dienoate

B

methyl 2-ethyl-2,5,5-trimethyl-3-oxohept-6-enoate

methyl 2-ethyl-2,5,5-trimethyl-3-oxohept-6-enoate

Conditions
ConditionsYield
With sodium hydroxide In N,N-dimethyl-formamide at 20 - 25℃; for 1h; Claisen condensation; Inert atmosphere;A 81%
B 6%
With sodium hydroxide In N,N-dimethyl-formamide at 15 - 20℃; for 1h; crossed Claisen condensation;
2-phenyl[1,3,2]dioxaborolane
4406-72-8

2-phenyl[1,3,2]dioxaborolane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

(E)-5-phenyl-3,3-dimethylpent-4-enoic acid methyl ester

(E)-5-phenyl-3,3-dimethylpent-4-enoic acid methyl ester

Conditions
ConditionsYield
With oxygen; copper(II) bis(trifluoromethanesulfonate) In N,N-dimethyl acetamide at 40℃; under 760.051 Torr; for 48h; Heck Reaction; regioselective reaction;81%
formic acid
64-18-6

formic acid

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

6-methoxy-4,4-dimethyl-6-oxohexanoic acid

6-methoxy-4,4-dimethyl-6-oxohexanoic acid

Conditions
ConditionsYield
With carbon monoxide; palladium on activated charcoal; 1,4-di(diphenylphosphino)-butane In 1,2-dimethoxyethane at 150℃; under 5168 Torr; for 24h;80%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

octa(4-carboxymethyl-3,3-dimethylbutyl)silsesquioxane

octa(4-carboxymethyl-3,3-dimethylbutyl)silsesquioxane

Conditions
ConditionsYield
With 8; Speier's catalyst In hexane for 48h; Heating;80%
2-Methylthiophene
554-14-3

2-Methylthiophene

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl (E)-3,3-dimethyl-5-(5-methylthiophen-2-yl)pent-4-enoate

methyl (E)-3,3-dimethyl-5-(5-methylthiophen-2-yl)pent-4-enoate

Conditions
ConditionsYield
With sodium 3-(methylthio)propane-1-sulfonate; palladium diacetate; acetic acid; hydroquinone at 40℃; for 18h;79%
With palladium diacetate; copper(II) acetate monohydrate In dimethyl sulfoxide for 0.5h; Heck Reaction; Milling; chemoselective reaction;40%
1,2-dibromo-1-chloro-1,2,2-trifluoroethane
354-51-8

1,2-dibromo-1-chloro-1,2,2-trifluoroethane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

ethanolamine
141-43-5

ethanolamine

methyl 3,3-dimethyl-4,7-dibromo-6-chloro-6,7,7-trifluoroheptanoate
89608-40-2

methyl 3,3-dimethyl-4,7-dibromo-6-chloro-6,7,7-trifluoroheptanoate

Conditions
ConditionsYield
78%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 4,5-epoxy-3,3-dimethylpentanoate
78984-87-9

methyl 4,5-epoxy-3,3-dimethylpentanoate

Conditions
ConditionsYield
With rhenium trioxide; bis-trimethylsilanyl peroxide; water In dichloromethane at 20℃; for 15h;77%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

3,3-dimethyl-5-trichlorosilanyl-pentanoic acid methyl ester

3,3-dimethyl-5-trichlorosilanyl-pentanoic acid methyl ester

Conditions
ConditionsYield
With trichlorosilane; dihydrogen hexachloroplatinate77%
2-(tert-butyldimethylsilyloxy)-1-methoxy-1-trimethylsilyloxy-1-propene
940867-32-3

2-(tert-butyldimethylsilyloxy)-1-methoxy-1-trimethylsilyloxy-1-propene

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 2-hydroxy-2,5,5-trimethyl-3-oxohept-6-enoate
1178908-68-3

methyl 2-hydroxy-2,5,5-trimethyl-3-oxohept-6-enoate

Conditions
ConditionsYield
Stage #1: 2-(tert-butyldimethylsilyloxy)-1-methoxy-1-trimethylsilyloxy-1-propene; methyl 3,3-dimethyl-4-penteneoate With sodium hydroxide In 1-methyl-pyrrolidin-2-one at 20 - 25℃; for 3h; Claisen condensation; Inert atmosphere;
Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran at 0 - 5℃; for 1h; Inert atmosphere;
76%
5-nitropent-1-ene
23542-51-0

5-nitropent-1-ene

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl (4E)-3,3-dimethyl-8-nitrooct-4-enoate

methyl (4E)-3,3-dimethyl-8-nitrooct-4-enoate

Conditions
ConditionsYield
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane for 18h; Heating;73%
(1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate
1392314-08-7

(1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 5-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)-3,3-dimethylpentanoate
1622928-60-2

methyl 5-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)-3,3-dimethylpentanoate

Conditions
ConditionsYield
Stage #1: methyl 3,3-dimethyl-4-penteneoate With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran at 0 - 20℃; for 2h; Inert atmosphere; Cooling with ice;
Stage #2: (1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium phosphate; phosphoric acid In tetrahydrofuran; 1,4-dioxane; toluene at 85℃; for 16h; Temperature; Time; Inert atmosphere;
72.8%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

cyclohexanylcarbonyl chloride
2719-27-9

cyclohexanylcarbonyl chloride

methyl 3-cyclohexyl-3-oxo-2-(1,1-dimethyl-2-propenyl)propanoate

methyl 3-cyclohexyl-3-oxo-2-(1,1-dimethyl-2-propenyl)propanoate

Conditions
ConditionsYield
Stage #1: methyl 3,3-dimethyl-4-penteneoate; cyclohexanylcarbonyl chloride With 1-methyl-1H-imidazole In dichloromethane at -45℃; for 0.166667h;
Stage #2: With tributyl-amine; titanium tetrachloride In dichloromethane at -45℃; for 0.5h;
69%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl (E)-3,3-dimethyl-5-nitropent-4-enoate

methyl (E)-3,3-dimethyl-5-nitropent-4-enoate

Conditions
ConditionsYield
With tert.-butylnitrite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical In 1,4-dioxane at 90℃; for 12h; Inert atmosphere;68%
oxalic acid
144-62-7

oxalic acid

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

6-methoxy-4,4-dimethyl-6-oxohexanoic acid

6-methoxy-4,4-dimethyl-6-oxohexanoic acid

Conditions
ConditionsYield
With carbon monoxide; palladium on activated charcoal; 1,4-di(diphenylphosphino)-butane In 1,2-dimethoxyethane at 150℃; under 30400 Torr; for 24h;67%
1,3-dioxoisoindolin-2-yl 4-phenylbutanoate

1,3-dioxoisoindolin-2-yl 4-phenylbutanoate

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 3,3-dimethyl-8-phenyloctanoate

methyl 3,3-dimethyl-8-phenyloctanoate

Conditions
ConditionsYield
With bis(triphenylphosphine)nickel(II) chloride; magnesium(II) acetate tetrahydrate; 4,4'-di-tert-butyl-2,2'-bipyridine In N,N-dimethyl acetamide at 40℃; for 2h; Schlenk technique; Inert atmosphere; regioselective reaction;67%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

propargyl bromide
106-96-7

propargyl bromide

methyl 3,3-dimethylhepta-1-ene-6-yne-4-carboxylate
119548-51-5

methyl 3,3-dimethylhepta-1-ene-6-yne-4-carboxylate

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran at -78℃;66%
With lithium diisopropyl amide 1) THF, HMPA, -63 deg C, 15 min, 2) THF, HMPA, -63 deg C, 20 min.; Yield given. Multistep reaction;
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

phenylboronic acid
98-80-6

phenylboronic acid

(E)-5-phenyl-3,3-dimethylpent-4-enoic acid methyl ester

(E)-5-phenyl-3,3-dimethylpent-4-enoic acid methyl ester

Conditions
ConditionsYield
With palladium diacetate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; trichloroacetic acid In neat (no solvent) for 0.5h; Heck Reaction; Milling; chemoselective reaction;65%
With palladium diacetate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; trichloroacetic acid for 0.666667h; Heck Reaction; Milling; Sonication;

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