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

Base Information

• Chemical Name: 3-[1-(4-bromo-phenyl)-cyclobutyl]-5-(1-ethyl-5-methyl-1H-pyrazol-4-yl)-1,2,4-oxadiazole
• CAS No.: 1361189-54-9
• Molecular Formula: C₁₈H₁₉BrN₄O
• Molecular Weight: 387.279
• Mol file: 1361189-54-9.mol

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

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

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

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

There total 3 articles about 3-[1-(4-bromo-phenyl)-cyclobutyl]-5-(1-ethyl-5-methyl-1H-pyrazol-4-yl)-1,2,4-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:

1-ethyl-5-methyl-1H-pyrazole-4-carboxylic acid (887408-72-2) + 1-(4-bromophenyl)-N-hydroxycyclobutanecarboxamidine (1361189-45-8) → 3-[1-(4-bromo-phenyl)-cyclobutyl]-5-(1-ethyl-5-methyl-1H-pyrazol-4-yl)-1,2,4-oxadiazole (1361189-54-9)

Guidance literature:

1-ethyl-5-methyl-1H-pyrazole-4-carboxylic acid; With pyridine; thionyl chloride; for 0.5h;

1-(4-bromophenyl)-N-hydroxycyclobutanecarboxamidine; at 20 - 110 ℃;

Reference yield:

4-Bromophenylacetonitrile (16532-79-9) → 3-[1-(4-bromo-phenyl)-cyclobutyl]-5-(1-ethyl-5-methyl-1H-pyrazol-4-yl)-1,2,4-oxadiazole (1361189-54-9)

Guidance literature:

Multi-step reaction with 3 steps

1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.5 h / 0 °C

1.2: 2 h / 0 °C

2.1: hydroxylamine / ethanol; water / 80 °C

3.1: thionyl chloride; pyridine / 0.5 h

3.2: 20 - 110 °C

With pyridine; thionyl chloride; hydroxylamine; sodium hydride; In ethanol; water; N,N-dimethyl-formamide; mineral oil;

Reference yield:

1-(4- bromophenyl)cyclobutane-1-carbonitrile (485828-58-8) → 3-[1-(4-bromo-phenyl)-cyclobutyl]-5-(1-ethyl-5-methyl-1H-pyrazol-4-yl)-1,2,4-oxadiazole (1361189-54-9)

Guidance literature:

Multi-step reaction with 2 steps

1.1: hydroxylamine / ethanol; water / 80 °C

2.1: thionyl chloride; pyridine / 0.5 h

2.2: 20 - 110 °C

With pyridine; thionyl chloride; hydroxylamine; In ethanol; water;

upstream raw materials:

4-Bromophenylacetonitrile

1-ethyl-5-methyl-1H-pyrazole-4-carboxylic acid

1-(4-bromophenyl)-N-hydroxycyclobutanecarboxamidine

1-(4- bromophenyl)cyclobutane-1-carbonitrile

Downstream raw materials:

5-(4-{1-[5-(1-ethyl-5-methyl-1H-pyrazol-4-yl)-1,2,4-oxadiazol-3-yl]cyclobutyl}-phenyl)-pyrimidin-2-ylamine