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

Base Information

• Chemical Name: 5-[1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-1,3,4-oxadiazole-2-thiol
• CAS No.: 1620993-20-5
• Molecular Formula: C₁₆H₁₁N₅OS
• Molecular Weight: 321.362
• Mol file: 1620993-20-5.mol

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

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

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

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

There total 4 articles about 5-[1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-1,3,4-oxadiazole-2-thiol 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: 94.5%

carbon disulfide (75-15-0,12122-00-8) + 1-phenyl-5-(pyridin-4-yl)-1H-pyrazole-3-carbohydrazide (1620993-50-1) → 5-[1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-1,3,4-oxadiazole-2-thiol (1620993-20-5)

Guidance literature:

With potassium hydroxide; In ethanol; Reflux;

DOI:10.2174/15734064113096660044

Reference yield:

methyl 1-phenyl-5-(pyridin-4-yl)-1H-pyrazole-3-carboxylate (1154391-33-9) → 5-[1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-1,3,4-oxadiazole-2-thiol (1620993-20-5)

Guidance literature:

Multi-step reaction with 2 steps

1: hydrazine hydrate / methanol / Reflux

2: potassium hydroxide / ethanol / Reflux

With hydrazine hydrate; potassium hydroxide; In methanol; ethanol;

DOI:10.2174/15734064113096660044

Reference yield:

methyl 2,4-dioxo-4-(pyridin-4-yl)butanoate (374063-91-9) → 5-[1-phenyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl]-1,3,4-oxadiazole-2-thiol (1620993-20-5)

Guidance literature:

Multi-step reaction with 3 steps

1: methanol / 5 h / Reflux

2: hydrazine hydrate / methanol / Reflux

3: potassium hydroxide / ethanol / Reflux

With hydrazine hydrate; potassium hydroxide; In methanol; ethanol;

DOI:10.2174/15734064113096660044

upstream raw materials:

carbon disulfide

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

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

methyl (4-pyridyl) ketone