As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:2200-91-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWITH 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
Cas:2200-91-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
4-ETHYNYL-PHENOL CAS:2200-91-1 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 organic intermedi
Cas:2200-91-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:2200-91-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan 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
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
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
Cas:2200-91-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryShanghai Massive Chemical Technology Co., Ltd. is engaged in development, production and marketing Specialty Chemicals to satisfy the changing needs of the chemical industry. We specialize in manufacturing high quality of Advanced Intermediates, Sp
1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
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
4-Ethynyl-phenol 2200-91-1 Application:4-Ethynyl-phenol 2200-91-1
Cas:2200-91-1
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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
Cas:2200-91-1
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Compound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co
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
4-Ethynyl-phenolAppearance:liquid Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhen
FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 4-ETHYNYL-PHENOL, CAS:2200-91-1 with the most competitive price and the best quality.
Storage:Low temperature dry and shady Package:according to the request of customer Application:only for research Transportation:according to the request of customer
Cas:2200-91-1
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquirySupply top quality products with a reasonable price Application:api
Manufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en
4-(3-hydroxy-3-methylbut-1-yn-1-yl)phenol
4-ethynylphenol
Conditions | Yield |
---|---|
With potassium hydroxide In 1,4-dioxane at 120℃; for 12h; | 99% |
4-(2-(trimethylsilyl)ethynyl)phenol
4-ethynylphenol
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In chloroform for 1h; Inert atmosphere; | 97% |
With tetrabutyl ammonium fluoride In methanol at 20℃; for 12h; | 97% |
With potassium carbonate In methanol at 25℃; for 3h; | 85% |
[{4-(1,1-dimethylethyl)dimethylsiloxyphenyl}ethynyl]trimethylsilane
A
4-ethynylphenol
B
1-[(tert-butyldimethylsilyl)oxy]-4-ethynylbenzene
Conditions | Yield |
---|---|
With silver nitrate In water; acetone at 20℃; for 44h; | A n/a B 88% |
Conditions | Yield |
---|---|
diphenylphosphine-based palladium(0) complex on MCM-41 In water; N,N-dimethyl-formamide at 60℃; for 8h; Stille coupling; | 85% |
Conditions | Yield |
---|---|
Stage #1: p-Iodophenol; trimethylsilylacetylene With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diethylamine Sonogashira coupling; Stage #2: With potassium carbonate In methanol | 82% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In N,N-dimethyl-formamide at 60℃; for 4h; Inert atmosphere; | 80% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine Yield given. Multistep reaction; |
1,1-dibromo-2-(4-hydroxyphenyl)ethylene
4-ethynylphenol
Conditions | Yield |
---|---|
Stage #1: 1,1-dibromo-2-(4-hydroxyphenyl)ethylene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: With water In tetrahydrofuran; hexane at -78℃; for 0.5h; | 81% |
Conditions | Yield |
---|---|
Stage #1: carbon tetrabromide With triphenylphosphine In dichloromethane at 0℃; for 0.5h; Corey-Fuchs Alkyne Synthesis; Stage #2: 4-hydroxy-benzaldehyde In dichloromethane at 0 - 20℃; for 2h; Corey-Fuchs Alkyne Synthesis; Stage #3: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Corey-Fuchs Alkyne Synthesis; | 80% |
4-(3-hydroxy-3-methylbut-1-yn-1-yl)phenol
4-ethynylphenol
Conditions | Yield |
---|---|
With potassium hydroxide In 1,4-dioxane at 120℃; for 12h; | 99% |
4-(2-(trimethylsilyl)ethynyl)phenol
4-ethynylphenol
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In chloroform for 1h; Inert atmosphere; | 97% |
With tetrabutyl ammonium fluoride In methanol at 20℃; for 12h; | 97% |
With potassium carbonate In methanol at 25℃; for 3h; | 85% |
[{4-(1,1-dimethylethyl)dimethylsiloxyphenyl}ethynyl]trimethylsilane
A
4-ethynylphenol
B
1-[(tert-butyldimethylsilyl)oxy]-4-ethynylbenzene
Conditions | Yield |
---|---|
With silver nitrate In water; acetone at 20℃; for 44h; | A n/a B 88% |
Conditions | Yield |
---|---|
diphenylphosphine-based palladium(0) complex on MCM-41 In water; N,N-dimethyl-formamide at 60℃; for 8h; Stille coupling; | 85% |
Conditions | Yield |
---|---|
Stage #1: p-Iodophenol; trimethylsilylacetylene With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diethylamine Sonogashira coupling; Stage #2: With potassium carbonate In methanol | 82% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In N,N-dimethyl-formamide at 60℃; for 4h; Inert atmosphere; | 80% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine Yield given. Multistep reaction; |
1,1-dibromo-2-(4-hydroxyphenyl)ethylene
4-ethynylphenol
Conditions | Yield |
---|---|
Stage #1: 1,1-dibromo-2-(4-hydroxyphenyl)ethylene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: With water In tetrahydrofuran; hexane at -78℃; for 0.5h; | 81% |
Conditions | Yield |
---|---|
Stage #1: carbon tetrabromide With triphenylphosphine In dichloromethane at 0℃; for 0.5h; Corey-Fuchs Alkyne Synthesis; Stage #2: 4-hydroxy-benzaldehyde In dichloromethane at 0 - 20℃; for 2h; Corey-Fuchs Alkyne Synthesis; Stage #3: With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Corey-Fuchs Alkyne Synthesis; | 80% |
[4-(tetrahydropyran-2-yloxy)phenyl]ethyne
4-ethynylphenol
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In ethanol at 65℃; for 1h; | 67% |
3-methyl-4-(4-hydroxyphenyl)methylene-isoxazole-5(4H)-one
4-ethynylphenol
Conditions | Yield |
---|---|
at 800℃; under 0.000750075 Torr; | 67% |
Conditions | Yield |
---|---|
34.7% |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: 65.3 percent / p-toluenesulfonis acid monohydrate / dioxane / 1.5 h 2.1: triphenylphosphine; copper(I) iodide; palladium(II) chloride / triethylamine / 0.5 h / 50 °C 2.2: 93 percent / 5 h / 85 °C 3.1: 75.4 percent / potassium hydroxide / toluene / 6 h / 100 °C 4.1: 67 percent / pyridinium p-toluenesulfonate / ethanol / 1 h / 65 °C View Scheme |
4-[(tetrahydro-2H-pyran-2-yl)oxy]iodobenzene
4-ethynylphenol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: triphenylphosphine; copper(I) iodide; palladium(II) chloride / triethylamine / 0.5 h / 50 °C 1.2: 93 percent / 5 h / 85 °C 2.1: 75.4 percent / potassium hydroxide / toluene / 6 h / 100 °C 3.1: 67 percent / pyridinium p-toluenesulfonate / ethanol / 1 h / 65 °C View Scheme |
1-[(tetrahydro-2H-pyran-2-yl)oxy]-4-[3-hydroxy-3-methylbut-1-ynyl]benzene
4-ethynylphenol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 75.4 percent / potassium hydroxide / toluene / 6 h / 100 °C 2: 67 percent / pyridinium p-toluenesulfonate / ethanol / 1 h / 65 °C View Scheme |
t-butyldimethylsilyl-4-bromophenol
4-ethynylphenol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 64 percent / diisopropylamine; tri(tert-butyl)phosphane; CuI / PdCl2(PhCN)2 / dioxane / 20 h / 20 °C 2: AgNO3 / acetone; H2O / 44 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 77 percent / PPh3 / PdCl2(PPh3)2; CuI / triethylamine / 15 h / 70 °C 2: 99 percent / KOH / dioxane / 12 h / 120 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: triphenylphosphine / dichloromethane / 1 h / 0 °C 1.2: 2 h / 0 °C 2.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / -78 °C 2.2: 0.5 h / -78 °C View Scheme | |
Multi-step reaction with 2 steps 1: chloroform / 24 h / Cooling with ice; Inert atmosphere; Darkness 2: 800 °C / 0 Torr View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride / triethylamine / 3 h / 80 °C / Inert atmosphere 2: sodium hydroxide; water / methanol / 3 h / 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1.1: triethylamine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 0.33 h / Inert atmosphere 1.2: 20 h / Darkness; Inert atmosphere 2.1: tetrabutyl ammonium fluoride / chloroform / 1 h / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine / N,N-dimethyl-formamide 2: tetrabutyl ammonium fluoride View Scheme |
4-ethynylphenol
tert-butyldimethylsilyl chloride
1-[(tert-butyldimethylsilyl)oxy]-4-ethynylbenzene
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; | 100% |
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; | 67% |
In N,N-dimethyl-formamide at 20℃; |
Conditions | Yield |
---|---|
With copper(ll) sulfate pentahydrate; sodium L-ascorbate; triethyl 2,2,2”-(4,4’,4”-nitrilotris(methylene)tris(1H-1,2,3-triazole-4,1-diyl))triacetate In ethanol; water at 20℃; for 1h; Huisgen Cycloaddition; | 100% |
4-ethynylphenol
1-iodo-4-(trimethylsilylethynyl)benzene
4-(4-trimethylsilanylethynyl-phenylethynyl)-phenol
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diethylamine In tetrahydrofuran at 25℃; Sonogashira coupling reaction; | 93% |
Conditions | Yield |
---|---|
With copper(ll) sulfate pentahydrate; sodium L-ascorbate; triethyl 2,2,2”-(4,4’,4”-nitrilotris(methylene)tris(1H-1,2,3-triazole-4,1-diyl))triacetate In ethanol; water at 20℃; Huisgen Cycloaddition; | 92% |
With copper(ll) sulfate pentahydrate; sodium L-ascorbate; triethyl 2,2,2”-(4,4’,4”-nitrilotris(methylene)tris(1H-1,2,3-triazole-4,1-diyl))triacetate In ethanol; water at 20℃; for 1h; Huisgen Cycloaddition; | 92% |
4-ethynylphenol
4-methyl-2-oxo-2H-chromen-7-yl-1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate
7-(2-(4-hydroxyphenyl)ethynyl)-4-methyl-2H-chromen-2-one
Conditions | Yield |
---|---|
Stage #1: 4-methyl-2-oxo-2H-chromen-7-yl-1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate With (bis(tricyclohexyl)phosphine)palladium(II) dichloride In N,N-dimethyl acetamide at 20℃; for 0.166667h; Inert atmosphere; Stage #2: 4-ethynylphenol With tetrabutyl ammonium fluoride In N,N-dimethyl acetamide at 100℃; for 0.333333h; Sonogashira Cross-Coupling; Inert atmosphere; Microwave irradiation; | 91% |
Conditions | Yield |
---|---|
With 1,3-bis-(diphenylphosphino)propane; palladium diacetate; toluene-4-sulfonic acid In tetrahydrofuran; acetonitrile at 120℃; under 23272.3 Torr; for 72h; regioselective reaction; | 91% |
Conditions | Yield |
---|---|
Stage #1: 2-Iodophenol; 4-ethynylphenol With copper(l) iodide; trans-bis(triphenylphosphine)palladium dichloride; triethylamine In tetrahydrofuran at 40℃; for 0.5h; Microwave irradiation; Inert atmosphere; Stage #2: 1-Fluoro-3-iodobenzene In acetonitrile at 100℃; for 0.5h; Inert atmosphere; Microwave irradiation; | 91% |
Conditions | Yield |
---|---|
With [CuI(1,1′-bis(di-tert-butylphosphino)ferrocene)]; caesium carbonate In N,N-dimethyl-formamide at 25℃; under 760.051 Torr; for 24h; Inert atmosphere; | 90% |
4-ethynylphenol
α-azido-4'-hydroxyacetophenone
Conditions | Yield |
---|---|
With dipotassium peroxodisulfate; trimethylsilylazide; oxygen; copper diacetate In dimethyl sulfoxide at 20 - 25℃; for 12h; | 89% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 48h; | 89% |
Conditions | Yield |
---|---|
With 5-chloro-2-hydroxybenzoic acid; boric acid; palladium diacetate; 1,2-bis[di(t-butyl)phosphinomethyl]benzene In acetonitrile at 110℃; under 18100.7 Torr; for 48h; | 89% |
4-ethynylphenol
4-n-pentadecylbenzoic acid
4-ethynylphenyl 4-tetradecyloxybenzoate
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 16h; Inert atmosphere; Cooling with ice; | 88% |
4-ethynylphenol
tert-butylchlorodiphenylsilane
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide for 24h; Inert atmosphere; | 88% |
Conditions | Yield |
---|---|
Stage #1: 2-Iodophenol; 4-ethynylphenol With copper(l) iodide; trans-bis(triphenylphosphine)palladium dichloride; triethylamine In tetrahydrofuran at 40℃; for 0.5h; Microwave irradiation; Inert atmosphere; Stage #2: 3-iodopyridine In acetonitrile at 100℃; for 0.5h; Inert atmosphere; Microwave irradiation; | 88% |
Conditions | Yield |
---|---|
With 4,4'-bipyridine; [nickel(II)(pyridine)4(chloride)2]; N,N,N',N'-tetramethylguanidine In acetonitrile at 70℃; for 28h; Sealed tube; Green chemistry; | 85% |
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 90℃; for 24h; | 84% |
4-ethynylphenol
aniline
p-benzoquinone
4,4'-(1H-indole-2,3-diyl)diphenol
Conditions | Yield |
---|---|
Stage #1: 4-ethynylphenol; aniline With copper(l) chloride In methanol Inert atmosphere; Stage #2: p-benzoquinone In methanol at 25 - 28℃; for 6h; Irradiation; Inert atmosphere; regioselective reaction; | 84% |
Conditions | Yield |
---|---|
With 5-chloro-2-hydroxybenzoic acid; boric acid; palladium diacetate; 1,2-bis[di(t-butyl)phosphinomethyl]benzene In acetonitrile under 18100.7 Torr; for 48h; Heating; | 84% |
Conditions | Yield |
---|---|
With copper(ll) sulfate pentahydrate; sodium L-ascorbate; triethyl 2,2,2”-(4,4’,4”-nitrilotris(methylene)tris(1H-1,2,3-triazole-4,1-diyl))triacetate In ethanol; water at 20℃; Huisgen Cycloaddition; | 83% |
Conditions | Yield |
---|---|
With 3,4,5-trihydroxybenzoic acid; water at 60℃; for 6h; Sealed tube; Green chemistry; | 83% |
With ethyl 2-hydroxypropionate; water at 110℃; Green chemistry; | 83% |
With 1-hydroxytetraphenylcyclopentadienyl(tetraphenyl-2,4-cyclopentadien-1-one)-μ-hydrotetracarbonyldiruthenium(II); water; aniline; sodium chloride at 100℃; for 1h; Microwave irradiation; Sealed tube; | 71% |
With water |
Conditions | Yield |
---|---|
With [Ru(dppp)2(CH3CN)Cl][BPh4] In toluene at 110℃; for 12h; Inert atmosphere; stereoselective reaction; | 82% |
4-ethynylphenol
(2S,3S,4R)-N-tert-butoxycarbonyl-2-azidomethyl-3,4-O-isopropylidenepyrrolidine-3,4-diol
Conditions | Yield |
---|---|
With copper(l) iodide; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide; toluene at 50℃; | 81% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View