methyl 5-oxo-1-phenyl-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazole-2-carboxylate

Base Information

Chemical Name:methyl 5-oxo-1-phenyl-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazole-2-carboxylate
CAS No.:1260540-60-0
Molecular Formula:C₁₄H₁₄N₂O₃
Molecular Weight:258.277
Hs Code.:

Synonyms:methyl 5-oxo-1-phenyl-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazole-2-carboxylate

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Chemical Property of methyl 5-oxo-1-phenyl-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazole-2-carboxylate

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Technology Process of methyl 5-oxo-1-phenyl-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazole-2-carboxylate

There total 2 articles about methyl 5-oxo-1-phenyl-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazole-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:

: 922-67-8
propynoic acid methyl ester

: 17822-51-4
1-benzylidene-3-oxo-1-pyrazolidinium-2-ide

: 1260540-60-0
methyl 5-oxo-1-phenyl-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazole-2-carboxylate

Guidance literature:: With [Cu(μ-OH)(tmen)]2Cl2; In chloroform-d1; at 60 ℃; for 1h; under 760.051 Torr; regioselective reaction; Inert atmosphere;
DOI:10.1246/cl.2010.1086

Reference yield:

: 100-52-7
benzaldehyde

: 1260540-60-0
methyl 5-oxo-1-phenyl-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazole-2-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: trifluoroacetic acid / methanol / 25 °C

2: copper / dichloromethane / 24 h / 25 °C

With copper; trifluoroacetic acid; In methanol; dichloromethane;
DOI:10.1021/acs.orglett.1c01376

Reference yield: 92.0%

: 67-56-1
methanol

: 1260540-60-0
methyl 5-oxo-1-phenyl-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazole-2-carboxylate

: methyl 1-(3-methoxy-3-oxopropyl)-5-phenyl-1H-pyrazole-4-carboxylate

Guidance literature:: With Diethyl 2-bromomalonate; In dichloromethane; at 25 ℃; for 18h; chemoselective reaction; Irradiation; Sealed tube; Inert atmosphere;
DOI:10.1021/acs.orglett.1c01376