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
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
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
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
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:627-19-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
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.
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:627-19-0
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
inquiryAnsciep 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
Zhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The laboratory covers 600 m2 and the pilot plant covers 2000 m2. Kingorgchem i
Cas:627-19-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHebei ruishun trade co.,ltd, registered capital one million,have a production of pharmaceutical raw materials, pharmaceutical raw materials factory reagent r&d center,seek development by credit reputation.our products have a large price advanta
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
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
The system can just identify the products information in first sheet, it is not be permitted to add or edit new sheet by userself.Our products are required in MG to Gram only. · Pharmaceutical Reference Standards· Traceable workin
high quality,bulk supply,regular supply Storage:Room Temperature Package:bottle/drum Application:U-Chemo group offer 1) fine chemical and bulk production 2) Custom synthesis and contract research 3) New molecular's research 165) Total solution for
1-Pentyne 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
Debyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen
CFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio
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
Selective and non-selective hydrogenation of 1-pentyne catalyzed by silica-supported palladium has been studied by in situ X-ray absorption spectroscopy. Package:5, 25 g in ampule Application:1-Pentyne has been used in preparation of:lithium acetylid
high purity Application:Drug intermediates Materials intermediates and active molecules
Conditions | Yield |
---|---|
With potassium hydroxide In xylene Heating; | 94% |
With Aliquat 336; potassium hydroxide In water at 120℃; for 7h; | 80.9% |
With petroleum; sodium amide at 160 - 170℃; | |
With potassium hydroxide; mineral oil at 250℃; |
1-(triphenyl-λ5-phosphanylidene)pentan-2-one
1-Pentyne
Conditions | Yield |
---|---|
at 750℃; under 0.01 Torr; | 59% |
at 750℃; | 59% |
Conditions | Yield |
---|---|
With dinitrogen tetraoxide In diethyl ether at -78℃; for 0.166667h; Product distribution; | A 57% B 30% |
Conditions | Yield |
---|---|
In ammonium hydroxide at -35℃; | 56% |
With ammonia | |
With tetrahydrofuran; N,N-dimethyl-formamide | |
In ammonia at -60℃; | |
In ammonia Alkylation; |
Conditions | Yield |
---|---|
With Nonafluorobutanesulfonyl fluoride; tert-butylimino-tri(pyrrolidino)phosphorane In N,N-dimethyl-formamide at -10 - 20℃; | 53% |
hex-2-ynal
1-Pentyne
Conditions | Yield |
---|---|
With sodium hydroxide In methanol at 85℃; | 40% |
Conditions | Yield |
---|---|
With sodium at 100℃; Zers. des gebildeten Natriumpropylacetylens durch Wasser; |
Conditions | Yield |
---|---|
With sodium at 100℃; Zers. des gebildeten Natriumpropylacetylens durch Wasser; |
2-chloro-pent-2-ene
1-Pentyne
3-chloro-2-pentene
1-Pentyne
2-chloro-pent-1-ene
1-Pentyne
2-bromopent-1-ene
1-Pentyne
Conditions | Yield |
---|---|
With sodium amide; xylene at 150℃; Zersetzung des Reaktionsprodukts mit Wasser; | |
Multi-step reaction with 3 steps 1: chloroform; bromine 2: sodium ethylate 3: zinc; alcohol / 78 °C View Scheme |
1,2-dibromo-pent-1-ene
1-Pentyne
Conditions | Yield |
---|---|
With ethanol; zinc at 78℃; |
Conditions | Yield |
---|---|
With ammonia |
Conditions | Yield |
---|---|
Isomerisierung; |
Conditions | Yield |
---|---|
With petroleum; sodium amide at 140℃; |
2,2-dichloro-pentane
1-Pentyne
Conditions | Yield |
---|---|
With ammonia under 760 Torr; |
Conditions | Yield |
---|---|
With phosphorus pentachloride; potassium carbonate at 120℃; | |
Multi-step reaction with 2 steps 1: phosphorus pentachloride View Scheme | |
Multi-step reaction with 2 steps 1: phosphorus pentachloride View Scheme |
Conditions | Yield |
---|---|
at 1227℃; Equilibrium constant; |
3-buten-1-yne
(Z)-azomethane
A
Z-piperylene
B
1-methylbuta-1,3-diene
C
1-Pentyne
D
3-methyl-1-pentyne
E
(Z)-3-methyl-1,3-pentadiene
Conditions | Yield |
---|---|
In gas at 299.9℃; Thermodynamic data; Rate constant; Kinetics; Heating; other temperature; |
propene
A
1-Pentyne
B
3-methyl-but-1-yne
C
6-Methyl-hept-1-en-4-yne
D
1,1'-Dimethylethenebisallene
E
1-octene-4-yne
F
4-Methylhept-1-en-6-yne
Conditions | Yield |
---|---|
With Diatomic carbon at -196.1℃; Mechanism; |
Conditions | Yield |
---|---|
With potassium tert-butylate at 240℃; for 0.0166667h; Product distribution; Mechanism; |
Conditions | Yield |
---|---|
With perchloric acid; air; Pd(OAc)2-OPTA In ethanol at 25℃; for 3.5h; | A 89 % Chromat. B 11 % Chromat. |
With perchloric acid; air In ethanol at 25℃; for 3.5h; Product distribution; various reaction conditions; also for other n-alkenes; | A 89 % Chromat. B 11 % Chromat. |
ethyl 1,2-dipropyl-1-cyclopropene-3-carboxylate
A
1-Pentyne
B
ethyl 2-hexynoate
C
(Z)-ethyl 4-oxo-3-propyl-2-hepten-1-oate
D
(E)-ethyl 4-oxo-3-propyl-2-hepten-1-oate
E
butyric acid
Conditions | Yield |
---|---|
With oxygen In acetonitrile Product distribution; Mechanism; Irradiation; other solvents (sensitizers: methylene blue, MB; rose bengal, RB; polymer-based rose bengal, p-RB); |
1,2-di-n-propylcyclopropene
A
1-Pentyne
B
trans-1,3-octadien-5-one
C
5-nonyn-4-one
D
2-propyl-1-hexen-3-one
Conditions | Yield |
---|---|
With oxygen In acetonitrile Irradiation; other solvents (sensitizer: methylene blue, MB; rose bengal, RB); Yield given. Further byproducts given; | |
With oxygen In acetonitrile Irradiation; other solvents (sensitizer: methylene blue, MB; rose bengal, RB); Further byproducts given; |
1,2-di-n-propylcyclopropene
A
1-Pentyne
B
trans-1,3-octadien-5-one
C
5-nonyn-4-one
D
2-propyl-1-hexen-3-one
E
butyric acid
Conditions | Yield |
---|---|
With oxygen In acetonitrile Product distribution; Mechanism; Irradiation; other solvents (sensitizers: methylene blue, MB; rose bengal, RB; polymer based rose bengal, p-RB); |
Biphenyl-4-yl-dimethyl-pent-1-ynyl-silane
1-Pentyne
Conditions | Yield |
---|---|
With potassium carbonate In methanol | 72 % Chromat. |
C5H7(3)H
1-Pentyne
Conditions | Yield |
---|---|
With amine buffer; water at 25℃; Rate constant; μ = 0.10 M; |
1-Pentyne
hexakis[2-(dimethylaminomethyl)phenyl]cyclotrisilane
Dimethyl-{2-[1,2,2-tris-(2-dimethylaminomethyl-phenyl)-4-propyl-1,2-dihydro-[1,2]disilet-1-yl]-benzyl}-amine
Conditions | Yield |
---|---|
In benzene-d6 at 55℃; for 10h; | 100% |
Conditions | Yield |
---|---|
Stage #1: 1-Pentyne With n-butyllithium In tetrahydrofuran; hexane at -78 - 0℃; for 1.5h; Stage #2: benzaldehyde In tetrahydrofuran; hexane at -78 - 20℃; | 100% |
Stage #1: 1-Pentyne With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: benzaldehyde In tetrahydrofuran; hexane at 20℃; for 2h; | 98% |
Yield given. Multistep reaction; | |
Stage #1: 1-Pentyne With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: benzaldehyde In tetrahydrofuran; hexane at -78 - 0℃; for 6h; |
Conditions | Yield |
---|---|
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran at 20℃; for 3h; Inert atmosphere; | 100% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran at 20℃; for 3h; Inert atmosphere; | 94% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In N,N-dimethyl-formamide for 48h; Ambient temperature; | 91% |
Conditions | Yield |
---|---|
With copper(l) iodide; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride In triethylamine at 25℃; for 16h; Sonogashira coupling; | 100% |
Stage #1: 2-bromo-pyridine With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; triphenylphosphine at 25℃; for 0.5h; Inert atmosphere; Stage #2: 1-Pentyne at 25℃; for 16h; Inert atmosphere; | 94% |
Stage #1: 2-bromo-pyridine With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; triphenylphosphine at 25℃; for 0.5h; Inert atmosphere; Stage #2: 1-Pentyne at 25℃; for 16h; Inert atmosphere; | 94% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In diethylamine for 20h; Ambient temperature; | 84% |
Stage #1: 2-bromo-pyridine With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; triphenylphosphine for 0.5h; Sonogashira Cross-Coupling; Inert atmosphere; Stage #2: 1-Pentyne for 18h; Sonogashira Cross-Coupling; Inert atmosphere; Darkness; | 78% |
1-Pentyne
acetic acid 1-acetoxymethyl-2-(4-bromo-2-nitro-phenyl)-ethyl ester
acetic acid 1-acetoxymethyl-2-(2-nitro-4-pent-1-ynyl-phenyl)-ethyl ester
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran at 20℃; for 18h; Sonogashira coupling; | 100% |
Conditions | Yield |
---|---|
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) at 20℃; for 8h; Inert atmosphere; | 100% |
Stage #1: 1-Bromo-2-iodobenzene With bis-triphenylphosphine-palladium(II) chloride; triethylamine for 0.166667h; Sonogashira Cross-Coupling; Inert atmosphere; Stage #2: 1-Pentyne With copper(l) iodide at 20℃; Sonogashira Cross-Coupling; Inert atmosphere; | 100% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 50℃; for 4h; Sonogashira coupling; | 96% |
(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-4-azido-6-(methylthio)tetrahydro-2H-pyran-3,5-diyl diacetate
1-Pentyne
Conditions | Yield |
---|---|
With copper; N-ethyl-N,N-diisopropylamine In toluene at 45℃; | 100% |
With N-ethyl-N,N-diisopropylamine; copper(l) iodide In toluene at 50℃; for 72h; | 100% |
With copper(l) iodide; N-ethyl-N,N-diisopropylamine In toluene at 50℃; for 72h; regioselective reaction; | 99% |
2,4-dibromo-5-methyl-pyrimidine
1-Pentyne
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃; for 3h; Sonogashira coupling; | 100% |
2,4-dibromo-5,6-dimethyl-pyrimidine
1-Pentyne
4,5-dimethyl-2,6-di-pent-1-ynyl-pyrimidine
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃; for 3h; Sonogashira coupling; | 100% |
1-Pentyne
2-(dimethylamino)benzaldehyde
1-(2-dimethylaminophenyl)hex-2-yn-1-ol
Conditions | Yield |
---|---|
Stage #1: 1-Pentyne With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 0.25h; Stage #2: 2-(dimethylamino)benzaldehyde In tetrahydrofuran; hexane for 0.15h; | 100% |
1-Pentyne
ethyl chlorocarbonylacetate
3-oxo-oct-4-ynoic acid ethyl ester
Conditions | Yield |
---|---|
Stage #1: 1-Pentyne With isopropylmagnesium chloride In tetrahydrofuran at 20℃; for 6h; Stage #2: ethyl chlorocarbonylacetate In tetrahydrofuran at 0 - 20℃; | 100% |
Conditions | Yield |
---|---|
Stage #1: 1-Pentyne With n-butyllithium In tetrahydrofuran; hexane at -40 - 0℃; for 0.5h; Stage #2: (R)-propylene oxide With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran; hexane at -20 - 20℃; for 16.5h; | 100% |
2-iodophenyl methoxymethyl sulfide
1-Pentyne
2-(pent-1-ynyl)phenyl methoxymethyl sulfide
Conditions | Yield |
---|---|
With copper(l) iodide; triethylamine; triphenylphosphine; palladium dichloride at 20℃; Sonogashira coupling; | 100% |
Conditions | Yield |
---|---|
Stage #1: 1-Pentyne With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: cyclohexane-1,2-epoxide With boron trifluoride diethyl etherate In tetrahydrofuran; hexane at -78℃; for 3h; | 100% |
Stage #1: 1-Pentyne With n-butyllithium; boron trifluoride diethyl etherate In tetrahydrofuran at -78℃; for 0.166667h; Inert atmosphere; Stage #2: cyclohexane-1,2-epoxide In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Stage #3: With ammonium chloride In tetrahydrofuran; water | 68% |
1-Pentyne
trifluoro-methanesulfonic acid 3-methoxy-2-methyl-6-nitro-phenyl ester
C13H15NO3
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; tetra-(n-butyl)ammonium iodide In triethylamine; acetonitrile Sonogashira-Hagihara coupling; Reflux; | 100% |
1-Pentyne
N,N-diethyl-2-iodo-3-methoxy-4-(methoxymethoxy)benzamide
N,N-diethyl-3-methoxy-4-(methoxymethoxy)-2-(pent-1-yn-1-yl)benzamide
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In diethylamine at 60℃; for 35h; Sonogashira coupling; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With copper(l) iodide; N-ethyl-N,N-diisopropylamine; bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide at 20℃; for 24h; Arylation; | 99% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 24h; Condensation; | 99% |
With triethylamine; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran at 20℃; for 24h; Sonogashira coupling reaction; | 98% |
1-Pentyne
deca-4,6-diyne
Conditions | Yield |
---|---|
With oxygen; palladium on activated charcoal; copper(l) iodide In dimethyl sulfoxide at 20℃; for 24h; | 99% |
With N,N,N,N,-tetramethylethylenediamine In dichloromethane at 130℃; under 37503.8 Torr; for 0.333333h; Flow reactor; chemoselective reaction; | 98% |
With copper(l) iodide; triethylamine; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride In acetonitrile at 25℃; for 24h; | 96% |
Conditions | Yield |
---|---|
With copper(l) iodide; diisopropylamine; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride at 84℃; for 6h; Sonogashira coupling; | 99% |
1-Pentyne
benzyl 2-formyl-4-isopropoxy-5-methoxyphenyl sulfide
benzyl 2-(1-hydroxy-2-hexynyl)-4-isopropoxy-5-methoxyphenyl sulfide
Conditions | Yield |
---|---|
Stage #1: 1-Pentyne With n-butyllithium In tetrahydrofuran at -78℃; for 0.15h; Stage #2: benzyl 2-formyl-4-isopropoxy-5-methoxyphenyl sulfide In tetrahydrofuran at 18℃; for 0.25h; | 99% |
Conditions | Yield |
---|---|
With triethylamine In neat (no solvent) at 70℃; for 8h; Huisgen Cycloaddition; regioselective reaction; | 99% |
With [copper(I)]2[(2-picolyliminomethyl)pyrrole]2 In dichloromethane at 20℃; for 4h; Inert atmosphere; | 99% |
With Cu(I)complex of dendrimer of triazole rings with triethylene glycol termini In water at 30℃; for 24h; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With tetra-(n-butyl)ammonium iodide; triethylamine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In acetonitrile at 20℃; Sonogashira coupling; | 99% |
diethyl ether
1-Pentyne
1,4-bromoiodobenzene
palladium diacetate
1-bromo-4-(pent-1-yn-1-yl)benzene
Conditions | Yield |
---|---|
With triphenylphosphine In hexane; triethylamine | 99% |
1-Pentyne
3,5-dichloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one
C17H17ClN2O2
Conditions | Yield |
---|---|
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide at 80℃; for 0.166667h; Sonogashira coupling; microwave irradiation; | 99% |
Conditions | Yield |
---|---|
With methyllithium In diethyl ether dropwise addn. of CH3Li to a soln. of 1-pentyne (-20°C, inert atmosphere), stirring 1 h, warming to 0°C, addn. of (CH3)3SnCl (ether), warming to room temp. while stirring (12 h); removal of solvent, fractional distillation, distillation; | 99% |
1-Pentyne
2-Iodobenzoic acid,benzyl ester
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 20℃; Sonogashira coupling; Inert atmosphere; | 99% |
1-Pentyne
6-hydroxymethyl-5-iodo-1-isopropyl-1H-indazole
6-hydroxymethyl-1-isopropyl-5-(1-pentynyl)-1H-indazole
Conditions | Yield |
---|---|
copper(l) iodide; bis(triphenylphosphine)palladium(II)-chloride In N,N-dimethyl-formamide at 20℃; for 12h; | 99% |
1-Pentyne
[(1S,2S)-1-({(4-bromophenyl)[trans-2-(6-fluoropyridin-2-yl)cyclopropanecarbonyl]amino}methyl)-2-methylbutyl]carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride; bis-triphenylphosphine-palladium(II) chloride In tetrahydrofuran at 90℃; for 0.5h; Microwave irradiation; | 99% |
Conditions | Yield |
---|---|
Stage #1: 1-Pentyne With n-butyllithium In tetrahydrofuran; hexane at -78 - -15℃; Inert atmosphere; Stage #2: 3-phenyl-propionaldehyde In tetrahydrofuran; hexane at -78℃; Inert atmosphere; | 99% |
1-Pentyne
C11H10INO2
ethyl 5-(pent-1-yn-1-yl)-1H-indole-1-carboxylate
Conditions | Yield |
---|---|
Stage #1: 1-Pentyne; C11H10INO2 With bis-triphenylphosphine-palladium(II) chloride; triethylamine In tetrahydrofuran at 20℃; for 0.0833333h; Inert atmosphere; Stage #2: With copper(l) iodide In tetrahydrofuran at 20℃; Inert atmosphere; | 99% |
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