1-(2-fluoro-phenyl)-5-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester

Base Information

Chemical Name:1-(2-fluoro-phenyl)-5-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester
CAS No.:1034303-23-5
Molecular Formula:C₁₂H₁₁FN₂O₃
Molecular Weight:250.229
Hs Code.:

Synonyms:1-(2-fluoro-phenyl)-5-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester

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Chemical Property of 1-(2-fluoro-phenyl)-5-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester

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Technology Process of 1-(2-fluoro-phenyl)-5-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester

There total 1 articles about 1-(2-fluoro-phenyl)-5-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester 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: 84.0%

: 2924-15-4
(2-fluorophenyl)hydrazine hydrochloride

: 762-21-0
acetylenedicarboxylic acid diethyl ester

: 1034303-23-5
1-(2-fluoro-phenyl)-5-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester

Guidance literature:: (2-fluorophenyl)hydrazine hydrochloride; acetylenedicarboxylic acid diethyl ester; With potassium carbonate; In ethanol; at 20 ℃; for 4h; Heating / reflux;

With hydrogenchloride; In ethanol; water; for 1h;

Reference yield: 100.0%

: 37595-74-7
N,N-phenylbistrifluoromethane-sulfonimide

: 1034303-23-5
1-(2-fluoro-phenyl)-5-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester

: 1138036-86-8
ethyl 1-(2-fluorophenyl)-5-{[(trifluoromethyl)sulfonyl]oxy}-1H-pyrazole-3-carboxylate

Guidance literature:: With triethylamine; In tetrahydrofuran; at 5 - 20 ℃; for 2h;

Reference yield: 19.0%

: 1034303-23-5
1-(2-fluoro-phenyl)-5-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester

: 1138036-65-3
ethyl 5-bromo-1-(2-fluorophenyl)-1H-pyrazole-3-carboxylate

Guidance literature:: 1-(2-fluoro-phenyl)-5-hydroxy-1H-pyrazole-3-carboxylic acid ethyl ester; With phosphorus(V) oxybromide; at 110 ℃; for 2h;

With sodium hydrogencarbonate; In water; ethyl acetate;