1-(3-(4-chlorophenyl)-5-(3,5-dibromo-2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone

Base Information

Chemical Name:1-(3-(4-chlorophenyl)-5-(3,5-dibromo-2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone
CAS No.:1398523-34-6
Molecular Formula:C₁₇H₁₃Br₂ClN₂O₂
Molecular Weight:472.563
Hs Code.:

Synonyms:1-(3-(4-chlorophenyl)-5-(3,5-dibromo-2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone

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Chemical Property of 1-(3-(4-chlorophenyl)-5-(3,5-dibromo-2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone

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Technology Process of 1-(3-(4-chlorophenyl)-5-(3,5-dibromo-2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone

There total 4 articles about 1-(3-(4-chlorophenyl)-5-(3,5-dibromo-2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone 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: 78.0%

: 1398523-45-9
C₁₅H₁₁Br₂ClN₂O

: 64-19-7,77671-22-8
acetic acid

: 1398523-34-6
1-(3-(4-chlorophenyl)-5-(3,5-dibromo-2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone

Guidance literature:: With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dichloromethane; for 8h; Reflux;
DOI:10.1016/j.bmc.2012.08.020

Reference yield:

: 99-91-2
para-chloroacetophenone

: 1398523-34-6
1-(3-(4-chlorophenyl)-5-(3,5-dibromo-2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone

Guidance literature:: Multi-step reaction with 3 steps

1: sodium hydroxide / ethanol; water / 0 - 20 °C

2: hydrazine hydrate / 8 h / 80 °C

3: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 8 h / Reflux

With benzotriazol-1-ol; hydrazine hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; sodium hydroxide; In ethanol; dichloromethane; water;
DOI:10.1016/j.bmc.2012.08.020

Reference yield:

: 110829-98-6
C₁₅H₉Br₂ClO₂

: 1398523-34-6
1-(3-(4-chlorophenyl)-5-(3,5-dibromo-2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone

Guidance literature:: Multi-step reaction with 2 steps

1: hydrazine hydrate / 8 h / 80 °C

2: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 8 h / Reflux

With benzotriazol-1-ol; hydrazine hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dichloromethane;
DOI:10.1016/j.bmc.2012.08.020