Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap
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:7341-96-0
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:7341-96-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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
1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:7341-96-0
Min.Order:1 Kilogram
FOB Price: $40.0 / 50.0
Type:Lab/Research institutions
inquiryThe 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 strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery
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
Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:7341-96-0
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryWe 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
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:7341-96-0
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryGood quantity Storage:R.T. Package:as per buyers Application:intermediate Transportation:by air/sea
Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin
★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use
Propiolamide cas 7341-96-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low priceAppearance:Waxy Yellow Solid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Quality assurance, stable process and affordable priceAppearance:detailed see specifications Storage:enquiry Package:according to the clients requirement Application:Pharmaceutical intermediates Transportation:Normal Port:chengdu
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Lower price, sample is available,large stock in warehouse.Best service, high quality and reasonable price.If you are looking for the material's manufacturer or supplier in China, Sibian chemical is your best choice. Application:Drug R&D
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
2-Propynamide (9CI) Package:25Kg/drum Application:Pharm Intermediates Transportation:Air transport, sea transport
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:7341-96-0
Min.Order:100 Kilogram
Negotiable
Type:Trading Company
inquiryChangzhou 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
Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Our advantages:1, High quality with competitive price:1) Standard:BP/USP/EP/Enterprise standard2) All Purity≥99%3) We are manufacturer a
Cas:7341-96-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With ammonia In water for 0.166667h; Cooling with isopropanol-dry ice; | 100% |
With ammonia In water | 99% |
With ammonia In water at -30 - 30℃; for 0.333333h; | 95.4% |
Conditions | Yield |
---|---|
With ammonia at -78 - 20℃; for 5h; | 100% |
With ammonia at -55℃; for 9h; | 83% |
With ammonium hydroxide at -10℃; for 1h; Inert atmosphere; | 74% |
2-propynamide
Conditions | Yield |
---|---|
With KF-Al2O3 (5 mol percent) In methanol at 25℃; for 0.333333h; | 82% |
Conditions | Yield |
---|---|
With iron(III) chloride; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; hydroxylamine hydrochloride; iodine; potassium carbonate In 1,2-dichloro-ethane at 90℃; for 19h; | 75% |
Conditions | Yield |
---|---|
With diethyl ether; ammonia |
Conditions | Yield |
---|---|
With sulfuric acid at 35 - 40℃; |
2-propynamide
(Z)-3-Chloropropenamide
Conditions | Yield |
---|---|
With acetic acid; lithium chloride at 90℃; for 22h; | 98% |
2-propynamide
(Z)-3-Iodopropenamide
Conditions | Yield |
---|---|
With acetic acid; lithium iodide at 90℃; for 22h; | 98% |
With lithium iodide In acetic acid at 90℃; for 8h; | 85% |
Conditions | Yield |
---|---|
Stage #1: pivalaldehyde With magnesium iodide In dichloromethane at 0 - 20℃; Morita-Baylis-Hillman reaction; Inert atmosphere; Stage #2: 2-propynamide In dichloromethane at 20℃; for 30h; Morita-Baylis-Hillman reaction; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
In ethanol at 40 - 50℃; for 0.5h; | 95.3% |
2-propynamide
indole-2,3-dione
L-proline
2-oxo-5',6',7',7a'-tetrahydrospiro[indoline-3,3'-pyrrolizine]-2'-carboxamide
Conditions | Yield |
---|---|
With copper(l) iodide In acetonitrile at 80℃; for 2h; Reagent/catalyst; Solvent; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
In diethyl ether for 1h; | 91% |
2-propynamide
5,7-dinitro-1H-indole-2,3-dione
L-proline
5,7-dinitro-2-oxo-5',6',7',7a'-tetrahydrospiro[indoline-3,3'-pyrrolizine]-2'-carboxamide
Conditions | Yield |
---|---|
With copper(l) iodide In acetonitrile at 80℃; for 2h; Inert atmosphere; | 90% |
2-propynamide
2-(benzylideneamino)phenol
methyl 2-diazo-2-(3-methoxyphenyl)acetate
Conditions | Yield |
---|---|
Stage #1: 2-(benzylideneamino)phenol In dichloromethane at 20℃; for 0.166667h; Molecular sieve; Stage #2: 2-propynamide; methyl 2-diazo-2-(3-methoxyphenyl)acetate With dirhodium tetraacetate In dichloromethane at 20℃; for 1h; Molecular sieve; | 90% |
2-propynamide
3',6'-bis(dimethylamino)-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carboxylic acid
Conditions | Yield |
---|---|
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dimethyl sulfoxide at 25℃; | 90% |
2-propynamide
Conditions | Yield |
---|---|
With N-iodo-succinimide; acetic acid In acetonitrile at 80℃; for 1.5h; Molecular sieve; | 89% |
With N-iodo-succinimide; acetic acid In acetonitrile at 80℃; for 1.5h; Molecular sieve; | 89% |
With iodine; sodium hydroxide In water |
2-propynamide
2-((naphthalen-2-ylmethylene)amino)phenol
Methyl phenyldiazoacetate
Conditions | Yield |
---|---|
With rhodium(II) acetate dimer In dichloromethane at 20 - 25℃; for 6h; Molecular sieve; Inert atmosphere; diastereoselective reaction; | 89% |
2-propynamide
2-(4-bromo-benzylidenamino)-phenol
Methyl phenyldiazoacetate
Conditions | Yield |
---|---|
Stage #1: 2-(4-bromo-benzylidenamino)-phenol In dichloromethane at 20℃; for 0.166667h; Molecular sieve; Stage #2: 2-propynamide; Methyl phenyldiazoacetate With dirhodium tetraacetate In dichloromethane at 20℃; for 1h; Molecular sieve; | A 89% B n/a |
2-propynamide
2-((naphthalen-1-ylmethylene)amino)phenol
Methyl phenyldiazoacetate
Conditions | Yield |
---|---|
Stage #1: 2-((naphthalen-1-ylmethylene)amino)phenol In dichloromethane at 20℃; for 0.166667h; Molecular sieve; Stage #2: 2-propynamide; Methyl phenyldiazoacetate With dirhodium tetraacetate In dichloromethane at 20℃; for 1h; Molecular sieve; | A n/a B 89% |
2-propynamide
Conditions | Yield |
---|---|
With copper(II) sulfate; sodium L-ascorbate In water; tert-butyl alcohol at 60℃; for 0.5h; Inert atmosphere; Sealed tube; | 89% |
2-propynamide
1-(azidomethyl)-3,5-dimethylbenzene
Conditions | Yield |
---|---|
With sodium chloride In water for 5h; Irradiation; regioselective reaction; | 89% |
Conditions | Yield |
---|---|
In diethyl ether at 20℃; for 18h; | 88% |
In dichloromethane for 1h; | 83% |
2-propynamide
methyl 2-oxocyclopentane-1-carboxylate
methyl 1-(3-amino-3-oxoprop-1-enyl)-2-oxocyclopentanecarboxylate
Conditions | Yield |
---|---|
With sodium carbonate In water at 0 - 20℃; for 2h; Michael addition; | 88% |
2-propynamide
4',4''-O,O-dimethylcurcumin
(2E,6E)-7-(3,4-dimethoxyphenyl)-4-((E)-3-(3,4-dimethoxyphenyl)acryloyl)-5-oxohepta-2,6-dienamide
Conditions | Yield |
---|---|
Stage #1: 4',4''-O,O-dimethylcurcumin With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.5h; Stage #2: 2-propynamide In tetrahydrofuran; mineral oil at 20℃; for 24.1667h; | 88% |
2-propynamide
N-4-chlorobenzylidene-2-hydroxyaniline
methyl 3-chlorophenyldiazoacetate
Conditions | Yield |
---|---|
With rhodium(II) acetate dimer In dichloromethane at 20 - 25℃; for 6h; Molecular sieve; Inert atmosphere; diastereoselective reaction; | 88% |
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