dimethyl 3-(2-oxo-2H-chromen-3-yl)-1-phenyl-1H-pyrazole-4,5-dicarboxylate

Base Information

Chemical Name:dimethyl 3-(2-oxo-2H-chromen-3-yl)-1-phenyl-1H-pyrazole-4,5-dicarboxylate
CAS No.:1448308-40-4
Molecular Formula:C₂₂H₁₆N₂O₆
Molecular Weight:404.379
Hs Code.:

Synonyms:dimethyl 3-(2-oxo-2H-chromen-3-yl)-1-phenyl-1H-pyrazole-4,5-dicarboxylate

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Chemical Property of dimethyl 3-(2-oxo-2H-chromen-3-yl)-1-phenyl-1H-pyrazole-4,5-dicarboxylate

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Technology Process of dimethyl 3-(2-oxo-2H-chromen-3-yl)-1-phenyl-1H-pyrazole-4,5-dicarboxylate

There total 2 articles about dimethyl 3-(2-oxo-2H-chromen-3-yl)-1-phenyl-1H-pyrazole-4,5-dicarboxylate 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: 80.0%

: 103593-74-4,1273551-93-1
3-{1-[(E)-2-phenylhydrazono]ethyl}-2H-chromen-2-one

: 762-42-5
dimethyl acetylenedicarboxylate

: 1448308-40-4
dimethyl 3-(2-oxo-2H-chromen-3-yl)-1-phenyl-1H-pyrazole-4,5-dicarboxylate

: 2764-19-4
3-methyl-1-phenyl-1H,4H-chromeno[4,3-c]pyrazol-4-(1H)one

Guidance literature:: at 130 ℃; for 10h;
DOI:10.1016/j.ejmech.2013.03.042

Reference yield:

: 90-02-8
salicylaldehyde

: 1448308-40-4
dimethyl 3-(2-oxo-2H-chromen-3-yl)-1-phenyl-1H-pyrazole-4,5-dicarboxylate

: 2764-19-4
3-methyl-1-phenyl-1H,4H-chromeno[4,3-c]pyrazol-4-(1H)one

Guidance literature:: Multi-step reaction with 3 steps

1: piperidine / dichloromethane; acetonitrile / 4 h / 20 °C

2: acetic acid / water; methanol / 0.5 h / 60 °C

3: 10 h / 130 °C

With piperidine; acetic acid; In methanol; dichloromethane; water; acetonitrile;
DOI:10.1016/j.ejmech.2013.03.042