2-(4-Fluoro-phenyl)-3-methyl-5-phenyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid methyl ester

Base Information

Chemical Name:2-(4-Fluoro-phenyl)-3-methyl-5-phenyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid methyl ester
CAS No.:118794-98-2
Molecular Formula:C₁₈H₁₇FN₂O₂
Molecular Weight:312.344
Hs Code.:

Synonyms:2-(4-Fluoro-phenyl)-3-methyl-5-phenyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid methyl ester

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Chemical Property of 2-(4-Fluoro-phenyl)-3-methyl-5-phenyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid methyl ester

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Technology Process of 2-(4-Fluoro-phenyl)-3-methyl-5-phenyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid methyl ester

There total 4 articles about 2-(4-Fluoro-phenyl)-3-methyl-5-phenyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid methyl 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: 88.0%

: 67-56-1
methanol

: 352-07-8
N-benzylidene-N'-(4-fluorophenyl)hydrazine

: 920-46-7,26937-45-1
Methacryloyl chloride

: 118794-98-2
2-(4-Fluoro-phenyl)-3-methyl-5-phenyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid methyl ester

Guidance literature:: Methacryloyl chloride; With PEG 4000; Tri-n-octylamine; In dichloromethane; at 20 ℃; for 24h;

N-benzylidene-N'-(4-fluorophenyl)hydrazine; With chloroamine-T; In dichloromethane; for 24h;

methanol; With sodium methylate; at 20 ℃; for 6h;
DOI:10.1055/s-2003-40863

Reference yield: 88.0%

: 99504-73-1
2-(4-fluorophenyl)-5-phenyl-2H-tetrazole

: 80-62-6,114512-63-9,143476-91-9,25188-98-1,9011-14-7
methacrylic acid methyl ester

: 118794-98-2
2-(4-Fluoro-phenyl)-3-methyl-5-phenyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid methyl ester

Guidance literature:: In ethanol; for 3h; Quantum yield; Irradiation;

Reference yield:

: 823-85-8
4-fluorophenyhydrazine hydrochloride

: 118794-98-2
2-(4-Fluoro-phenyl)-3-methyl-5-phenyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: trioctylamine / methanol / 0.17 h / 20 °C

2.1: PEG 4000; trioctylamine / CH₂Cl₂ / 24 h / 20 °C

2.2: chloramine-T / CH₂Cl₂ / 24 h

2.3: 88 percent / MeONa / 6 h / 20 °C

With PEG 4000; Tri-n-octylamine; In methanol; dichloromethane;
DOI:10.1055/s-2003-40863