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
Cas:14267-92-6
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inquiryFactory supply 5-Chloro-1-pentyne CAS 14267-92-6 with fast delivery Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed a
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inquiry5-Chloro-1-pentyne Basic information Product Name: 5-Chloro-1-pentyne Synonyms: 4-PENTYNYL CHLORIDE;5-CHLORO-1-PENTYNE;1-Chloro-4-pentyne;1-Pentyne,5-chloro-;5-chlo
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inquiry5-Chloro-1-pentyne CAS:14267-92-6 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 interm
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inquiryJ&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
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Min.Order:10 Gram
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inquiryProduct name: 5-Chloropent-1-yne CAS No.:14267-92-6 Molecule Formula:C5H7Cl Molecule Weight:102.56 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS
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inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
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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
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
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inquiryWe produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp
Stock products, own laboratoryAppearance:Colorless to light yellow clear liquid Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
pent-1-yn-5-ol
1-chloro-4-pentyne
Conditions | Yield |
---|---|
With methanesulfonyl chloride; triethylamine at 15 - 20℃; for 2.5h; Temperature; | 98.4% |
With oxalyl dichloride; Tropone In chloroform at 75℃; for 0.5h; Inert atmosphere; Sealed tube; | 84% |
With pyridine; thionyl chloride | |
Stage #1: pent-1-yn-5-ol With N,N-dimethylthiourea In dichloromethane at 20℃; Stage #2: With N-chloro-succinimide In dichloromethane at 20℃; for 1h; Irradiation; | 72 %Chromat. |
Conditions | Yield |
---|---|
With ammonia at -40℃; for 3h; | 78% |
In ammonia at -35℃; for 4h; | 34% |
With ammonia at -35℃; for 4h; | 34% |
With ammonia | |
In ammonia |
Conditions | Yield |
---|---|
(i) LiNH2, liq. NH3, (ii) /BRN= 605278/; Multistep reaction; | |
With n-butyllithium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide at -65℃; |
ammonia
sodium acetylide
1,3-chlorobromopropane
1-chloro-4-pentyne
Conditions | Yield |
---|---|
under 760 Torr; |
Conditions | Yield |
---|---|
With sodium hydroxide; diethylene glycol dibutyl ether |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 120℃; under 5171.62 Torr; for 0.25h; Flow reactor; | A 12 %Spectr. B n/a |
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 20℃; Inert atmosphere; |
1-chloro-4-pentyne
5-iodopent-1-yne
Conditions | Yield |
---|---|
With sodium iodide In acetone Finkelstein Reaction; Reflux; | 100% |
With sodium iodide In acetone for 72h; Inert atmosphere; Reflux; | 99% |
With sodium iodide In acetone for 3h; Reflux; | 99% |
Indole-3-carboxaldehyde
1-chloro-4-pentyne
1-(4-pentenyl)-1H-indole-3-carboxaldehyde
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 75℃; for 5h; Alkylation; | 100% |
With sodium hydride 1.) DMF, 70 deg C, 30 min, 2.) DMF, RT, 1 h; Yield given. Multistep reaction; | |
With sodium hydride 1.) DMF, RT, 10 min, 2.) DMF, from 70 to 80 deg C, 2 h; Multistep reaction; | |
Stage #1: 1-chloro-4-pentyne With sodium iodide In N,N-dimethyl-formamide at 20℃; for 0.25h; Inert atmosphere; Stage #2: Indole-3-carboxaldehyde With sodium hydride In N,N-dimethyl-formamide; mineral oil for 48h; Inert atmosphere; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide Gabriel Amine Synthesis; | 100% |
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 70℃; for 16h; | 96% |
With potassium carbonate; 18-crown-6 ether In benzene for 40h; Heating; | 92% |
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 70℃; for 16h; Inert atmosphere; | 87% |
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 70℃; for 16h; Inert atmosphere; | 78% |
1-chloro-4-pentyne
mercaptoacetic acid
2-(pent-4-ynylthio)acetic acid
Conditions | Yield |
---|---|
Stage #1: mercaptoacetic acid With potassium hydroxide In methanol at 0℃; for 0.333333h; Stage #2: 1-chloro-4-pentyne In methanol at 40 - 50℃; for 2h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With caesium carbonate; potassium iodide In acetonitrile at 85℃; | 100% |
1-chloro-4-pentyne
4-hydroxy-3-(trifluoromethyl)benzonitrile
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In 1-methyl-pyrrolidin-2-one at 65℃; for 24h; | 100% |
1-chloro-4-pentyne
Conditions | Yield |
---|---|
With copper nanoparticles on activated carbon; triethylamine In 1,4-dioxane at 60℃; for 20h; Huisgen Cycloaddition; Inert atmosphere; | 100% |
1-chloro-4-pentyne
Conditions | Yield |
---|---|
With tetrakis(acetonitrile)copper(I)tetrafluoroborate; tris[(1-benzyl-1H-1,2,3-triazol-4yl)methyl]amine In dichloromethane at 20℃; for 24h; | 100% |
silicon dioxide hydrate
1-chloro-4-pentyne
3,5-dimethyl-4-hydroxybenzonitrile
3-(3-methylisoxazol-5-yl)propyl chloride
3,5-dimethyl-4-(pent-4-yn-1-yloxy)benzonitrile
Conditions | Yield |
---|---|
In ethyl acetate | 99.4% |
In ethyl acetate | 99.4% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 65℃; for 21h; | 99% |
With potassium carbonate; potassium iodide In 1-methyl-pyrrolidin-2-one at 65℃; for 24h; | 70% |
1-chloro-4-pentyne
5-chloro-2-iodo-pent-1-ene
Conditions | Yield |
---|---|
With diphenyl hydrogen phosphite; diphenyl-phosphinic acid; iodine In chloroform at 20 - 30℃; for 16h; Inert atmosphere; regioselective reaction; | 99% |
With chloro-trimethyl-silane; sodium iodide In water; acetonitrile at 25℃; | 80% |
With chloro-trimethyl-silane; sodium iodide In water; acetonitrile at 20℃; for 3h; | 60% |
With iodine; Diphenylphosphine oxide In chloroform-d1 at 20℃; for 16h; Inert atmosphere; regioselective reaction; | 59% |
With chloro-trimethyl-silane; sodium iodide In water; acetonitrile at 20℃; for 1h; |
1-chloro-4-pentyne
4,4'-diiodobiphenyl
4,4'-bis-(5-chloropent-1-ynyl)biphenyl
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 60℃; for 3h; | 99% |
1-chloro-4-pentyne
Phenyl azide
4-(3-chloropropyl)-1-phenyl-1H-1,2,3-triazole
Conditions | Yield |
---|---|
With N,N’-bis-{2,6-(di-iso-propyl)phenyl}imidazol-2-ylidene-N,N’-(dicyclohexyl)imidazol-2-ylidenecopper(I) tetrafluoroborate In neat (no solvent) at 20℃; for 24h; Huisgen Cycloaddition; | 99% |
[(ICy)2Cu]PF6 at 20℃; for 0.416667h; Product distribution / selectivity; Huisgen cycloaddition; | 98% |
With [(ICy)2Cu]PF6 at 20℃; for 0.416667h; Huisgen cycloaddition; regioselective reaction; | 98% |
With copper diacetate; N-ethyl-N,N-diisopropylamine In acetonitrile at 25℃; for 1h; | 90% |
[(ICy)2Cu]PF6 at 20 - 40℃; for 18 - 43h; Conversion of starting material; Huisgen cycloaddition; |
2-pyrrolidinon
1-chloro-4-pentyne
1-((E)-5-chloropent-1-enyl)-2-pyrrolidin-2-one
Conditions | Yield |
---|---|
With dmap; ruthenium trichloride; tributylphosphine; water; potassium carbonate In toluene at 100℃; for 15h; optical yield given as %de; | 99% |
1-chloro-4-pentyne
N-(4-methylbenzyl)-4-pentyn-1-amine
C17H22ClN
Conditions | Yield |
---|---|
With copper(I) bromide In 1,4-dioxane at 100℃; for 0.5h; Microwave irradiation; Inert atmosphere; | 99% |
With copper(I) bromide In 1,4-dioxane at 100℃; for 0.5h; Microwave irradiation; regioselective reaction; | 99% |
1-chloro-4-pentyne
Conditions | Yield |
---|---|
With CuO-Fe3O4; potassium tert-butylate; oxygen at 60℃; for 48h; Glaser Coupling; | 99% |
With [2,2]bipyridinyl; oxygen; copper(l) chloride In N,N-dimethyl-formamide at 50℃; for 12h; Glaser Coupling; | 99% |
With piperidine; copper(l) chloride In toluene at 60℃; | 92% |
1-chloro-4-pentyne
benzyl azide
1-benzyl-4-(3-chloropropyl)-1H-[1,2,3]triazole
Conditions | Yield |
---|---|
With triethylamine In water at 22℃; for 8h; Inert atmosphere; Micellar solution; Green chemistry; | 99% |
With sodium ascorbate In water; tert-butyl alcohol at 50℃; for 1.5h; Huisgen reaction; | 96% |
With copper diacetate; N-ethyl-N,N-diisopropylamine In acetonitrile at 25℃; for 1h; | 85% |
1-chloro-4-pentyne
4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
Conditions | Yield |
---|---|
With Cu(1+)*CF3O3S(1-)*C22H35N; triethylamine In benzene at 20℃; for 12h; | 99% |
With C31H43IrN2Si In benzene-d6 at 20℃; for 0.216667h; Glovebox; Inert atmosphere; chemoselective reaction; | 99 %Spectr. |
With C40H50IrNP2 In benzene-d6 at 60℃; for 2h; | 99 %Spectr. |
Stage #1: 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane With C31H41IrN2Si at 20℃; for 0.05h; Inert atmosphere; Glovebox; Stage #2: 1-chloro-4-pentyne In fluorobenzene at 20℃; for 0.1h; | |
With C37H47F6N3O4S2Zn In tetrahydrofuran at 60℃; for 5h; | 73 %Spectr. |
ethyl diazoalaninate
1-chloro-4-pentyne
Conditions | Yield |
---|---|
With copper(I) bromide dimethylsulfide complex; C36H44N4O*BrH In dichloromethane at 30℃; for 2.5h; Inert atmosphere; enantioselective reaction; | 99% |
1-chloro-4-pentyne
Conditions | Yield |
---|---|
With copper(l) iodide; N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 24h; | 99% |
cis-1,2-Dichloroethylene
1-chloro-4-pentyne
Conditions | Yield |
---|---|
With N-butylamine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In benzene at 20℃; for 3h; | 98% |
chloro-trimethyl-silane
1-chloro-4-pentyne
(5-chloropent-1-ynyl)trimethylsilane
Conditions | Yield |
---|---|
With n-butyllithium 1.) THF, -20 degC, 2.) 15 min, 0 degC; | 98% |
Stage #1: 1-chloro-4-pentyne With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Schlenk technique; Inert atmosphere; Stage #2: chloro-trimethyl-silane In tetrahydrofuran Schlenk technique; Inert atmosphere; | 94% |
With n-butyllithium In tetrahydrofuran; hexane for 2h; -78 deg C to RT; | 92% |
Triallylborane
1-chloro-4-pentyne
A
3-methoxy-7-(3-chloropropyl)-3-borabicyclo{3.3.1}non-6-ene
B
propene
Conditions | Yield |
---|---|
With methanol In methanol Ar atmosphere; heating of borane and pentyne derivatives (140°C, 1.5 h), cooling (-10 - 0°C), addn. of MeOH, refluxing (1 h); distn.; elem. anal.; | A 82% B 98% |
Conditions | Yield |
---|---|
Stage #1: Undecane-1-thiol With potassium hydroxide In methanol for 0.25h; Inert atmosphere; Stage #2: 1-chloro-4-pentyne In methanol at 50℃; for 2h; | 98% |
1-chloro-4-pentyne
1-phenylpropane-2-thiol
pent-4-ynyl(1-phenylpropan-2-yl)sulfane
Conditions | Yield |
---|---|
Stage #1: 1-phenylpropane-2-thiol With potassium hydroxide In methanol for 0.25h; Inert atmosphere; Stage #2: 1-chloro-4-pentyne In methanol at 50℃; for 2h; | 98% |
1-chloro-4-pentyne
(Z,Z)-1,4,7,10-tetrachloro-4,6-decadiene
Conditions | Yield |
---|---|
With di(rhodium)tetracarbonyl dichloride; tris(2,4,6-trimethylphenyl)phosphine; trifluoroacetyl chloride In chlorobenzene at 130℃; for 3h; stereoselective reaction; | 98% |
1-chloro-4-pentyne
dimethylphenyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)silane
Conditions | Yield |
---|---|
Stage #1: dimethylphenyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)silane With 1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazolium chloride; copper(l) chloride; sodium t-butanolate In tetrahydrofuran at 22℃; for 0.5h; Inert atmosphere; Stage #2: 1-chloro-4-pentyne With methanol In tetrahydrofuran at 22℃; for 12h; Inert atmosphere; stereoselective reaction; | 98% |
Stage #1: dimethylphenyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)silane With tributylphosphine; dimethyl zinc(II) In tetrahydrofuran; n-heptane at 20℃; for 0.5h; Schlenk technique; Stage #2: 1-chloro-4-pentyne In tetrahydrofuran; n-heptane at 75℃; for 18h; Schlenk technique; Sealed tube; Stage #3: With water In tetrahydrofuran; n-heptane Schlenk technique; Sealed tube; | 80% |
ethyl 4-(1,2,3-thiodiazole)carboxylate
1-chloro-4-pentyne
Conditions | Yield |
---|---|
With 1,1'-bis-(diphenylphosphino)ferrocene; chloro(1,5-cyclooctadiene)rhodium(I) dimer In chlorobenzene at 80℃; for 7h; Inert atmosphere; Schlenk technique; Glovebox; | 98% |
Conditions | Yield |
---|---|
With potassium hydroxide In N,N-dimethyl-formamide at 80℃; for 3h; | 98% |
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