2-[4-bromo-1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-5-phenyl-1,3,4-oxadiazole

Base Information

• Chemical Name: 2-[4-bromo-1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-5-phenyl-1,3,4-oxadiazole
• CAS No.: 1620992-08-6
• Molecular Formula: C₂₂H₁₄BrN₅O
• Molecular Weight: 444.29
• Mol file: 1620992-08-6.mol

Synonyms:2-[4-bromo-1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-5-phenyl-1,3,4-oxadiazole

Chemical Property of 2-[4-bromo-1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-5-phenyl-1,3,4-oxadiazole

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-[4-bromo-1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-5-phenyl-1,3,4-oxadiazole

There total 5 articles about 2-[4-bromo-1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-5-phenyl-1,3,4-oxadiazole 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: 90.17%

N'-benzylidene-1-phenyl-5-(pyridin-4-yl)-1H-pyrazole-3-carbohydrazide (1620992-56-4) → 2-[4-bromo-1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-5-phenyl-1,3,4-oxadiazole (1620992-08-6)

Guidance literature:

With bromine; sodium carbonate; In dichloromethane; at 20 ℃;

DOI:10.2174/15734064113096660044

Reference yield:

1-phenyl-5-(pyridin-4-yl)-1H-pyrazole-3-carbohydrazide (1620993-50-1) → 2-[4-bromo-1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-5-phenyl-1,3,4-oxadiazole (1620992-08-6)

Guidance literature:

Multi-step reaction with 2 steps

1: acetic acid / ethanol / Reflux

2: sodium carbonate; bromine / dichloromethane / 20 °C

With bromine; sodium carbonate; acetic acid; In ethanol; dichloromethane;

DOI:10.2174/15734064113096660044

Reference yield:

methyl 1-phenyl-5-(pyridin-4-yl)-1H-pyrazole-3-carboxylate (1154391-33-9) → 2-[4-bromo-1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-5-phenyl-1,3,4-oxadiazole (1620992-08-6)

Guidance literature:

Multi-step reaction with 3 steps

1: hydrazine hydrate / methanol / Reflux

2: acetic acid / ethanol / Reflux

3: sodium carbonate; bromine / dichloromethane / 20 °C

With bromine; sodium carbonate; hydrazine hydrate; acetic acid; In methanol; ethanol; dichloromethane;

DOI:10.2174/15734064113096660044

upstream raw materials:

1-phenyl-5-(pyridin-4-yl)-1H-pyrazole-3-carbohydrazide

N'-benzylidene-1-phenyl-5-(pyridin-4-yl)-1H-pyrazole-3-carbohydrazide

methyl 2,4-dioxo-4-(pyridin-4-yl)butanoate

methyl (4-pyridyl) ketone