(E)-methyl 4-{3-[4-(4-bromophenyl)-2-oxo-1,2-dihydroquinolin-3-yl]-5-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl}-4-oxobut-2-enoate

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Chemical Name:(E)-methyl 4-{3-[4-(4-bromophenyl)-2-oxo-1,2-dihydroquinolin-3-yl]-5-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl}-4-oxobut-2-enoate
CAS No.:1449374-33-7
Molecular Formula:C₂₉H₂₁BrClN₃O₄
Molecular Weight:590.86
Hs Code.:

Synonyms:(E)-methyl 4-{3-[4-(4-bromophenyl)-2-oxo-1,2-dihydroquinolin-3-yl]-5-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl}-4-oxobut-2-enoate

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Chemical Property of (E)-methyl 4-{3-[4-(4-bromophenyl)-2-oxo-1,2-dihydroquinolin-3-yl]-5-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl}-4-oxobut-2-enoate

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Technology Process of (E)-methyl 4-{3-[4-(4-bromophenyl)-2-oxo-1,2-dihydroquinolin-3-yl]-5-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl}-4-oxobut-2-enoate

There total 4 articles about (E)-methyl 4-{3-[4-(4-bromophenyl)-2-oxo-1,2-dihydroquinolin-3-yl]-5-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl}-4-oxobut-2-enoate 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: 59.0%

: 17081-97-9
methyl (E)-4-chloro-4-oxo-2-butenoate

: 1449373-54-9
4-(4-bromophenyl)-3-[5-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-3-yl]quinolin-2(1H)-one

: 1449374-33-7
(E)-methyl 4-{3-[4-(4-bromophenyl)-2-oxo-1,2-dihydroquinolin-3-yl]-5-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl}-4-oxobut-2-enoate

Guidance literature:: In tetrahydrofuran; at 165 ℃; for 0.333333h; Microwave irradiation; Molecular sieve;
DOI:10.1021/jm400652r

Reference yield:

: 1140-17-6
2-amino-4'-bromobenzophenone

: 1449374-33-7
(E)-methyl 4-{3-[4-(4-bromophenyl)-2-oxo-1,2-dihydroquinolin-3-yl]-5-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl}-4-oxobut-2-enoate

Guidance literature:: Multi-step reaction with 4 steps

1.1: N,N-dimethyl-formamide / 1.25 h / 140 °C / Microwave irradiation; Molecular sieve

2.1: potassium hydroxide / water; ethanol / 0.75 h / 0 °C

2.2: 0 - 20 °C

3.1: hydrazine / ethanol / 0.33 h / 110 °C / Microwave irradiation

4.1: tetrahydrofuran / 0.33 h / 165 °C / Microwave irradiation; Molecular sieve

With potassium hydroxide; hydrazine; In tetrahydrofuran; ethanol; water; N,N-dimethyl-formamide;
DOI:10.1021/jm400652r

Reference yield:

: 1449372-77-3
3-acetyl-4-(4-bromophenyl)quinolin-2(1H)-one

: 1449374-33-7
(E)-methyl 4-{3-[4-(4-bromophenyl)-2-oxo-1,2-dihydroquinolin-3-yl]-5-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl}-4-oxobut-2-enoate

Guidance literature:: Multi-step reaction with 3 steps

1.1: potassium hydroxide / water; ethanol / 0.75 h / 0 °C

1.2: 0 - 20 °C

2.1: hydrazine / ethanol / 0.33 h / 110 °C / Microwave irradiation

3.1: tetrahydrofuran / 0.33 h / 165 °C / Microwave irradiation; Molecular sieve

With potassium hydroxide; hydrazine; In tetrahydrofuran; ethanol; water;
DOI:10.1021/jm400652r