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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-Butyn-2-ol Manufacturer/High quality/Best price/In stock

Cas:2028-63-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance Colorless,transparent liquid Complies Content% ≥99.90

Top purity 3-Butyn-2-ol with high quality and best price cas:2028-63-9

Cas:2028-63-9

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

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 se T rvice Appearance:Whit

3-Butyn-2-ol (55% in Water, ca. 7.5Mol/L)

Cas:2028-63-9

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 But-3-yn-2-ol

Cas:2028-63-9

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-Butyn-2-ol

Cas:2028-63-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Henan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com

TIANFU-CHEM - 3-Butyn-2-ol

Cas:2028-63-9

Min.Order:1 Gram

FOB Price: $1000.0

Type:Lab/Research institutions

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Hangzhou Fandachem Co.,Ltd

Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exporting 3-Butyn-2-ol; cas 2028-63-9;Please contact us by email freely. We are leading exporter in China. If you really need this cargo,

3-Butyn-2-ol; cas 2028-63-9 from Fandachem

Cas:2028-63-9

Min.Order:0 Metric Ton

Negotiable

Type:Other

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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

3-butyne-2-ol

Cas:2028-63-9

Min.Order:4 Kilogram

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

3-Butyn-2-ol

Cas:2028-63-9

Min.Order:0

Negotiable

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

3-Butyn-2-ol Manufacturer

Cas:2028-63-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...)

3-Butyn-2-olCAS NO.: 2028-63-9

Cas:2028-63-9

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Lab/Research institutions

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Hangzhou ZeErRui Chemical Co., Ltd.

Name: 3-Butyn-2-ol. Synonyms:1-Ethynylethanol;1-Methyl-2-propynylalcohol;1-Methylpropargylalcohol;3-butyn-2-0l;3-butyn-2-olsolution;3-Hydroxy-1-butyne;alpha-Methylpropargylalcohol;but-3-yn-2-ol CAS No: 2028-63-9. Molecular formula: C4H6O. M

3-Butyn-2-ol

Cas:2028-63-9

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

3-Butyn-2-Ol

Cas:2028-63-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

3-Butyn-2-ol

Cas:2028-63-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard

factory supply CAS 2028-63-9 with competitive price

Cas:2028-63-9

Min.Order:1 Kilogram

FOB Price: $112.0

Type:Trading Company

inquiry

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

3-Butyn-2-ol

Cas:2028-63-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen AmoyChem Co.,Ltd

Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi

3-Butyn-2-ol

Cas:2028-63-9

Min.Order:0

Negotiable

Type:Other

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Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

3-Butyn-2-ol 2028-63-9

Cas:2028-63-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

3-Butyn-2-ol

Cas:2028-63-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

(2R)-3-butyn-2-ol

Cas:2028-63-9

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

3-Butyn-2-ol Basic information

2028-63-9 C4H6O 3-Butyn-2-ol

Cas:2028-63-9

Min.Order:5 Gram

Negotiable

Type:Trading Company

inquiry

Changzhou Extraordinary Pharmatech co.,LTD

Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa

3-Butyn-2-ol

Cas:2028-63-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

suzhou BetterBioChem Co., Ltd.

Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in

3-Butyn-2-ol

Cas:2028-63-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Cerametek Materials(ShenZhen)Co., Ltd.

sub/micron to mesh powders (near/spheres, whiskers, flake, fiber, porous) and grain/ball, thin/ thick metal / alloys pieces / parts, thin and thick (particle) film materials /target, and custom-made crystals, substrates/parts. In the industries and a

3-Butyne-2-ol

Cas:2028-63-9

Min.Order:0

Negotiable

Type:Other

inquiry

U-Chemo Holding Co.,Limited

U-CHEMO is a high-tech enterprise taking pharmaceutical intermediates and fine chemicals as main products. We pay high attention on product quality and apply quality management in the whole manufacturing process from research to production. In additi

3-Butyn-2-ol

Cas:2028-63-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

(±)-3-Butyn-2-ol

Cas:2028-63-9

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Nanjing Zhiyan Pharmaceutical Technology Co. Ltd.

High quality / commercialize;Stable production capacity.Appearance:actual character Storage:Temperature controlled NMT 30℃ Package:As customer request Application:Used for Synthesis API and Research Transportation:Follow the MSDS

but-3-yn-2-ol

Cas:2028-63-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

nanjing bam biomedical technology co.,ltd

It is composed of professionals with senior industry background and rich market experience. More than 90% of the personnel have chemistry, chemical, pharmaceutical or related professional knowledge. They are all rigorously trained and evaluated, and

but-3-yn-2-ol

Cas:2028-63-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

AOPHARM

Aopharm is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in modes of

1-Ethynylethanol

Cas:2028-63-9

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

Shanghai united Scientific Co.,Ltd.

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

3-Butyn-2-ol

Cas:2028-63-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

trimethyl(4-{[(1-methylprop-2-yn-1-yl)oxy]methyl}benzyl)silane
846539-19-3

trimethyl(4-{[(1-methylprop-2-yn-1-yl)oxy]methyl}benzyl)silane

A

p-<(trimethylsilyl)methyl>benzaldehyde
109088-53-1

p-<(trimethylsilyl)methyl>benzaldehyde

B

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane; water at 20℃;A n/a
B 74%
acetaldehyde
75-07-0

acetaldehyde

acetylene
74-86-2

acetylene

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
With potassium hydroxide In dimethyl sulfoxide at 15℃;10%
With potassium hydroxide; Dimethoxymethane; sodium amide
With potassium hydroxide; 2-methoxy-ethanol; sodium amide
Propargylic aldehyde
624-67-9

Propargylic aldehyde

methylmagnesium bromide
75-16-1

methylmagnesium bromide

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
With diethyl ether
2-bromo-1-buten-3-ol
198014-16-3

2-bromo-1-buten-3-ol

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
With potassium hydroxide
ethynyldimagnesium dibromide
4301-15-9

ethynyldimagnesium dibromide

acetaldehyde
75-07-0

acetaldehyde

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
With diethyl ether; ethanol
sodium acetylide
1066-26-8

sodium acetylide

acetaldehyde
75-07-0

acetaldehyde

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
at -5℃;
at -5℃;
With ammonia
diethyl ether
60-29-7

diethyl ether

ethylmagnesium bromide
925-90-6

ethylmagnesium bromide

acetaldehyde
75-07-0

acetaldehyde

acetylene
74-86-2

acetylene

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

acetaldehyde
75-07-0

acetaldehyde

acetylene
74-86-2

acetylene

A

3-hexyn-2,5-diol
3031-66-1

3-hexyn-2,5-diol

B

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
With copper acetylenide upon Fuller's earth; water at 120 - 125℃; under 11400 Torr;
With Fuller's Earth; water; copper(I) monacetylide at 125℃; under 11032.6 Torr; Gemisch von zwei Formen;
With Fuller's Earth; water; copper(I) monacetylide at 125℃; under 11032.6 Torr; Gemisch von zwei Formen;
With copper acetylenide upon Fuller's earth; water at 120 - 125℃; under 11400 Torr;
diethyl ether
60-29-7

diethyl ether

ethylmagnesium bromide
925-90-6

ethylmagnesium bromide

acetylene
74-86-2

acetylene

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
anschl. mit Acetaldehyd;
ethylmagnesium bromide
925-90-6

ethylmagnesium bromide

acetylene
74-86-2

acetylene

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
With diethyl ether nachfolgende Einw. von Acetaldehyd;
2-bromo-1-buten-3-ol
198014-16-3

2-bromo-1-buten-3-ol

aqueous KOH-solution

aqueous KOH-solution

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

methyl ethynyl ketone
1423-60-5

methyl ethynyl ketone

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol at 0℃; for 1h;
acetaldehyde
75-07-0

acetaldehyde

lithium acetylide
70277-75-7

lithium acetylide

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

acetaldehyde
75-07-0

acetaldehyde

acetylenemagnesium bromide
4301-14-8

acetylenemagnesium bromide

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃;
Stage #1: acetaldehyde; acetylenemagnesium bromide In tetrahydrofuran at -20 - 20℃; Inert atmosphere;
Stage #2: With ammonium chloride In tetrahydrofuran at 0℃; Inert atmosphere;
In tetrahydrofuran at 0℃; for 5h;
In tetrahydrofuran at -78 - 20℃; for 2.5h; Inert atmosphere;
but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
With potassium carbonate In methanol at 20℃; for 2h; Inert atmosphere;
2-hydroxypropanal
3913-65-3

2-hydroxypropanal

dimethyl 1-(1-diazo-2-oxopropyl)phosphonate
90965-06-3

dimethyl 1-(1-diazo-2-oxopropyl)phosphonate

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Conditions
ConditionsYield
With potassium carbonate In methanol at 20℃; for 5.5h; Seyferth-Gilbert Homologation;
but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

methyl ethynyl ketone
1423-60-5

methyl ethynyl ketone

Conditions
ConditionsYield
With dihydrogen peroxide In toluene at 70℃; for 8.5h; Reagent/catalyst;100%
With titanium(IV) oxide; oxygen at 29.84℃; under 760.051 Torr; for 24h; Sealed tube; Irradiation;77%
With chromium(VI) oxide; sulfuric acid at 2 - 10℃; under 30 Torr; for 3h;38%
but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

1-iodo-buta-1,2-diene
2914-57-0

1-iodo-buta-1,2-diene

Conditions
ConditionsYield
With 1-iodo-N,N,2-trimethylprop-1-en-1-amine In dichloromethane 1.) 0 deg C; 2.) rt., 4 days;100%
With triphenyl phosphite methiodide In N,N-dimethyl-formamide
Stage #1: but-3-yn-2-ol With n-butyllithium In tetrahydrofuran at -78℃; for 0.0833333h; Inert atmosphere;
Stage #2: With methanesulfonyl chloride In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere;
Stage #3: With copper(l) iodide; lithium iodide In tetrahydrofuran at -78 - 20℃; Inert atmosphere;
methanesulfonyl chloride
124-63-0

methanesulfonyl chloride

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

1-methylprop-2-ynyl methanesulfonate
59967-06-5

1-methylprop-2-ynyl methanesulfonate

Conditions
ConditionsYield
With triethylamine In dichloromethane for 1h; Ambient temperature;100%
With triethylamine In dichloromethane at 0℃; for 3h; Inert atmosphere;95%
With triethylamine In dichloromethane at 0℃; for 0.25h;93%
but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

tert-butylchlorodiphenylsilane
58479-61-1

tert-butylchlorodiphenylsilane

tert-butyl-(1-methyl-prop-2-ynyloxy)diphenylsilane
247923-45-1

tert-butyl-(1-methyl-prop-2-ynyloxy)diphenylsilane

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 25℃; for 12h;100%
With dmap; triethylamine In tetrahydrofuran at 20℃; for 18h; Inert atmosphere;94%
With 1H-imidazole In tetrahydrofuran at 20℃; for 3h; Inert atmosphere;83%
With 1H-imidazole In N,N-dimethyl-formamide at 20℃;
With 1H-imidazole In dichloromethane at 0 - 20℃; for 8h;
4-tolyl iodide
624-31-7

4-tolyl iodide

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

4-(4-methylphenyl)but-3-yn-2-ol
79756-90-4

4-(4-methylphenyl)but-3-yn-2-ol

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 20℃; for 5.5h; Sonogashira coupling; Inert atmosphere;100%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In dimethyl sulfoxide; triethylamine at 40 - 45℃; for 10.3h;91%
With potassium carbonate In N,N-dimethyl-formamide at 110℃; for 7h; Sonogashira coupling;87%
benzaldehyde
100-52-7

benzaldehyde

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

1-phenyl-2-pentyne-1,4-diol
135468-12-1

1-phenyl-2-pentyne-1,4-diol

Conditions
ConditionsYield
Stage #1: but-3-yn-2-ol With methyllithium In tetrahydrofuran; diethyl ether at -50℃; for 2h;
Stage #2: benzaldehyde In tetrahydrofuran; diethyl ether at -50 - 20℃;
100%
Stage #1: but-3-yn-2-ol With n-butyllithium In tetrahydrofuran at -78℃; for 2h;
Stage #2: benzaldehyde In tetrahydrofuran at -78 - 20℃; Further stages.;
82%
Stage #1: but-3-yn-2-ol With n-butyllithium In diethyl ether at -78℃; for 2h; Inert atmosphere;
Stage #2: benzaldehyde In diethyl ether at -78 - 20℃; Inert atmosphere;
82%
With n-butyllithium In tetrahydrofuran at -78 - 20℃;
Stage #1: but-3-yn-2-ol With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Schlenk technique;
Stage #2: benzaldehyde In tetrahydrofuran; hexane at -78 - 20℃; for 24h; Schlenk technique;
triisopropylsilyl chloride
13154-24-0

triisopropylsilyl chloride

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

3-(triisopropylsilyl)oxybut-1-yne
868764-60-7

3-(triisopropylsilyl)oxybut-1-yne

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; for 15h;100%
3,5-dimethylphenyl iodide
22445-41-6

3,5-dimethylphenyl iodide

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

4-(3,5-dimethylphenyl)-3-butyn-2-ol
1020212-00-3

4-(3,5-dimethylphenyl)-3-butyn-2-ol

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 20℃; for 4h; Sonogashira coupling; Inert atmosphere;100%
With triethylamine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In N,N-dimethyl-formamide at 100℃; for 0.166667h; Sonogashira reaction; microwave irradiation;
[κ1(C(1),C(4))-C(CO2Me)=C(CO2Me)C(CO2Me)=C(CO2Me)](PPh3)2IrCl

[κ1(C(1),C(4))-C(CO2Me)=C(CO2Me)C(CO2Me)=C(CO2Me)](PPh3)2IrCl

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

[κ1(C(1),C(4))-C(CO2Me)=C(CO2Me)C(CO2Me)=C(CO2Me)](PPh3)2Ir(CO)(E-CH=CHMe)
167385-31-1

[κ1(C(1),C(4))-C(CO2Me)=C(CO2Me)C(CO2Me)=C(CO2Me)](PPh3)2Ir(CO)(E-CH=CHMe)

Conditions
ConditionsYield
In dichloromethane; water two phases, 24 h at 25°C;100%
In chloroform; water in air, Ir compd. and ligand (1:10 molar ratio) in aq. chloroform, stirred at 23°C for 15 h; evapd., recrystd. (benzene/hexane);95%
In dichloromethane-d2; water Ir compd. and ligand for 21 h; NMR;
1,4-diazidobutane
24345-72-0

1,4-diazidobutane

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

C12H20N6O2
1250839-21-4

C12H20N6O2

Conditions
ConditionsYield
With copper(I) bromide In N,N-dimethyl-formamide at 50℃; for 12h; Huigen-type cycloaddition; regioselective reaction;100%
C23H26I2O4

C23H26I2O4

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

C31H36O6

C31H36O6

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran Sonogashira Cross-Coupling;100%
but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

chlorophosphoric acid diphenyl ester
2524-64-3

chlorophosphoric acid diphenyl ester

but-3-yn-2-yl diphenyl phosphate

but-3-yn-2-yl diphenyl phosphate

Conditions
ConditionsYield
With triethylamine; trifluoroacetic acid In dichloromethane at 0 - 20℃; Inert atmosphere;100%
but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

Diphenylphosphinic chloride
1499-21-4

Diphenylphosphinic chloride

O-1-methyl-2-propynyl phenylphenylphosphinate
23834-42-6

O-1-methyl-2-propynyl phenylphenylphosphinate

Conditions
ConditionsYield
With triethylamine; trifluoroacetic acid In dichloromethane at 0 - 20℃; Inert atmosphere;100%
benzophenone
119-61-9

benzophenone

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

(R/S)-1,1-diphenylpent-2-yne-1,4-diol
783339-46-8

(R/S)-1,1-diphenylpent-2-yne-1,4-diol

Conditions
ConditionsYield
Stage #1: but-3-yn-2-ol With n-butyllithium In tetrahydrofuran; hexane at -40℃; for 0.333333h; Inert atmosphere;
Stage #2: benzophenone With cerium(III) chloride In tetrahydrofuran; hexane Reagent/catalyst;
100%
Stage #1: but-3-yn-2-ol With n-butyllithium In tetrahydrofuran; hexane at -40℃; for 0.5h; Inert atmosphere;
Stage #2: benzophenone In tetrahydrofuran; hexane Inert atmosphere;
87%
ethyl vinyl ether
109-92-2

ethyl vinyl ether

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

2-(3-oxa-pent-2-yloxy)-but-3-yne
5967-11-3

2-(3-oxa-pent-2-yloxy)-but-3-yne

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In dichloromethane at 23℃; for 1h;99%
With pyridinium p-toluenesulfonate In dichloromethane at 23℃; for 1h;99%
With pyridinium p-toluenesulfonate In dichloromethane for 1h;93%
With hydrogenchloride for 2h;83%
With hydrogenchloride
but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

1,1,1,3,3,3-hexamethyl-disilazane
999-97-3

1,1,1,3,3,3-hexamethyl-disilazane

3-(trimethylsiloxy)but-1-yne
17869-76-0, 100244-12-0, 117924-32-0

3-(trimethylsiloxy)but-1-yne

Conditions
ConditionsYield
at 110℃; for 12h;99%
at 110℃; for 16h;99%
for 0.166667h; microwave irradiation;95%
but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

(μ-η(2)-η(2)-HC*CCH(CH3)OH)Co2(CO)6
40687-04-5, 172511-75-0

(μ-η(2)-η(2)-HC*CCH(CH3)OH)Co2(CO)6

Conditions
ConditionsYield
In dichloromethane at 20℃; Inert atmosphere;99%
In diethyl ether N2; soln. stirred for 0.5 h until no CO evolution was no longer visible; evapn., flash chromy. (elution with hexane to remove Co impurities); elution with 20/1 hexane/ethylacetate, elem. anal.;84%
In not given reacting Co2(CO)8 soln. with alkyne until CO formation is completed; room temp., under N2;
In not given reacting Co2(CO)8 soln. with alkyne until CO formation is completed; room temp., under N2;
ethane-1,2-diyl bis(2-(2-iodophenyl)acetate)
1269806-61-2

ethane-1,2-diyl bis(2-(2-iodophenyl)acetate)

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

ethane-1,2-diyl bis(2-(2-(3-hydroxybut-1-ynyl)phenyl)acetate)
1269806-66-7

ethane-1,2-diyl bis(2-(2-(3-hydroxybut-1-ynyl)phenyl)acetate)

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran Sonogashira coupling;99%
butane-1,4-diyl bis(2-(2-iodophenyl)acetate)
1269806-62-3

butane-1,4-diyl bis(2-(2-iodophenyl)acetate)

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

butane-1,2-diyl bis(2-(2-(3-hydroxybut-1-ynyl)phenyl)acetate)
1269806-71-4

butane-1,2-diyl bis(2-(2-(3-hydroxybut-1-ynyl)phenyl)acetate)

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran Sonogashira coupling;99%
thiophenol
108-98-5

thiophenol

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

3-phenylsulfanyl-butan-2-one
13023-53-5, 132187-18-9, 132187-19-0

3-phenylsulfanyl-butan-2-one

Conditions
ConditionsYield
Stage #1: but-3-yn-2-ol With palladium diacetate; gold(I) chloride In nitromethane at 20℃; for 0.0833333h; Inert atmosphere;
Stage #2: thiophenol In nitromethane at 80℃; for 8h; Solvent; Time; Inert atmosphere; regioselective reaction;
99%
thiophenol
108-98-5

thiophenol

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

3-(phenylthio)-3-buten-2-ol
77202-27-8

3-(phenylthio)-3-buten-2-ol

Conditions
ConditionsYield
Stage #1: but-3-yn-2-ol With palladium diacetate; gold(I) chloride In nitromethane at 20℃; for 0.0833333h; Inert atmosphere;
Stage #2: thiophenol In nitromethane at 60℃; for 3h; Inert atmosphere; regioselective reaction;
99%
Stage #1: but-3-yn-2-ol With palladium diacetate In nitromethane at 20℃; for 0.0833333h; Microwave irradiation; Sealed tube;
Stage #2: thiophenol In nitromethane at 80℃; for 16h; regioselective reaction;
51%
cyclohexyl azide
19573-22-9

cyclohexyl azide

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

1-cyclohexyl-4-(1-hydroxyethyl)-1,2,3-triazole

1-cyclohexyl-4-(1-hydroxyethyl)-1,2,3-triazole

Conditions
ConditionsYield
With 2-{4-[(dimethylamino)methyl]-1,2,3-triazol-1-yl}cyclohexan-1-ol; copper(II) sulfate; sodium L-ascorbate In ethanol; water at 20℃; for 1.5h; Reagent/catalyst; Huisgen Cycloaddition;99%
With 2-{4-[(dimethylamino)methyl]-1,2,3-triazolyl}cyclohexan-1-ol; copper(II) sulfate; sodium L-ascorbate In ethanol; water at 20℃; for 1.5h;99%
BOC-glycine
4530-20-5

BOC-glycine

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

N-Boc-glycine-2-butyn-1-ester
537710-07-9

N-Boc-glycine-2-butyn-1-ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 16h; Inert atmosphere;99%
1-Iodonaphthalene
90-14-2

1-Iodonaphthalene

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

4-(naphthalen-1-yl)but-3-yn-2-ol

4-(naphthalen-1-yl)but-3-yn-2-ol

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran at 0 - 20℃; for 16h; Sonogashira Cross-Coupling; Inert atmosphere;99%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In N,N-dimethyl-formamide at 20℃; Inert atmosphere;98%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In N,N-dimethyl-formamide at 20℃;
Phenylselenyl bromide
34837-55-3

Phenylselenyl bromide

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

4-Phenylselanyl-but-3-yn-2-ol
104829-02-9

4-Phenylselanyl-but-3-yn-2-ol

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 1h;98%
1-Fluoro-2-iodobenzene
348-52-7

1-Fluoro-2-iodobenzene

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

4-(2-fluorophenyl)but-3-yn-2-ol
893746-80-0

4-(2-fluorophenyl)but-3-yn-2-ol

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In N,N-dimethyl-formamide at 20℃; Inert atmosphere;98%
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide at 60℃;
but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

para-nitrophenyl bromide
586-78-7

para-nitrophenyl bromide

4-(4'-nitrophenyl)-3-butyn-2-ol
111887-20-8

4-(4'-nitrophenyl)-3-butyn-2-ol

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran at 80℃; Inert atmosphere; Schlenk technique;98%
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide at 80℃;
2-Iodothiophene
3437-95-4

2-Iodothiophene

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

(+/-)-4-(thiophen-2-yl)but-3-yn-2-ol
422308-84-7

(+/-)-4-(thiophen-2-yl)but-3-yn-2-ol

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In N,N-dimethyl-formamide at 20℃; Inert atmosphere;98%
With copper(l) iodide; ethanolamine; triphenylphosphine; palladium on activated charcoal In water at 80℃; for 8h; Sonogashira coupling;90%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran at 60℃; Inert atmosphere; Schlenk technique;84%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In N,N-dimethyl-formamide at 20℃;
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 20℃; for 12h;
(Z)-{N-[4-(2-(N'-3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)-4-methylbenzenesulfonamido)methylallyloxy]but-2-enyl}-2-nitrobenzenesulfonamide
1018387-42-2

(Z)-{N-[4-(2-(N'-3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)-4-methylbenzenesulfonamido)methylallyloxy]but-2-enyl}-2-nitrobenzenesulfonamide

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

C35H32F17N3O7S2
1018389-92-8

C35H32F17N3O7S2

Conditions
ConditionsYield
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 20℃; for 1h; Fukuyama-Mitsunobu reaction;98%
3-Iodotoluene
625-95-6

3-Iodotoluene

but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

4-(m-methylphenyl)-3-butyn-2-ol
265660-98-8

4-(m-methylphenyl)-3-butyn-2-ol

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In N,N-dimethyl-formamide at 20℃; Inert atmosphere;98%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In dimethyl sulfoxide; triethylamine at 40 - 45℃; for 10.5h;89%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In N,N-dimethyl-formamide at 20℃;
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 20℃; for 12h;

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