5-ethoxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

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Chemical Name:5-ethoxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one
CAS No.:1238695-62-9
Molecular Formula:C₂₂H₁₇F₃N₄O₂
Molecular Weight:426.398
Hs Code.:

Synonyms:5-ethoxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

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Chemical Property of 5-ethoxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

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Technology Process of 5-ethoxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

There total 8 articles about 5-ethoxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one 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%

: 1238695-60-7
5-hydroxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

: 75-03-6
ethyl iodide

: 1238695-62-9
5-ethoxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

Guidance literature:: With potassium carbonate; In N,N-dimethyl-formamide; at 10 - 35 ℃; for 24h;

Reference yield:

: 98-16-8
3-trifluoromethylaniline

: 1238695-62-9
5-ethoxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

Guidance literature:: Multi-step reaction with 8 steps

1.1: sodium nitrite; hydrogenchloride / water / 0.25 h / 0 °C

1.2: 0 °C

2.1: 4 h / Reflux

3.1: N-ethyl-N,N-diisopropylamine; trimethylaluminum / toluene; dichloromethane / 1 h / 0 °C / Inert atmosphere

3.2: 1 h / 0 °C / Inert atmosphere

4.1: tetrahydrofuran; diethyl ether / 1 h / -78 °C

5.1: 3 h / Reflux

6.1: acetic acid / 2 h / Reflux

7.1: chloro-trimethyl-silane; sodium iodide / acetonitrile / 1.5 h / Reflux

8.1: potassium carbonate / N,N-dimethyl-formamide / 24 h / 20 °C

With hydrogenchloride; chloro-trimethyl-silane; trimethylaluminum; potassium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; sodium iodide; sodium nitrite; In tetrahydrofuran; diethyl ether; dichloromethane; water; N,N-dimethyl-formamide; toluene; acetonitrile; 4.1: |Grignard Reaction;
DOI:10.1021/jm5013648

Reference yield:

: 1238701-64-8
N,5-dimethoxy-N-methyl-4-oxo-1-[3-(trifluoromethyl)phenyl]-1,4-dihydropyridazine-3-carboxamide

: 1238695-62-9
5-ethoxy-3-(1-phenyl-1H-pyrazol-5-yl)-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

Guidance literature:: Multi-step reaction with 5 steps

1: tetrahydrofuran; diethyl ether / 1 h / -78 °C

2: 3 h / Reflux

3: acetic acid / 2 h / Reflux

4: chloro-trimethyl-silane; sodium iodide / acetonitrile / 1.5 h / Reflux

5: potassium carbonate / N,N-dimethyl-formamide / 24 h / 20 °C

With chloro-trimethyl-silane; potassium carbonate; acetic acid; sodium iodide; In tetrahydrofuran; diethyl ether; N,N-dimethyl-formamide; acetonitrile; 1: |Grignard Reaction;
DOI:10.1021/jm5013648