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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

3,3-Dimethyl-1-butyne Manufacturer/High quality/Best price/In stock

Cas:917-92-0

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 Tert-Butylacetylene supplier in China

Cas:917-92-0

Min.Order:0 Metric Ton

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Jinan Finer Chemical Co., Ltd

Product description: Product name 3,3-Dimethyl-1-butyne CAS number 917-92-0 Assay ≥99% Appearance Colorless transparent liquid Capacity 200mt/year Application Terbinafine Hyd

3,3-Dimethyl-1-butyne

Cas:917-92-0

Min.Order:10 Gram

FOB Price: $12.0

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for 3,3-Dimethyl-1-butyne Cas 917-92-0 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Clear, colorless volatile liquid Storage:Cool dry place Package

Factory supply 3,3-Dimethyl-1-butyne Cas 917-92-0 with high quality and best price

Cas:917-92-0

Min.Order:1 Kilogram

FOB Price: $115.0 / 125.0

Type:Trading Company

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance Clear, colorless volatile liquid Clear, colorless volatile liquid Melting point

Top purity 3,3-Dimethyl-1-butyne with high quality and best price cas:917-92-0

Cas:917-92-0

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Manufacturers

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Hangzhou Think Chemical Co. Ltd

3,3-Dimethyl-1-butyne CAS No.:917-92-0 Name: 3,3-Dimethyl-1-butyne Synonyms: tert-Butylacetylene Molecular Structure Molecular Formula: C6H10 Molecular Weight: 82.14 CAS Registry N

High purity 3,3-Dimethyl-1-butyne CAS No.:917-92-0

Cas:917-92-0

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Other

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid 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

3,3-DiMethyl-1-butyne

Cas:917-92-0

Min.Order:1 Kilogram

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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 3,3-dimethylbutyne

Cas:917-92-0

Min.Order:1

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Type:Other

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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 experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality 99% 917-92-0 3,3-dimethyl-1-butyne Manufacturer

Cas:917-92-0

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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EAST CHEMSOURCES LIMITED

3,3-Dimethyl-1-butyne CAS No: 917-92-0 Molecular Structure: Specifications: Item Details Appearan

3,3-Dimethyl-1-butyne

Cas:917-92-0

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

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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-1-Butyne

Cas:917-92-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM--917-92-0--3,3-Dimethyl-1-butyne in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable business relati

TIANFUCHEM--917-92-0--3,3-Dimethyl-1-butyne in stock

Cas:917-92-0

Min.Order:1 Metric Ton

FOB Price: $2000.0

Type:Lab/Research institutions

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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

3,3-Dimethyl-1-butyne In stock

Cas:917-92-0

Min.Order:1 Gram

FOB Price: $1000.0 / 1300.0

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

Factory direct supply CAS 917-92-0 with best quality

Cas:917-92-0

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-1-butyne best price

Cas:917-92-0

Min.Order:10 Kilogram

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Type:Trading Company

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

3,3-Dimethyl-1-butyne/ LIDE PHARMA- Factory supply / Best price

Cas:917-92-0

Min.Order:0

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Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

English Name: 3,3-Dimethyl-1-butyne English synonyms: T-BUTYL ACETYLENE CAS: 917-92-0 Molecular formula:

3,3-Dimethyl-1-butyne CAS: 917-92-0

Cas:917-92-0

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed conta

high quality 917-92-0 3,3-Dimethyl-1-butyne with best price

Cas:917-92-0

Min.Order:10 Gram

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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

3,3-Dimethyl-1-butyne 917-92-0

Cas:917-92-0

Min.Order:1 Kilogram

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Shanghai Minstar Chemical Co., Ltd

Product Name: 3,3-Dimethyl-1-butyne Synonyms: (CH3)3CCequivCH;3,3,3-Trimethylpropyne;3,3-dimethyl-but-1-yne;3,3-Dimethylbutyne;1-BUTYNE, 3,3-DIMETHYL-;1,2-DIMETHYL-1,4-CYCLOHEXADIENE;3,3-DIMETHYL-1-BUTYNE;3,3-DIMETHYLBUTYNE-1 CAS: 917-92-0 MF: C

tert-Butylacetylene 917-92-0 The top seller

Cas:917-92-0

Min.Order:1 Kilogram

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Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

3,3-Dimethyl-1-butyne CAS:917-92-0 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 inter

3,3-Dimethyl-1-butyne CAS:917-92-0

Cas:917-92-0

Min.Order:1 Gram

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Type:Lab/Research institutions

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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

CAS NO.:917-92-0

Cas:917-92-0

Min.Order:0

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Lonwin Chemical Group Limited

3,3-Dimethyl-1-Butyne CAS: 917-92-0 Specification Items Standard Result Appearance Clear, colorless volatile liquid Clear, colorless volatile liquid Me

Factory supply 3,3-Dimethyl-1-Butyne

Cas:917-92-0

Min.Order:1 Kilogram

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Type:Other

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Specification:USP/EP Month production ablity:50kg/Month Low price& High quality Manufacturer Appearance:white powder Storage:Room Temperature Application:917-92-0

3,3-Dimethyl-1-Butyne 917-92-0

Cas:917-92-0

Min.Order:0 Metric Ton

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Type:Trading Company

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Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

3,3-DIMETHYL-1-BUTYNE

Cas:917-92-0

Min.Order:1 Gram

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Type:Lab/Research institutions

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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

tert-Butylacetylene

Cas:917-92-0

Min.Order:0

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Type:Lab/Research institutions

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SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

2-Bromo-4-fluoro-6-methylbenzonitrile

Cas:917-92-0

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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Chemlyte Solutions

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

Featured products 3,3-Dimethyl-1-butyne

Cas:917-92-0

Min.Order:100 Gram

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Type:Other

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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

tert-Butylacetylene/High quality/Best price

Cas:917-92-0

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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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 Tert-Butylacetylene

Cas:917-92-0

Min.Order:10 Gram

FOB Price: $100.0

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Synthetic route

2,2-dichloro-3,3-dimethylbutane
594-84-3

2,2-dichloro-3,3-dimethylbutane

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With 18-crown-6 ether; potassium tert-butylate In Petroleum ether at 60℃; for 2h;99%
With potassium tert-butylate In dimethyl sulfoxide for 2h;90%
With 1,6,17-trioxa-(2',5')-diphenyl-1',3',4'-oxadiazolo[6]phane; 3,4-benz-1,6,17-(O)3-(2',5')-Ph2-1',3',4'-oxadiazolo[6]phane; sodium methylate In dimethyl sulfoxide; Petroleum ether at 30℃; for 4h;65%
1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With 18-crown-6 ether; potassium tert-butylate In Petroleum ether at 60℃; for 2h;91%
With potassium hydroxide; tetraoctyl ammonium bromide In Petroleum ether at 90℃; for 6h;86%
With potassium tert-butylate; 18-crown-6 ether In Petroleum ether84%
With potassium hydroxide; 2,5-dimethyl-2,5-hexanediol at 100℃; for 0.75h;80%
With potassium tert-butylate Heating;
1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

A

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

B

2-Bromo-3,3-dimethyl-1-butene
33693-77-5

2-Bromo-3,3-dimethyl-1-butene

C

1-bromo-3,3-dimethylbut-1-ene
13352-80-2

1-bromo-3,3-dimethylbut-1-ene

Conditions
ConditionsYield
With potassium hydroxide; Aliquat 336 In xylene Heating;A 91%
B n/a
C n/a
2-cyclohexylacetylene
931-48-6

2-cyclohexylacetylene

N-benzyl 4,4-dimethyl-pent-2-ynylamine
1610010-33-7

N-benzyl 4,4-dimethyl-pent-2-ynylamine

A

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

B

N-benzyl-3-cyclohexylprop-2-yn-1-amine

N-benzyl-3-cyclohexylprop-2-yn-1-amine

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A n/a
B 91%
acetylene
74-86-2

acetylene

tert-butyl alcohol
75-65-0

tert-butyl alcohol

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With palladium(II) sulfate; nickel(II) sulfate hexahydrate; methanesulfonic acid; sulfuric acid; sodium hydroxide In water at -5 - 5℃; under 3750.38 Torr; for 3h; Reagent/catalyst; Autoclave;90.2%
1-phenyl-4,4-dimethylpent-2-yn-1-one
17475-11-5

1-phenyl-4,4-dimethylpent-2-yn-1-one

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With potassium hydroxide; water In 1,3,5-trimethyl-benzene distillation;90%
1,1-dichloro-3,3-dimethyl-1-butene
32363-94-3

1,1-dichloro-3,3-dimethyl-1-butene

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With methyllithium In tetrahydrofuran at -30 - 0℃; for 1h; Dehalogenation;90%
90%
4-Phenyl-1-butyne
16520-62-0

4-Phenyl-1-butyne

N-benzyl 4,4-dimethyl-pent-2-ynylamine
1610010-33-7

N-benzyl 4,4-dimethyl-pent-2-ynylamine

A

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

B

N-benzyl-5-phenylpent-2-yn-1-amine

N-benzyl-5-phenylpent-2-yn-1-amine

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A n/a
B 89%
N-benzyl 4,4-dimethyl-pent-2-ynylamine
1610010-33-7

N-benzyl 4,4-dimethyl-pent-2-ynylamine

hex-1-yne
693-02-7

hex-1-yne

A

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

B

N-benzylhept-2-yn-1-amine
1379038-80-8

N-benzylhept-2-yn-1-amine

Conditions
ConditionsYield
With Lu(N(SiMe3)2)3 In toluene at 130℃; for 12h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;A n/a
B 87%
3,3-dimethyl-1-(triphenylphosphanylidene)butan-2-one
288390-74-9

3,3-dimethyl-1-(triphenylphosphanylidene)butan-2-one

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
at 750℃; under 0.01 Torr; for 3h;82%
at 750℃; for 3h;82%
1,1-diamino-3,3-dimethylbutane

1,1-diamino-3,3-dimethylbutane

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
Stage #1: 1,1-diamino-3,3-dimethylbutane With potassium bisulfite In hexane at 95℃; for 5h;
Stage #2: With hypochlorous acid phenyl ester In hexane at 115℃; for 7h; Temperature;
79%
Ru3(CO)4{Ph2PC(H)C(Bu(t))}{(Ph2PCC(Bu(t))}(PPh2)

Ru3(CO)4{Ph2PC(H)C(Bu(t))}{(Ph2PCC(Bu(t))}(PPh2)

A

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

B

tert-butylethylene
558-37-2

tert-butylethylene

C

2,2-Dimethylbutane
75-83-2

2,2-Dimethylbutane

Conditions
ConditionsYield
In gas treatment in sealed vial under H2 for 45 min at 120 °C, partly decompd.;A 2.7%
B 19%
C 78%
3,3-dimethyl-butan-2-one
75-97-8

3,3-dimethyl-butan-2-one

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
Stage #1: 3,3-dimethyl-butan-2-one With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere;
Stage #2: With diethyl chlorophosphate In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere;
Stage #3: With lithium diisopropyl amide In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere;
78%
With Nonafluorobutanesulfonyl fluoride; 1-tert-butyl-2,2,4,4,4-pentakis(dimethylamino)-2Λ5,4Λ5-catenadi(phosphazene) In 1-methyl-pyrrolidin-2-one at -10 - 20℃;60%
Multi-step reaction with 2 steps
1: phosphorus pentachloride / 12 h / 0 °C
2: potassium tert-butylate / dimethyl sulfoxide / 2 h
View Scheme
1,1-dichloro-3,3-dimethylbutane
6130-96-7

1,1-dichloro-3,3-dimethylbutane

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With potassium hydroxide; 2,3-dimethyl-2,3-butane diol; Aliquat 336 In Petroleum ether for 1.5h; Heating;62%
With sodium amide; mineral oil at 90 - 95℃;
1-Bromopinacolon
5469-26-1

1-Bromopinacolon

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With hydrogen bromide; toluene-4-sulfonic acid hydrazide In ethanol Ambient temperature;51%
(E)-3,3-dimethyl-1-butenyl(p-trifluoromethylphenyl)(tetrafluoroborato)-λ(3)-bromane

(E)-3,3-dimethyl-1-butenyl(p-trifluoromethylphenyl)(tetrafluoroborato)-λ(3)-bromane

potassium bis(triflyl)methanide
33249-12-6

potassium bis(triflyl)methanide

A

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

B

C9H12F6O4S2
1271169-55-1

C9H12F6O4S2

Conditions
ConditionsYield
In dichloromethane at -78 - 20℃; for 4h; Inert atmosphere;A 38%
B 43%
2,2-dichloro-3,3-dimethylbutane
594-84-3

2,2-dichloro-3,3-dimethylbutane

A

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

B

2-chloro-3,3-dimethyl-1-butene
27843-27-2

2-chloro-3,3-dimethyl-1-butene

Conditions
ConditionsYield
With potassium hydroxide; tetraoctyl ammonium bromide In Petroleum ether at 90℃; for 8h;A 38%
B n/a
(E)-3,3-dimethyl-1-butenyl(p-trifluoromethylphenyl)(tetrafluoroborato)-λ(3)-bromane

(E)-3,3-dimethyl-1-butenyl(p-trifluoromethylphenyl)(tetrafluoroborato)-λ(3)-bromane

potassium bis(trifluoromethylsulfonyl)imide
90076-67-8

potassium bis(trifluoromethylsulfonyl)imide

A

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

B

C8H11F6NO4S2
1271169-73-3

C8H11F6NO4S2

Conditions
ConditionsYield
In dichloromethane at -78 - 20℃; for 4h; Inert atmosphere;A 18%
B 32%
(E)-3,3-dimethyl-1-butenyl(p-trifluoromethylphenyl)(tetrafluoroborato)-λ(3)-bromane

(E)-3,3-dimethyl-1-butenyl(p-trifluoromethylphenyl)(tetrafluoroborato)-λ(3)-bromane

C9HF18O4S2(1-)*K(1+)
152192-85-3

C9HF18O4S2(1-)*K(1+)

A

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

B

C15H12F18O4S2
1271169-60-8

C15H12F18O4S2

Conditions
ConditionsYield
In dichloromethane at -78 - 20℃; for 4h; Inert atmosphere;A 15%
B 31%
pivalaldehyde
630-19-3

pivalaldehyde

C8H21N4PSi
145397-30-4

C8H21N4PSi

A

α-trimethylsilyloxy-α-tert-butylmethyl-N,N,N',N'-tetramethylphosphondiamide

α-trimethylsilyloxy-α-tert-butylmethyl-N,N,N',N'-tetramethylphosphondiamide

B

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
In pentane at 20℃;A 30%
B 14%
tert-butylethylene
558-37-2

tert-butylethylene

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With bromine; methyl cyclohexane at -60℃; und anschliessend mit Natriumamid in fluessigem Ammoniak bei -70grad;
2-chloro-3,3-dimethyl-1-butene
27843-27-2

2-chloro-3,3-dimethyl-1-butene

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With potassium hydroxide; ethanol; mineral oil at 200℃;
4,4-dimethyl-2-pentynoic acid
52418-50-5

4,4-dimethyl-2-pentynoic acid

A

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

B

methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

3,3-dimethyl-[1-3H]but-1-yne
13139-80-5

3,3-dimethyl-[1-3H]but-1-yne

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With amine buffer; water at 25℃; Rate constant; μ = 0.10 M;
3,3-dimethylbut-1-en-2-yl diethyl phosphate
949091-15-0

3,3-dimethylbut-1-en-2-yl diethyl phosphate

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran
2-tert-butyl-4-methyl-1,3-oxazin-6-one
51779-49-8

2-tert-butyl-4-methyl-1,3-oxazin-6-one

A

tert-butyl isocyanide
630-18-2

tert-butyl isocyanide

B

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

C

1,2-propanediene
463-49-0

1,2-propanediene

D

acetonitrile
75-05-8

acetonitrile

E

prop-1-yne
74-99-7

prop-1-yne

Conditions
ConditionsYield
at -263.2℃; Mechanism; Irradiation;
3,4,5,6-tetrahydro-2H-pyran-2-one
542-28-9

3,4,5,6-tetrahydro-2H-pyran-2-one

3-(t-butyldimethylsilyloxy)prop-1-ynyllithium
91509-32-9

3-(t-butyldimethylsilyloxy)prop-1-ynyllithium

phenylcarbonochloridothioate
1005-56-7

phenylcarbonochloridothioate

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With pyridine; dmap 1.) THF, 75 min, from -70 deg C to r.t.; 2.) acetonitrile, 1.5 h; Yield given. Multistep reaction;
(E)-3,3-dimethyl-1-butenyl(phenyl)iodonium tetrafluoroborate

(E)-3,3-dimethyl-1-butenyl(phenyl)iodonium tetrafluoroborate

A

iodobenzene
591-50-4

iodobenzene

B

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With tetrabutyl-ammonium chloride; tetrabutylammonium perchlorate In acetonitrile at 25℃; Rate constant; var. solvents and var. concentration of reagents;
1,1-dichloro-3,3-dimethyl2-butanol methanesulfonate
246023-20-1

1,1-dichloro-3,3-dimethyl2-butanol methanesulfonate

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With methyllithium In tetrahydrofuran at -30 - 0℃; for 1h; Elimination;78 % Chromat.
1,1,1-trichloro-3,3-dimethyl-2-butanol methanesulfonate
263904-19-4

1,1,1-trichloro-3,3-dimethyl-2-butanol methanesulfonate

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With methyllithium In tetrahydrofuran; diethyl ether at -10 - 0℃; for 1h; Elimination;81 % Chromat.
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

2,2,7,7-tetramethyl-octa-3,5-diyne
6130-98-9

2,2,7,7-tetramethyl-octa-3,5-diyne

Conditions
ConditionsYield
With trimethylamine-N-oxide; sodium acetate; palladium dichloride; copper(l) iodide In acetonitrile at 20℃; for 9h;100%
With 1,4-diaza-bicyclo[2.2.2]octane; air; palladium diacetate; copper(l) iodide In acetonitrile at 20℃; for 2h;100%
With copper(l) iodide; ethyl 2,2-dibromoacetoacetate; triethylamine In dichloromethane at 20℃; for 24h;99%
formaldehyd
50-00-0

formaldehyd

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

4,4-dimethylpent-2-yn-1-ol
52323-98-5

4,4-dimethylpent-2-yn-1-ol

Conditions
ConditionsYield
Stage #1: 3,3-Dimethylbut-1-yne With n-butyllithium In tetrahydrofuran at 0 - 20℃;
Stage #2: formaldehyd In tetrahydrofuran at 20 - 65℃; for 17h;
Stage #3: With water In ethyl acetate
100%
Stage #1: 3,3-Dimethylbut-1-yne With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h;
Stage #2: formaldehyd In tetrahydrofuran; hexane at -78 - 20℃; for 1h;
98%
With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In tetrahydrofuran at -78 - 20℃; for 2h;97%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

(E)-5-trifluoromethanesulfonyloxymethylidene-1-cyclopenten-1-yl trifluoromethanesulfonate
134267-79-1

(E)-5-trifluoromethanesulfonyloxymethylidene-1-cyclopenten-1-yl trifluoromethanesulfonate

1-(3,3-Dimethyl-but-1-ynyl)-5-[4,4-dimethyl-pent-2-yn-(E)-ylidene]-cyclopentene
134251-51-7

1-(3,3-Dimethyl-but-1-ynyl)-5-[4,4-dimethyl-pent-2-yn-(E)-ylidene]-cyclopentene

Conditions
ConditionsYield
With diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran Ambient temperature;100%
With diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran Ambient temperature; other substrates;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

1,3,5-Tri-tert-butylbenzene
1460-02-2

1,3,5-Tri-tert-butylbenzene

Conditions
ConditionsYield
With copper dichloride; palladium dichloride In butan-1-ol; benzene at 40℃; for 12h;100%
With copper dichloride; palladium dichloride In methanol; carbon dioxide at 40℃; under 120012 Torr; for 8h;97%
With palladium diacetate; methanesulfonic acid; molybdovanadophosphate (NPMoV); chloro-p-hydroquinone In 1,4-dioxane at 60℃; for 3h; under O2;63%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

4-oxobutyl 2,2,4,4-tetramethyl-1,3-oxazolidine-3-carboxylate
205068-09-3

4-oxobutyl 2,2,4,4-tetramethyl-1,3-oxazolidine-3-carboxylate

2,2,4,4-tetramethyl-oxazolidine-3-carboxylic acid 4-hydroxy-7,7-dimethyl-oct-5-ynyl ester
253882-22-3

2,2,4,4-tetramethyl-oxazolidine-3-carboxylic acid 4-hydroxy-7,7-dimethyl-oct-5-ynyl ester

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran at -78 - -18℃; Addition;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

hexan-1-amine
111-26-2

hexan-1-amine

carbon monoxide
201230-82-2

carbon monoxide

(E)-4,4-Dimethyl-pent-2-enoic acid hexylamide

(E)-4,4-Dimethyl-pent-2-enoic acid hexylamide

Conditions
ConditionsYield
Stage #1: 3,3-Dimethylbut-1-yne; carbon monoxide With quinoline; tri(2-furyl)germane; tris(2,4-di-tert-butylphenyl)phosphite; bis(η3-allyl-μ-chloropalladium(II)) In toluene at 20℃; under 760.051 Torr; for 5.5h;
Stage #2: hexan-1-amine; dmap In toluene at 70℃; for 6h; Further stages.;
100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

carbon monoxide
201230-82-2

carbon monoxide

dibenzylamine
103-49-1

dibenzylamine

(E)-4,4-dimethyl-N,N-bis(phenylmethyl)-2-pentenamide
252667-35-9

(E)-4,4-dimethyl-N,N-bis(phenylmethyl)-2-pentenamide

Conditions
ConditionsYield
Stage #1: 3,3-Dimethylbut-1-yne; carbon monoxide With quinoline; tri(2-furyl)germane; tris(2,4-di-tert-butylphenyl)phosphite; bis(η3-allyl-μ-chloropalladium(II)) In toluene at 20℃; under 760.051 Torr; for 5.5h;
Stage #2: dibenzylamine; dmap In toluene at 70℃; for 6h; Further stages.;
100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

bis-{(1S,2R,4R)-2-hydroxy-7,7-dimethylbicyclo[2.2.1]hept-1-ylmethyl}disulfide
116195-09-6

bis-{(1S,2R,4R)-2-hydroxy-7,7-dimethylbicyclo[2.2.1]hept-1-ylmethyl}disulfide

(1S,2R)-2-hydroxy-10-(3,3-dimethyl-1-butynylthio)bornane
649885-42-7

(1S,2R)-2-hydroxy-10-(3,3-dimethyl-1-butynylthio)bornane

Conditions
ConditionsYield
With N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium In tetrahydrofuran; hexane at -78℃;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

(Z,Z)-3,6-dichloro-2,2,7,7-tetramethyl-3,5-octadiene

(Z,Z)-3,6-dichloro-2,2,7,7-tetramethyl-3,5-octadiene

Conditions
ConditionsYield
With copper dichloride; palladium dichloride In acetonitrile at 20℃; for 8h;100%
With di(rhodium)tetracarbonyl dichloride; tris(2,4,6-trimethylphenyl)phosphine; trifluoroacetyl chloride In chlorobenzene at 130℃; for 3h; stereoselective reaction;75%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

(Z,Z)-3,6-dibromo-2,2,7,7-tetramethylocta-3,5-diene

(Z,Z)-3,6-dibromo-2,2,7,7-tetramethylocta-3,5-diene

Conditions
ConditionsYield
With copper(ll) bromide; palladium(II) bromide In acetonitrile; benzene at 20℃; for 4h;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

benzyl azide
622-79-7

benzyl azide

1-(4′-methoxybenzyl)-4-phenyl-1H-1,2,3-triazole
871689-96-2

1-(4′-methoxybenzyl)-4-phenyl-1H-1,2,3-triazole

Conditions
ConditionsYield
With bis[1-(4-sodiumsulfonatepropyl)-3-(2,4,6-trimethylphenyl)-4,5-dihydroimidazolyl-3-ylidine]copper(I) hexafluorophosphate In neat (no solvent) at 20℃; for 1.5h;100%
With copper(l) iodide; 1-decylimidazole at 25℃; for 3h; neat (no solvent);99%
With Cu98Mn2 nanoporous catalyst In toluene at 65℃; for 22h; Huisgen cycloaddition; regioselective reaction;99%
acetaldehyde o-iodophenyl ethyl acetal
870011-18-0

acetaldehyde o-iodophenyl ethyl acetal

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

2-(3,3-dimethyl-1-butynyl)-1-(1-ethoxyethoxy)benzene
1072840-21-1

2-(3,3-dimethyl-1-butynyl)-1-(1-ethoxyethoxy)benzene

Conditions
ConditionsYield
With copper(l) iodide; triethylamine; triphenylphosphine; palladium dichloride In acetonitrile at 20℃; Sonogashira coupling; Inert atmosphere;100%
With copper(l) iodide; triethylamine; triphenylphosphine; palladium dichloride In acetonitrile Sonogashira coupling;
4-iodobenzo[b]thiophene-2-carboxamidine hydrochloride
149732-36-5

4-iodobenzo[b]thiophene-2-carboxamidine hydrochloride

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

methyl 4-iodobenzo[b]thiophene-2-carboxylate
146137-85-1

methyl 4-iodobenzo[b]thiophene-2-carboxylate

methyl 4-(3,3-dimethylbut-1-ynyl)benzo[b]thiophene-2-carboxylate
154629-73-9

methyl 4-(3,3-dimethylbut-1-ynyl)benzo[b]thiophene-2-carboxylate

Conditions
ConditionsYield
With CuI; bis(triphenylphosphine)palladium(II)-chloride In triethylamine100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

[(η(5)-C5Me4Ph)2Ti(η(2)-bis(trimethylsilyl)ethyne)]
252006-99-8

[(η(5)-C5Me4Ph)2Ti(η(2)-bis(trimethylsilyl)ethyne)]

[(η(5)-C5Me4Ph)2Ti(η(1)-(E)-CH=CHCMe3)(η(1)-CCCMe3)]
252007-12-8

[(η(5)-C5Me4Ph)2Ti(η(1)-(E)-CH=CHCMe3)(η(1)-CCCMe3)]

Conditions
ConditionsYield
In hexane 60°C (in dark, 4 h), evapn. (vac.); hexane addn., crystn. (-18°C, overnight);100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

[(η(5)-C5Me4(benzyl))2Ti(η(2)-bis(trimethylsilyl)ethyne)]
252007-00-4

[(η(5)-C5Me4(benzyl))2Ti(η(2)-bis(trimethylsilyl)ethyne)]

[(η(5)-C5Me4(benzyl))2Ti(η(1)-(E)-CH=CHCMe3)(η(1)-CCCMe3)]
252007-15-1

[(η(5)-C5Me4(benzyl))2Ti(η(1)-(E)-CH=CHCMe3)(η(1)-CCCMe3)]

Conditions
ConditionsYield
In hexane 60°C (in dark, 7 h), evapn. (vac.); hexane addn., crystn. (-18°C, overnight);100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

RuCl2(NCCH3)2(P(CH(CH3)2)3)2
216525-24-5

RuCl2(NCCH3)2(P(CH(CH3)2)3)2

RuCl2{=C=CH(t-Bu)}(Pi-Pr3)2

RuCl2{=C=CH(t-Bu)}(Pi-Pr3)2

Conditions
ConditionsYield
In dichloromethane Ar-atmosphere; stirring (40°C, 20 h); evapn., detd. by (1)H and (31)P NMR spectroscopy;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

[FeCl(μ3-NPEt3)]4

[FeCl(μ3-NPEt3)]4

[Fe(CCC(CH3)3)(NP(C2H5)3)]4

[Fe(CCC(CH3)3)(NP(C2H5)3)]4

Conditions
ConditionsYield
With n-BuLi In tetrahydrofuran; hexane byproducts: LiCl; Ar atm.; cooling (-78°C), heating (-10°C), stirring (0°C, 2 h); evapn. (vac., 0°C), extraction (n-hexane), filtn., evapn. (dryness); elem. anal.;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

C7H5(NCH(CH3)2)2AlCH2CH(CH3)2(OC(CH3)2)(1+)*B(C6F5)4(1-)=[C7H5(NCH(CH3)2)2AlCH2CH(CH3)2(OC(CH3)2)][B(C6F5)4]

C7H5(NCH(CH3)2)2AlCH2CH(CH3)2(OC(CH3)2)(1+)*B(C6F5)4(1-)=[C7H5(NCH(CH3)2)2AlCH2CH(CH3)2(OC(CH3)2)][B(C6F5)4]

C7H5(NCH(CH3)2)2AlCHCH(C(CH3)3)(1+)*B(C6F5)4(1-)=[C7H5(NCH(CH3)2)2AlCHCH(C(CH3)3)][B(C6F5)4]

C7H5(NCH(CH3)2)2AlCHCH(C(CH3)3)(1+)*B(C6F5)4(1-)=[C7H5(NCH(CH3)2)2AlCHCH(C(CH3)3)][B(C6F5)4]

Conditions
ConditionsYield
In further solvent(s) byproducts: C2H4; C6D5Cl, 23°C;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

[CoBr(NP(C2H5)3)]4

[CoBr(NP(C2H5)3)]4

[Co(CCC(CH3)3)(NP(CH3)3)]4

[Co(CCC(CH3)3)(NP(CH3)3)]4

Conditions
ConditionsYield
With n-BuLi In tetrahydrofuran; hexane byproducts: LiBr; Ar atm.; cooling (-78°C), warming (0°C), stirring (6 h); evapn. (vac., 0°C), extraction (PhMe), filtn., concn.; elem. anal.;100%
1-(benzyloxy)-4-bromo-2-iodobenzene
612833-66-6

1-(benzyloxy)-4-bromo-2-iodobenzene

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

1-benzyloxy-4-bromo-2-(3,3-dimethyl-1-butynyl)benzene
1063712-62-8

1-benzyloxy-4-bromo-2-(3,3-dimethyl-1-butynyl)benzene

Conditions
ConditionsYield
With copper(l) iodide; trans-bis(triphenylphosphine)palladium dichloride; triethylamine In tetrahydrofuran at 20℃; for 10h;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

(C12H10B2)(S(CH3)2)2
1233793-92-4

(C12H10B2)(S(CH3)2)2

(C6H4)2B2(CHCHC(CH3)3)2
1174742-42-7

(C6H4)2B2(CHCHC(CH3)3)2

Conditions
ConditionsYield
In benzene react. with 5 equiv. of tBuCCH in C6H6 at room temp.; Me2S from intermediate removed under reduced pressure; NMR;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

isovaleraldehyde
590-86-3

isovaleraldehyde

(±)-2,7,7-trimethyloct-5-yn-4-ol
1226968-85-9

(±)-2,7,7-trimethyloct-5-yn-4-ol

Conditions
ConditionsYield
Stage #1: 3,3-Dimethylbut-1-yne With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere;
Stage #2: isovaleraldehyde In tetrahydrofuran at -78 - 20℃; for 1.5h; Inert atmosphere;
100%
Stage #1: 3,3-Dimethylbut-1-yne With n-butyllithium In tetrahydrofuran at -78 - 0℃; for 0.583333h; Inert atmosphere;
Stage #2: isovaleraldehyde In tetrahydrofuran at -78 - 0℃; Inert atmosphere;
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

tin(IV) chloride
7646-78-8

tin(IV) chloride

1-trichlorostannyl-2-chloro-2-tert-butyl-ethene
1322728-83-5

1-trichlorostannyl-2-chloro-2-tert-butyl-ethene

Conditions
ConditionsYield
In dichloromethane N2; DCM soln. of ligand and SnCl4 (1:1 molar ratio) stirred at room temp. for 24 h; evapd. (vac., room temp.), NMR;100%
In chloroform-d1 N2; 1:1 mixt. at 25°C; NMR;
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

1-benzyl-2-bromo-1H-indole-3-carboxyaldehyde
288848-92-0

1-benzyl-2-bromo-1H-indole-3-carboxyaldehyde

1-benzyl-2-(3,3-dimethyl-1-butynyl)-1H-indole-3-carbaldehyde
1350934-38-1

1-benzyl-2-(3,3-dimethyl-1-butynyl)-1H-indole-3-carbaldehyde

Conditions
ConditionsYield
With copper(l) iodide; trans-bis(triphenylphosphine)palladium dichloride; triethylamine In tetrahydrofuran at 40℃; Sonogashira reaction; Inert atmosphere;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

1-methoxy-4-[1-(2-propynyloxy)-3-(phenylsulfanyl)-2-propyn-1-yl]benzene
1242027-78-6

1-methoxy-4-[1-(2-propynyloxy)-3-(phenylsulfanyl)-2-propyn-1-yl]benzene

(3E,4Z)-1-methoxy-4-[4-(4,4-dimethyl-2-pentynlidene)-3-(phenylsulfanylmethylene)tetrahydrofuran-2-yl]benzene
1380676-41-4

(3E,4Z)-1-methoxy-4-[4-(4,4-dimethyl-2-pentynlidene)-3-(phenylsulfanylmethylene)tetrahydrofuran-2-yl]benzene

Conditions
ConditionsYield
With copper(I) trifluoromethanesulfonate toluene adduct (1/1); tributyl-amine In toluene at 20℃; for 0.333333h; stereoselective reaction;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

3-(4-methoxyphenyl)propional
20401-88-1

3-(4-methoxyphenyl)propional

(±)-1-(4-methoxyphenyl)-6,6-dimethylhept-4-yn-3-ol
1437710-09-2

(±)-1-(4-methoxyphenyl)-6,6-dimethylhept-4-yn-3-ol

Conditions
ConditionsYield
Stage #1: 3,3-Dimethylbut-1-yne With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere;
Stage #2: 3-(4-methoxyphenyl)propional In tetrahydrofuran at -78 - 20℃; for 1.5h; Inert atmosphere;
100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

2-iodo-2',4',6'-triisopropylbenzophenone
1597428-24-4

2-iodo-2',4',6'-triisopropylbenzophenone

2-(3,3-dimethylbut-1-ynyl)-2',4',6'-triisopropylbenzophenone
1597428-26-6

2-(3,3-dimethylbut-1-ynyl)-2',4',6'-triisopropylbenzophenone

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine In tetrahydrofuran for 12h; Sonogashira Cross-Coupling; Reflux; Inert atmosphere;100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

(2-iodophenyl)(4-methoxyphenyl)methanone
138504-32-2

(2-iodophenyl)(4-methoxyphenyl)methanone

2-(3,3-dimethylbut-1-ynyl)-4'-methoxybenzophenone
1597428-54-0

2-(3,3-dimethylbut-1-ynyl)-4'-methoxybenzophenone

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine In tetrahydrofuran at 90℃; for 16h; Inert atmosphere;100%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine In tetrahydrofuran at 80℃; for 16h; Sonogashira Cross-Coupling; Inert atmosphere;93%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diisopropylamine In tetrahydrofuran at 80℃; for 16h; Inert atmosphere;93%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

N-methoxy-N,2,2-trimethylhex-5-enamide
1586781-56-7

N-methoxy-N,2,2-trimethylhex-5-enamide

2,2,6,6-tetramethyldec-9-en-3-yn-5-one
1586781-57-8

2,2,6,6-tetramethyldec-9-en-3-yn-5-one

Conditions
ConditionsYield
Stage #1: 3,3-Dimethylbut-1-yne With n-butyllithium In tetrahydrofuran; hexane at -78 - 25℃; for 0.5h;
Stage #2: N-methoxy-N,2,2-trimethylhex-5-enamide In tetrahydrofuran; hexane at -78 - 25℃; for 2h;
100%
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

C14H12BrNO2

C14H12BrNO2

C20H21NO2

C20H21NO2

Conditions
ConditionsYield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In tetrahydrofuran for 22.5h; Inert atmosphere; Reflux;100%
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In tetrahydrofuran for 22.5h; Inert atmosphere; Reflux;100%

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