We are a manufacture, have lab and production base in china. Can provide you competitive price, with qualified compounds and convenience service. We can provide you custom synthesis and custom manufacturing,especially our catalogue product de
Cas:471-25-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryDayangChem 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
Cas:471-25-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryPropiolic acid CAS No.:471-25-0 Name: Propiolic acid Synonyms: 2-Propynoic acid; Acetylenecarboxylic acid; Propargylic acid Molecular Structure: Molecular Formu
Cas:471-25-0
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Other
inquiryhigh 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
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
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
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&
Cas:471-25-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:471-25-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home
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
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
Cas:471-25-0
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryZibo 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:471-25-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:colourless or light yellow liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceu
Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:471-25-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:471-25-0
Min.Order:1 Gram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
manufacture Application:The refence standard products, for lab use, also we could produce bigger quantity on yr requirement.
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:471-25-0
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
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
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
TIANFUCHEM--High purity 471-25-0 Propiolic acidd Application:TIANFUCHEM--High purity 471-25-0 Propiolic acidd
Cas:471-25-0
Min.Order:0
Negotiable
Type:Other
inquiryTIANFUCHEM--High purity 471-25-0 Propiolic aciddAppearance:powder Storage:room tempurature Package:As required Application:medical Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or by sea
Cas:471-25-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.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:471-25-0
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
Stage #1: Propargylamine With sodium nitrate at 30 - 45℃; for 3.33h; Stage #2: With diethyleneglycol diacetate; antimonypentachloride at 56℃; for 0.833333h; Temperature; | 94% |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; copper(l) chloride In decane; acetonitrile at 20℃; for 5h; | 93% |
With sodium hydroxide; sodium hypochlorite; TEMPOL In water; ethyl acetate at 15 - 20℃; pH=8.5; Aqueous phophate buffer; | 92% |
With sodium hydroxide; sodium hypochlorite; disodium hydrogenphosphate; phosphoric acid; TEMPOL In water at 5 - 10℃; pH=7 - 10; Aqueous phophate buffer; | 83% |
Conditions | Yield |
---|---|
With sodium hydroxide; sodium hypochlorite; sulfuric acid; TEMPOL In water at 5 - 10℃; pH=8 - 10; | A 0.9% B 83% |
With sodium hydroxide; sodium hypochlorite; sulfuric acid; TEMPOL; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane; water at 5 - 10℃; pH=8 - 10; | A 1.3% B 46% |
Conditions | Yield |
---|---|
With water at 140℃; |
Conditions | Yield |
---|---|
With water at 140℃; |
sodium acetylide
methylammonium carbonate
Propiolic acid
Conditions | Yield |
---|---|
With carbon dioxide under 38000 - 45600 Torr; |
Conditions | Yield |
---|---|
With carbon dioxide | |
With diethyl ether; carbon dioxide |
Conditions | Yield |
---|---|
at 38 - 95℃; Rate constant; Das Eingangsprodukt ist die Saeure, der Mononatrium-Salz und der Dinatrium-Salz.Decarboxylation; |
Conditions | Yield |
---|---|
at 38 - 95℃; Rate constant; Das Eingangsprodukt ist die Saeure der Mononatrium-Salz und der Dinatrium-Salz.Decarboxylation; |
Conditions | Yield |
---|---|
at 38 - 95℃; Rate constant; Das Eingangsprodukt ist die Saeure der Mononatrium-Salz und der Dinatrium-Salz.Decarboxylation; |
Conditions | Yield |
---|---|
at 38 - 95℃; Rate constant; Das Eingangsprodukt ist die Saeure der Mononatrium-Salz und der Dinatrium-Salz.Decarboxylation; |
Propiolic acid
Propiolic acid
Conditions | Yield |
---|---|
With water |
Propiolic acid
Conditions | Yield |
---|---|
With ethanol ueber mehrere Stufen; |
sulfuric acid
propargyl alcohol
A
Propargylic aldehyde
B
Propiolic acid
Conditions | Yield |
---|---|
elektrochemische Oxydation an einer Bleidioxid-Anode; |
water
Acetylenedicarboxylic acid
A
carbon dioxide
B
Propiolic acid
water
Acetylenedicarboxylic acid
A
methylammonium carbonate
B
Propiolic acid
C
acetylene
Conditions | Yield |
---|---|
at 130℃; |
n-butyllithium
Vinyl bromide
carbon dioxide
A
Propiolic acid
B
Acetylenedicarboxylic acid
Conditions | Yield |
---|---|
at 14℃; |
trans-2-bromobutenedioic acid
water
A
carbon dioxide
B
hydrogen bromide
C
Propiolic acid
Conditions | Yield |
---|---|
at 140℃; |
cis-2-bromobutenedioic acid
water
A
carbon dioxide
B
hydrogen bromide
C
Propiolic acid
Conditions | Yield |
---|---|
at 140℃; |
meso-2,3-dibromosuccinic acid
A
hydrogen bromide
B
Propiolic acid
C
Acetylenedicarboxylic acid
Conditions | Yield |
---|---|
at 140℃; |
Conditions | Yield |
---|---|
at 140℃; |
Conditions | Yield |
---|---|
entsteht Acetylendicarbonsaeure, die unter den Versuchsbedingungen teilweise in das Produkt2 und Produkt3 gespalten wird; |
Conditions | Yield |
---|---|
With sodium iodide In trifluoroacetic acid for 48h; Heating; | 100% |
With hydrogen iodide In water at 95℃; for 21h; | 94% |
With hydrogen iodide at 95℃; for 21h; | 94% |
(-)-menthol
Propiolic acid
(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl propiolate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene Reflux; Dean-Stark; | 100% |
With sulfuric acid | |
With sulfuric acid for 216h; Ambient temperature; | |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 25℃; for 6h; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; for 18h; Inert atmosphere; Schlenk technique; | 100% |
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; for 18h; Inert atmosphere; | 100% |
With sodium hydrogencarbonate In N,N-dimethyl-formamide for 20h; Ambient temperature; | |
With potassium carbonate In acetone |
(E)-hept-4-en-1-ol
Propiolic acid
Propynoic acid (E)-hept-4-enyl ester
Conditions | Yield |
---|---|
With sulfuric acid | 100% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene | 100% |
toluene-4-sulfonic acid In toluene for 18h; Heating / reflux; | 96% |
With toluene-4-sulfonic acid | 84% |
With toluene-4-sulfonic acid In benzene for 16h; Heating; | 84% |
Propiolic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; Acylation; | 100% |
Propiolic acid
(1R,4R)-3-(2-Benzenesulfinyl-ethyl)-4-(tert-butyl-dimethyl-silanyloxymethyl)-4-methyl-cyclohex-2-enol
(1R,4R)-4-tert-butyldimethylsilyloxymethyl-4-methyl-3-(2-phenylsulfinylethyl)-2-cyclohexenyl propiolate
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 0℃; for 1h; | 100% |
adamantane-2-thione
Propiolic acid
spiro[6H-[1,3]oxathiin-2,2'-tricyclo[3.3.1.13,7]decan]-6-one
Conditions | Yield |
---|---|
In toluene Heating; | 100% |
In toluene for 5h; Heating; | 100% |
In toluene at 79.84℃; Kinetics; Further Variations:; Solvents; Temperatures; |
bis(tri-n-butyltin)oxide
Propiolic acid
Propiolsaeure-tri-n-butylstannylester
Conditions | Yield |
---|---|
In benzene byproducts: H2O, dicarboxylate; mole ratio of (C4H9)3SnOSn(C4H9)3 and carboxylic acid 1:2; at 20°C or at reflux temp. to remove of water formed by azeotropic distn.; | 100% |
Phenyl azide
Propiolic acid
1-phenyl-1H-[1,2,3]triazole-4-carboxylic acid
Conditions | Yield |
---|---|
With copper(ll) sulfate pentahydrate; sodium 2-(1,2-dihydroxyethyl)-4-hydroxy-5-oxo-2,5-dihydro-furan-3-olate In water; tert-butyl alcohol at 20℃; for 21h; | 100% |
Stage #1: Propiolic acid With 2-nitrophenylboronic acid In 1,2-dichloro-ethane at 25℃; for 0.166667h; Inert atmosphere; Stage #2: Phenyl azide In 1,2-dichloro-ethane at 25℃; for 24h; Huisgen cycloaddition; Inert atmosphere; regioselective reaction; | 82% |
With sodium L-ascorbate In water; ethylene glycol at 60℃; for 0.5h; | 78% |
9-(2-azidoethylamino)-N-(2-(dimethylamino)ethyl)acridine-4-carboxamide
Propiolic acid
1-(2-(4-(2-(dimethylamino)ethylcarbamoyl)acridin-9-ylamino)ethyl)-1H-1,2,3-triazole-4-carboxylic acid
Conditions | Yield |
---|---|
With copper(II) sulfate; sodium L-ascorbate In water; tert-butyl alcohol at 20℃; | 100% |
Propiolic acid
Conditions | Yield |
---|---|
With copper(l) iodide In N,N-dimethyl-formamide at 60℃; for 30h; | 100% |
Propiolic acid
Conditions | Yield |
---|---|
With copper(l) iodide In N,N-dimethyl-formamide at 60℃; for 30h; | 100% |
(1S)-1,3,3-trimethylbicyclo[2.2.1]heptane-2-selone
Propiolic acid
C13H18O2Se
Conditions | Yield |
---|---|
With trifluoroacetic acid In chloroform at 20℃; for 48h; Wagner-Meerwein Rearrangement; | 100% |
(2-aminoxyethyl)carbamic acid tert-butyl ester
Propiolic acid
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; | 100% |
Propiolic acid
Conditions | Yield |
---|---|
With copper(ll) sulfate pentahydrate; sodium L-ascorbate In water; tert-butyl alcohol at 25℃; for 18h; | 100% |
Conditions | Yield |
---|---|
Stage #1: Propiolic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 15℃; for 0.333333h; Inert atmosphere; Stage #2: C34H58N3O14(1-)*Na(1+) With sodium hydrogencarbonate In methanol; dichloromethane at 20℃; for 0.5h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at -30℃; for 0.5h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
In propan-1-ol; ammonia at -33 - -30℃; for 3h; | 99.7% |
2-N-morpholinopropanethiol
Propiolic acid
β-(2-N-morpholinopropylthio)acrylic acid
Conditions | Yield |
---|---|
for 16h; | 99.2% |
2-(diethylamine)ethanethiol
Propiolic acid
β-(2-N,N-diethylaminoethylthio)acrylic acid
Conditions | Yield |
---|---|
With ammonia for 7h; | 99% |
Conditions | Yield |
---|---|
With gold(III) chloride; silver trifluoromethanesulfonate at 23℃; for 1h; | 99% |
With potassium tetrachloroplatinate; silver trifluoromethanesulfonate; trifluoroacetic acid In dichloromethane at 20℃; for 15h; | 96% |
With potassium tetrachloroplatinate; silver trifluoromethanesulfonate; trifluoroacetic acid at 20℃; for 15h; | 96% |
tris-(trimethylsilyl)silane
Propiolic acid
(Z)-3-[tris(trimethylsilyl)silyl]propenoic acid
Conditions | Yield |
---|---|
With oxygen In water at 20℃; for 24h; optical yield given as %de; stereoselective reaction; | 99% |
With tris-(trimethylsilyl)silane; 2-hydroxyethanethiol In water at 100℃; for 4h; | 95% |
at 20℃; | 90% |
Conditions | Yield |
---|---|
Stage #1: Propiolic acid With caesium carbonate In N,N-dimethyl-formamide at 0℃; for 0.333333h; Inert atmosphere; Stage #2: benzyl bromide In N,N-dimethyl-formamide at 0 - 20℃; for 0.166667h; Inert atmosphere; | 99% |
Stage #1: Propiolic acid With potassium carbonate In N,N-dimethyl-formamide at 0℃; for 0.166667h; Stage #2: benzyl bromide In N,N-dimethyl-formamide at 20℃; for 2h; | 94% |
Stage #1: Propiolic acid With potassium hydroxide In methanol at 20℃; for 0.25h; Stage #2: benzyl bromide In dimethyl sulfoxide at 40℃; for 2h; | 87% |
3-azidopropan-1-ol
Propiolic acid
1-(3-hydroxypropyl)-1H-[1,2,3]triazole-4-carboxylic acid
Conditions | Yield |
---|---|
With ascorbic acid; tris[1-(3-hydroxypropyl)-1H-1,2,3-triazol-4-ylmethyl]amine In water; tert-butyl alcohol at 20℃; for 10h; | 99% |
Conditions | Yield |
---|---|
With sodium hydroxide In methanol at 10 - 20℃; for 1h; Darkness; | 99% |
With sodium hydroxide In methanol at 10 - 20℃; for 1h; Darkness; | 99% |
With sodium hydroxide In methanol; water at 0 - 20℃; for 2h; | 97% |
With sodium hydroxide In methanol at 0 - 20℃; for 2h; | 97% |
With sodium hydride In tetrahydrofuran at 23℃; for 1h; Inert atmosphere; Darkness; |
n-butyl isonitrile
4-methoxy-benzylamine
isobutyraldehyde
Propiolic acid
Conditions | Yield |
---|---|
Stage #1: 4-methoxy-benzylamine; isobutyraldehyde In methanol at 40℃; for 0.5h; Ugi Condensation; Stage #2: n-butyl isonitrile In methanol at 50℃; for 0.333333h; Ugi Condensation; Stage #3: Propiolic acid In methanol for 3h; Ugi Condensation; Reflux; | 99% |
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,4-di(diphenylphosphino)-butane In dimethyl sulfoxide at 110℃; for 16h; | 99% |
With bis-triphenylphosphine-palladium(II) chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,2-bis-(diphenylphosphino)ethane In dimethyl sulfoxide at 80℃; | |
With bis-triphenylphosphine-palladium(II) chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,4-di(diphenylphosphino)-butane In dimethyl sulfoxide at 80℃; for 32h; |
Conditions | Yield |
---|---|
Stage #1: O-methylresorcine With sodium hydride In tetrahydrofuran; mineral oil at 0℃; Stage #2: Propiolic acid With dicyclohexyl-carbodiimide In tetrahydrofuran; mineral oil at 0 - 18℃; for 16h; | 99% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 3h; | 67% |
Conditions | Yield |
---|---|
With sodium carbonate In methanol at 20℃; Ugi Condensation; | 99% |
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