ethyl 5-cyano-1-phenyl-4-{[(phenylimino)methylene]-amino}-1,4-dihydropyrazorol-3-carboxylate

Base Information

• Chemical Name: ethyl 5-cyano-1-phenyl-4-{[(phenylimino)methylene]-amino}-1,4-dihydropyrazorol-3-carboxylate
• CAS No.: 1416444-04-6
• Molecular Formula: C₂₀H₁₅N₅O₂
• Molecular Weight: 357.371

Synonyms:ethyl 5-cyano-1-phenyl-4-{[(phenylimino)methylene]-amino}-1,4-dihydropyrazorol-3-carboxylate

Chemical Property of ethyl 5-cyano-1-phenyl-4-{[(phenylimino)methylene]-amino}-1,4-dihydropyrazorol-3-carboxylate

Chemical Property:

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Technology Process of ethyl 5-cyano-1-phenyl-4-{[(phenylimino)methylene]-amino}-1,4-dihydropyrazorol-3-carboxylate

There total 1 articles about ethyl 5-cyano-1-phenyl-4-{[(phenylimino)methylene]-amino}-1,4-dihydropyrazorol-3-carboxylate 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:

C13H12N4O2 (957298-92-9) → ethyl 5-cyano-1-phenyl-4-{[(phenylimino)methylene]-amino}-1,4-dihydropyrazorol-3-carboxylate (1416444-04-6)

Guidance literature:

Multi-step reaction with 2 steps

1: hexachloroethane; triethylamine / tetrahydrofuran / 20 °C

2: tetrahydrofuran / 12 h / 0 - 5 °C / Inert atmosphere

With hexachloroethane; triethylamine; In tetrahydrofuran;

DOI:10.1002/ardp.201200142

Reference yield: 86.0%

ethyl 5-cyano-1-phenyl-4-{[(phenylimino)methylene]-amino}-1,4-dihydropyrazorol-3-carboxylate (1416444-04-6) + Hexamethylphosphorous triamide (1608-26-0) → 5-cyano-3-(ethoxycarbonyl)-1-phenyl-1-H-pyrazol-4-yl-(phenylimino)(tris(dimethylamino)phosphonio)methylamide (1416444-19-3)

Guidance literature:

In tetrahydrofuran; at 20 ℃; for 10h;

DOI:10.1002/ardp.201200142

Reference yield: 74.0%

diethyl 1-(methylthio)methylphosphonate (28460-01-7) + ethyl 5-cyano-1-phenyl-4-{[(phenylimino)methylene]-amino}-1,4-dihydropyrazorol-3-carboxylate (1416444-04-6) → ethyl 7-amino-6-(diethoxyphosphoryl)-6-(methylthio)-1-phenyl-5-(phenylimino)-5,6-dihydro-1H-pyrazolo[4,3-b]pyridine-3-carboxylate

Guidance literature:

With lithium hydride; In N,N-dimethyl-formamide; at 20 ℃; for 6h;

DOI:10.1002/ardp.201200142

upstream raw materials:

C₁₃H₁₂N₄O₂

Downstream raw materials:

C₂₀H₁₆N₅O₄P

ethyl 6-amino-5-(dimethoxyphosphoryl)-1-phenyl-1,4-dihydropyrrolo[3,2-c]pyrazole-3-carboxylate

ethyl 6-amino-5-(diethoxyphosphoryl)-1-phenyl-1,4-dihydropyrrolo[3,2-c]pyrazole-3-carboxylate

C₂₂H₂₀N₅O₄P

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