5-(3-fluoro-4-methoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

Base Information

Chemical Name:5-(3-fluoro-4-methoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one
CAS No.:1010800-93-7
Molecular Formula:C₁₂H₁₃FN₂O₂
Molecular Weight:236.246
Hs Code.:

Synonyms:5-(3-fluoro-4-methoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

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Chemical Property of 5-(3-fluoro-4-methoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

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Technology Process of 5-(3-fluoro-4-methoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

There total 5 articles about 5-(3-fluoro-4-methoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-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:

: 1010800-92-6
methyl 3-(3-fluoro-4-methoxyphenyl)-2,2-dimethyl-3-oxopropanoate

: 1010800-93-7
5-(3-fluoro-4-methoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

Guidance literature:: With hydrazine hydrate; In ethanol; for 8h; Reflux;

Reference yield:

: 1649-96-3
1-(3-fluoro-4-methoxyphenyl)propan-1-ol

: 1010800-93-7
5-(3-fluoro-4-methoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

Guidance literature:: Multi-step reaction with 4 steps

1.1: phosgene; dimethyl sulfoxide / dichloromethane / 0.5 h / -78 °C

1.2: 2 h / -78 - 20 °C

2.1: sodium hydride / mineral oil / 1.5 h / Reflux

3.1: sodium hydride / mineral oil; N,N-dimethyl-formamide / 0.5 h / 0 - 20 °C / Inert atmosphere

3.2: 7 h / 0 - 20 °C / Inert atmosphere

4.1: hydrazine hydrate / ethanol / 6 h / Reflux

With phosgene; sodium hydride; hydrazine hydrate; dimethyl sulfoxide; In ethanol; dichloromethane; N,N-dimethyl-formamide; mineral oil;
DOI:10.1016/j.bmcl.2012.08.121

Reference yield:

: 1010800-91-5
methyl 3-(3-fluoro-4-methoxyphenyl)-2-methyl-3-oxopropanoate

: 1010800-93-7
5-(3-fluoro-4-methoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydride / mineral oil; N,N-dimethyl-formamide / 0.5 h / 0 - 20 °C / Inert atmosphere

1.2: 7 h / 0 - 20 °C / Inert atmosphere

2.1: hydrazine hydrate / ethanol / 6 h / Reflux

With sodium hydride; hydrazine hydrate; In ethanol; N,N-dimethyl-formamide; mineral oil;
DOI:10.1016/j.bmcl.2012.08.121