3-(benzofuran-2-yl)-N-(4-bromophenyl)-5-(4-hydroxy-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carboxamide

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Chemical Name:3-(benzofuran-2-yl)-N-(4-bromophenyl)-5-(4-hydroxy-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carboxamide
CAS No.:1388834-40-9
Molecular Formula:C₂₅H₂₀BrN₃O₄
Molecular Weight:506.355
Hs Code.:

Synonyms:3-(benzofuran-2-yl)-N-(4-bromophenyl)-5-(4-hydroxy-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carboxamide

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Chemical Property of 3-(benzofuran-2-yl)-N-(4-bromophenyl)-5-(4-hydroxy-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carboxamide

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Technology Process of 3-(benzofuran-2-yl)-N-(4-bromophenyl)-5-(4-hydroxy-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carboxamide

There total 5 articles about 3-(benzofuran-2-yl)-N-(4-bromophenyl)-5-(4-hydroxy-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carboxamide 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: 64.7%

: 1388834-33-0
3-(benzofuran-2-yl)-5-(4-hydroxy-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carbonyl chloride

: 106-40-1
4-bromo-aniline

: 1388834-40-9
3-(benzofuran-2-yl)-N-(4-bromophenyl)-5-(4-hydroxy-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carboxamide

Guidance literature:: With potassium carbonate; In dichloromethane; Inert atmosphere; Reflux;
DOI:10.1016/j.bmcl.2012.05.061

Reference yield:

: 1646-26-0
1-(benzo[b]furan-2-yl)ethanone

: 1388834-40-9
3-(benzofuran-2-yl)-N-(4-bromophenyl)-5-(4-hydroxy-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carboxamide

Guidance literature:: Multi-step reaction with 4 steps

1: ClZr₄ / dichloromethane / 1 h / 20 °C / 760.05 Torr

2: hydrazine hydrate / ethanol / 3 h / Reflux

3: triethylamine / tetrahydrofuran / 4 h / 20 °C

4: potassium carbonate / dichloromethane / Inert atmosphere; Reflux

With ClZr₄; potassium carbonate; hydrazine hydrate; triethylamine; In tetrahydrofuran; ethanol; dichloromethane; 1: Aldol condensation / 2: Claisen Schmidt condensation;
DOI:10.1016/j.bmcl.2012.05.061

Reference yield:

: 1356936-60-1
4-(3-(benzofuran-2-yl)-4,5-dihydro-1H-pyrazol-5-yl)-2-methoxyphenol

: 1388834-40-9
3-(benzofuran-2-yl)-N-(4-bromophenyl)-5-(4-hydroxy-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carboxamide

Guidance literature:: Multi-step reaction with 2 steps

1: triethylamine / tetrahydrofuran / 4 h / 20 °C

2: potassium carbonate / dichloromethane / Inert atmosphere; Reflux

With potassium carbonate; triethylamine; In tetrahydrofuran; dichloromethane;
DOI:10.1016/j.bmcl.2012.05.061