5-(3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butyl)-2-(trifluoromethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one

Base Information

• Chemical Name: 5-(3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butyl)-2-(trifluoromethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one
• CAS No.: 1374864-36-4
• Molecular Formula: C₁₉H₁₉F₆N₃O₃S
• Molecular Weight: 483.435
• Mol file: 1374864-36-4.mol

Synonyms:5-(3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butyl)-2-(trifluoromethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one

Chemical Property of 5-(3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butyl)-2-(trifluoromethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-(3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butyl)-2-(trifluoromethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one

There total 10 articles about 5-(3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butyl)-2-(trifluoromethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one 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:

methyl 1-(2-bromoethyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxylate (1276662-70-4) + 3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butan-1-amine (1276663-01-4) → 5-(3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butyl)-2-(trifluoromethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one (1374864-36-4)

Guidance literature:

With N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide; at 200 ℃; for 0.75h; microwave irradiation; sealed tube;

Reference yield:

3-Methylbutenoic acid (541-47-9) → 5-(3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butyl)-2-(trifluoromethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one (1374864-36-4)

Guidance literature:

Multi-step reaction with 8 steps

1.1: iodine / 3 h / 105 °C / Inert atmosphere

2.1: Oxone / water; methanol / 16 h / 20 °C

3.1: acetyl chloride / 2 h / 0 °C / Reflux

4.1: lithium aluminium tetrahydride / tetrahydrofuran / 0.5 h / 0 - 20 °C / Inert atmosphere

4.2: Inert atmosphere

5.1: triethylamine / tetrahydrofuran / 0.5 h / 0 - 20 °C / Inert atmosphere

6.1: triethylamine; sodium azide / acetonitrile / 16 h / Reflux

7.1: hydrogen / palladium(II) hydroxide / ethanol / 1 h / 2585.81 Torr

8.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.75 h / 200 °C / microwave irradiation; sealed tube

With Oxone; lithium aluminium tetrahydride; sodium azide; hydrogen; iodine; triethylamine; N-ethyl-N,N-diisopropylamine; acetyl chloride; palladium(II) hydroxide; In tetrahydrofuran; methanol; ethanol; water; N,N-dimethyl-formamide; acetonitrile;

Reference yield:

3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butyl methanesulfonate (1276662-90-8) → 5-(3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butyl)-2-(trifluoromethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one (1374864-36-4)

Guidance literature:

Multi-step reaction with 3 steps

1: triethylamine; sodium azide / acetonitrile / 16 h / Reflux

2: hydrogen / palladium(II) hydroxide / ethanol / 1 h / 2585.81 Torr

3: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.75 h / 200 °C / microwave irradiation; sealed tube

With sodium azide; hydrogen; triethylamine; N-ethyl-N,N-diisopropylamine; palladium(II) hydroxide; In ethanol; N,N-dimethyl-formamide; acetonitrile;

upstream raw materials:

3-Methylbutenoic acid

3-trifluoromethyl-thiophenol

3-methyl-3-((3-(trifluoromethyl)phenyl)sulfonyl)butyl methanesulfonate

1-((4-azido-2-methylbutan-2-yl)sulfonyl)-3-(trifluoromethyl)benzene