1-acetyl-3-(4-bromophenyl)-5-[3-(2-hydroxyphenyl)pyrazol-4-yl]-2-pyrazoline

Base Information

• Chemical Name: 1-acetyl-3-(4-bromophenyl)-5-[3-(2-hydroxyphenyl)pyrazol-4-yl]-2-pyrazoline
• CAS No.: 830332-02-0
• Molecular Formula: C₂₀H₁₇BrN₄O₂
• Molecular Weight: 425.285

Synonyms:1-acetyl-3-(4-bromophenyl)-5-[3-(2-hydroxyphenyl)pyrazol-4-yl]-2-pyrazoline

Chemical Property of 1-acetyl-3-(4-bromophenyl)-5-[3-(2-hydroxyphenyl)pyrazol-4-yl]-2-pyrazoline

Chemical Property:

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Technology Process of 1-acetyl-3-(4-bromophenyl)-5-[3-(2-hydroxyphenyl)pyrazol-4-yl]-2-pyrazoline

There total 2 articles about 1-acetyl-3-(4-bromophenyl)-5-[3-(2-hydroxyphenyl)pyrazol-4-yl]-2-pyrazoline 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: 79.0%

1-acetyl-3-(4-bromophenyl)-5-(3-chromonyl)-2-pyrazoline → 1-acetyl-3-(4-bromophenyl)-5-[3-(2-hydroxyphenyl)pyrazol-4-yl]-2-pyrazoline (830332-02-0)

Guidance literature:

With hydrazine hydrate; In acetic acid; for 6h; Heating;

DOI:10.1002/ejoc.200400465

Reference yield: 70.0%

acetic acid (64-19-7,77671-22-8) + 3-(3-oxo-3-(4-bromo-phenyl)prop-1-enyl)-4H-chromen-4-one → 1-acetyl-3-(4-bromophenyl)-5-(3-chromonyl)-2-pyrazoline + 1-acetyl-3-(4-bromophenyl)-5-[3-(2-hydroxyphenyl)pyrazol-4-yl]-2-pyrazoline (830332-02-0)

Guidance literature:

With hydrazine hydrate; for 3h; Heating;

DOI:10.1002/ejoc.200400465

Reference yield: 54.0%

1-acetyl-3-(4-bromophenyl)-5-[3-(2-hydroxyphenyl)pyrazol-4-yl]-2-pyrazoline (830332-02-0) → 3(5)-(4-bromophenyl)-5(3)-[3-(2-hydroxyphenyl)pyrazol-4-yl]pyrazole

Guidance literature:

With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In 1,4-dioxane; for 10h; Heating;

DOI:10.1002/ejoc.200400465

upstream raw materials:

acetic acid

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