tert-butyl 5-phenyl-3-(trifluoromethyl)-1H-pyrazole-1-carboxylate

Base Information

• Chemical Name: tert-butyl 5-phenyl-3-(trifluoromethyl)-1H-pyrazole-1-carboxylate
• CAS No.: 1591623-52-7
• Molecular Formula: C₁₅H₁₅F₃N₂O₂
• Molecular Weight: 312.292
• Mol file: 1591623-52-7.mol

Synonyms:tert-butyl 5-phenyl-3-(trifluoromethyl)-1H-pyrazole-1-carboxylate

Chemical Property of tert-butyl 5-phenyl-3-(trifluoromethyl)-1H-pyrazole-1-carboxylate

Chemical Property:

Purity/Quality:

Safty Information:

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Technology Process of tert-butyl 5-phenyl-3-(trifluoromethyl)-1H-pyrazole-1-carboxylate

There total 2 articles about tert-butyl 5-phenyl-3-(trifluoromethyl)-1H-pyrazole-1-carboxylate 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: 98.0%

t-butoxycarbonylhydrazine (870-46-2) + 1,1,1-trifluoro-4-phenylbut-3-yn-2-one (58518-08-4) → tert-butyl 5-phenyl-3-(trifluoromethyl)-1H-pyrazole-1-carboxylate (1591623-52-7)

Guidance literature:

With silver trifluoromethanesulfonate; In chloroform; at 20 ℃; for 1h; regioselective reaction; Sealed tube;

DOI:10.1002/ejoc.201800208

Reference yield: 30.0%

Togni's reagent II (887144-94-7) + C14H16N2O2 (1591623-46-9) → tert-butyl 5-phenyl-3-(trifluoromethyl)-1H-pyrazole-1-carboxylate (1591623-52-7)

Guidance literature:

With caesium carbonate; In water; acetonitrile; at 25 ℃; for 24h; Inert atmosphere; Schlenk technique; Sealed tube;

DOI:10.1039/c4cc01280a

upstream raw materials:

Togni's reagent II

C₁₄H₁₆N₂O₂

t-butoxycarbonylhydrazine

1,1,1-trifluoro-4-phenylbut-3-yn-2-one