4,5-dihydro-3,5-bis(4-methoxyphenyl)-N-phenyl-1H-pyrazole-1-carboxamide

Base Information

• Chemical Name: 4,5-dihydro-3,5-bis(4-methoxyphenyl)-N-phenyl-1H-pyrazole-1-carboxamide
• CAS No.: 75745-58-3
• Molecular Formula: C₂₃H₂₀ClN₃O₂
• Molecular Weight: 405.884
• Mol file: 75745-58-3.mol

Synonyms:4,5-dihydro-3,5-bis(4-methoxyphenyl)-N-phenyl-1H-pyrazole-1-carboxamide

Chemical Property of 4,5-dihydro-3,5-bis(4-methoxyphenyl)-N-phenyl-1H-pyrazole-1-carboxamide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4,5-dihydro-3,5-bis(4-methoxyphenyl)-N-phenyl-1H-pyrazole-1-carboxamide

There total 3 articles about 4,5-dihydro-3,5-bis(4-methoxyphenyl)-N-phenyl-1H-pyrazole-1-carboxamide 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: 86.0%

5-(4-chlorophenyl)-3-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazole (75745-48-1) + phenyl isocyanate (103-71-9) → 4,5-dihydro-3,5-bis(4-methoxyphenyl)-N-phenyl-1H-pyrazole-1-carboxamide (75745-58-3)

Guidance literature:

triethylamine; In diethyl ether; for 4h; Ambient temperature;

Reference yield:

4-chloro-4'-methoxy-chalcone (6552-68-7) → 4,5-dihydro-3,5-bis(4-methoxyphenyl)-N-phenyl-1H-pyrazole-1-carboxamide (75745-58-3)

Guidance literature:

Multi-step reaction with 2 steps

1: hydrazine hydrate / ethanol / 2 h / Reflux

2: chloroform / Reflux

With hydrazine hydrate; In ethanol; chloroform;

DOI:10.1002/cbdv.201400143

Reference yield:

4-chlorobenzaldehyde (104-88-1) → 4,5-dihydro-3,5-bis(4-methoxyphenyl)-N-phenyl-1H-pyrazole-1-carboxamide (75745-58-3)

Guidance literature:

Multi-step reaction with 3 steps

1: potassium hydroxide / ethanol; water / 4 h / 20 °C / Cooling

2: hydrazine hydrate / ethanol / 2 h / Reflux

3: chloroform / Reflux

With hydrazine hydrate; potassium hydroxide; In ethanol; chloroform; water; 1: |Claisen-Schmidt Condensation;

DOI:10.1002/cbdv.201400143

upstream raw materials:

5-(4-chlorophenyl)-3-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazole

phenyl isocyanate

4-chlorobenzaldehyde

4-chloro-4'-methoxy-chalcone