POTASSIUM, (Z)-2-CYANO-1-ETHOXYCARBONYL-ETHENOLATE

Base Information

• Chemical Name: POTASSIUM, (Z)-2-CYANO-1-ETHOXYCARBONYL-ETHENOLATE
• CAS No.: 728897-00-5
• Molecular Formula: C₆H₆NO₃*K
• Molecular Weight: 179.217
• Mol file: 728897-00-5.mol

Synonyms:2-Propenoicacid, 3-cyano-2-hydroxy-, ethyl ester, potassium salt (9CI)

Chemical Property of POTASSIUM, (Z)-2-CYANO-1-ETHOXYCARBONYL-ETHENOLATE

Chemical Property:

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of POTASSIUM, (Z)-2-CYANO-1-ETHOXYCARBONYL-ETHENOLATE

There total 1 articles about POTASSIUM, (Z)-2-CYANO-1-ETHOXYCARBONYL-ETHENOLATE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.0%

oxalic acid diethyl ester (95-92-1) + acetonitrile (75-05-8,26809-02-9) → potassium 1-cyano-3-ethoxy-3-oxoprop-1-en-2-olate (92664-05-6,728897-00-5)

Guidance literature:

With 18-crown-6 ether; potassium tert-butylate; In tetrahydrofuran; at 0 - 60 ℃; for 0.666667h;

DOI:10.1039/c9ob00892f

Reference yield: 50.0%

3-bromophenylhydrazine hydrochloride (27246-81-7) + potassium 1-cyano-3-ethoxy-3-oxoprop-1-en-2-olate (92664-05-6,728897-00-5) → ethyl 5-amino-1-(3-bromophenyl)-1H-pyrazole-3-carboxylate

Guidance literature:

In ethanol; at 90 ℃;

Reference yield:

potassium 1-cyano-3-ethoxy-3-oxoprop-1-en-2-olate (92664-05-6,728897-00-5) → ethyl 1-(3-bromophenyl)-6-(trifluoromethyl)-1H-pyrazolo[3,4-d]pyrimidine-3-carboxylate

Guidance literature:

Multi-step reaction with 5 steps

1: ethanol / 90 °C

2: trichlorophosphate / 0 - 20 °C / Inert atmosphere

3: hydrogenchloride / water; tetrahydrofuran / 40 °C

4: trifluoroacetic anhydride; triethylamine / dichloromethane / 3 h / 20 °C

5: ammonium formate / tert-butyl alcohol / 1.5 h / 110 °C

With hydrogenchloride; ammonium formate; triethylamine; trifluoroacetic anhydride; trichlorophosphate; In tetrahydrofuran; ethanol; dichloromethane; water; tert-butyl alcohol;

upstream raw materials:

oxalic acid diethyl ester

acetonitrile

Refernces

• 1、 Bagal, Sharan K.,Omoto, Kiyoyuki,Blakemore, David C.,Bungay, Peter J.,Bilsland, James G.,Clarke, Philip J.,Corbett, Matthew S.,Cronin, Ciaran N.,Cui, J. Jean,Dias, Rebecca,Flanagan, Neil J.,Greasley, Samantha E.,Grimley, Rachel,Johnson, Eric,Fengas, David,Kitching, Linda,Kraus, Michelle L.,McAlpine, Indrawan,Nagata, Asako,Waldron, Gareth J.,Warmus, Joseph S.. "Discovery of Allosteric, Potent, Subtype Selective, and Peripherally Restricted TrkA Kinase Inhibitors". . p. 247 - 265. Retrieved 2018/05/07.
• 2、 -. "AZA-ARYL 1H-PYRAZOL-1-YL BENZENE SULFONAMIDES". Paragraph 0236; 0237. . Retrieved 2018/02/28.