ethyl 3-(4-chlorophenyl)-4-cyano-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate

Base Information

Chemical Name:ethyl 3-(4-chlorophenyl)-4-cyano-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate
CAS No.:1322757-84-5
Molecular Formula:C₁₇H₁₂ClN₃O₂S
Molecular Weight:357.82
Hs Code.:

Synonyms:ethyl 3-(4-chlorophenyl)-4-cyano-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate

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Chemical Property of ethyl 3-(4-chlorophenyl)-4-cyano-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate

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Technology Process of ethyl 3-(4-chlorophenyl)-4-cyano-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate

There total 2 articles about ethyl 3-(4-chlorophenyl)-4-cyano-5-(1H-pyrazol-1-yl)thiophene-2-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:

: 288-13-1
NH-pyrazole

: 1322757-53-8
ethyl 3-(4-chlorophenyl)-4-cyano-5-(isopropylsulfonyl)thiophene-2-carboxylate

: 1322757-84-5
ethyl 3-(4-chlorophenyl)-4-cyano-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate

Guidance literature:: With 18-crown-6 ether; potassium tert-butylate; In tetrahydrofuran; at 20 ℃; for 168h; Inert atmosphere;
DOI:10.1002/ejoc.201100215

Reference yield:

: 882278-95-7
C₁₇H₁₆ClNO₂S₂

: 1322757-84-5
ethyl 3-(4-chlorophenyl)-4-cyano-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 4 h / 20 °C / Inert atmosphere

2: 18-crown-6 ether; potassium tert-butylate / tetrahydrofuran / 168 h / 20 °C / Inert atmosphere

With 18-crown-6 ether; potassium tert-butylate; 3-chloro-benzenecarboperoxoic acid; In tetrahydrofuran; dichloromethane;
DOI:10.1002/ejoc.201100215