Ethyl 5-(3-cyano-5-fluorophenyl)-1-(3-cyanophenyl)-1H-pyrazole-3-carboxylate

Base Information

Chemical Name:Ethyl 5-(3-cyano-5-fluorophenyl)-1-(3-cyanophenyl)-1H-pyrazole-3-carboxylate
CAS No.:1187919-36-3
Molecular Formula:C₂₀H₁₃FN₄O₂
Molecular Weight:360.347
Hs Code.:

Synonyms:Ethyl 5-(3-cyano-5-fluorophenyl)-1-(3-cyanophenyl)-1H-pyrazole-3-carboxylate

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Chemical Property of Ethyl 5-(3-cyano-5-fluorophenyl)-1-(3-cyanophenyl)-1H-pyrazole-3-carboxylate

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Technology Process of Ethyl 5-(3-cyano-5-fluorophenyl)-1-(3-cyanophenyl)-1H-pyrazole-3-carboxylate

There total 3 articles about Ethyl 5-(3-cyano-5-fluorophenyl)-1-(3-cyanophenyl)-1H-pyrazole-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:

: 17672-26-3
3-cyanophenyl hydrazine

: 1187919-28-3
Ethyl 4-(3-cyano-5-fluorophenyl)-2,4-dioxobutyrate

: 1187919-36-3
Ethyl 5-(3-cyano-5-fluorophenyl)-1-(3-cyanophenyl)-1H-pyrazole-3-carboxylate

Guidance literature:: With hydrogenchloride; In N,N-dimethyl acetamide; water; at 20 ℃; for 20h;

Reference yield:

: 179898-34-1
3-bromo-5-fluorobenzonitrile

: 1187919-36-3
Ethyl 5-(3-cyano-5-fluorophenyl)-1-(3-cyanophenyl)-1H-pyrazole-3-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1.1: 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl / tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / toluene / Inert atmosphere; Reflux

1.2: 2 h / 20 °C

2.1: lithium hexamethyldisilazane / hexane; diethyl ether / 1 h / -78 °C / Inert atmosphere

2.2: 20 °C

3.1: hydrogenchloride / water; N,N-dimethyl acetamide / 20 h / 20 °C

With hydrogenchloride; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; lithium hexamethyldisilazane; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; In diethyl ether; hexane; N,N-dimethyl acetamide; water; toluene;

Reference yield:

: 105515-21-7
3-acetyl-5-fluorobenzenecarbonitrile

: 1187919-36-3
Ethyl 5-(3-cyano-5-fluorophenyl)-1-(3-cyanophenyl)-1H-pyrazole-3-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1.1: lithium hexamethyldisilazane / hexane; diethyl ether / 1 h / -78 °C / Inert atmosphere

1.2: 20 °C

2.1: hydrogenchloride / water; N,N-dimethyl acetamide / 20 h / 20 °C

With hydrogenchloride; lithium hexamethyldisilazane; In diethyl ether; hexane; N,N-dimethyl acetamide; water;