3-[4-(2-dimethylaminoethoxy)phenyl]-2-(4-methoxyphenyl)-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine

Base Information

Chemical Name:3-[4-(2-dimethylaminoethoxy)phenyl]-2-(4-methoxyphenyl)-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine
CAS No.:924907-85-7
Molecular Formula:C₂₅H₂₂F₆N₄O₂
Molecular Weight:524.466
Hs Code.:

Synonyms:3-[4-(2-dimethylaminoethoxy)phenyl]-2-(4-methoxyphenyl)-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine

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Chemical Property of 3-[4-(2-dimethylaminoethoxy)phenyl]-2-(4-methoxyphenyl)-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine

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Technology Process of 3-[4-(2-dimethylaminoethoxy)phenyl]-2-(4-methoxyphenyl)-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine

There total 7 articles about 3-[4-(2-dimethylaminoethoxy)phenyl]-2-(4-methoxyphenyl)-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine 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: 72.0%

: 3-(4-hydroxyphenyl)-2-(4-methoxyphenyl)-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine

: 108-01-0
2-(N,N-dimethylamino)ethanol

: 924907-85-7
3-[4-(2-dimethylaminoethoxy)phenyl]-2-(4-methoxyphenyl)-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine

Guidance literature:: With di-isopropyl azodicarboxylate; triphenylphosphine; In tetrahydrofuran; at 20 ℃; for 48h;
DOI:10.1021/jm061035y

Reference yield:

: 924907-76-6
2-(4-isopropoxy-phenyl)-3-(4-methoxy-phenyl)-3-oxo-propionitrile

: 924907-85-7
3-[4-(2-dimethylaminoethoxy)phenyl]-2-(4-methoxyphenyl)-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine

Guidance literature:: Multi-step reaction with 4 steps

1: 81 percent / hydrazine dihydrochloride / aq. ethanol / Heating

2: 78 percent / AcOH / Heating

3: 81 percent / AlCl₃ / CH₂Cl₂ / 12 h / 20 °C

4: 72 percent / triphenylphosphine; diisopropyl diazodicarboxylate / tetrahydrofuran / 48 h / 20 °C

With aluminium trichloride; hydrazine dihydrochloride; di-isopropyl azodicarboxylate; acetic acid; triphenylphosphine; In tetrahydrofuran; ethanol; dichloromethane; 4: Mitsunobu reaction;
DOI:10.1021/jm061035y

Reference yield:

: 4-(4-isopropoxy-phenyl)-5-(4-methoxy-phenyl)-2,3-dihydro-1H-pyrazol-3-ylamine

: 924907-85-7
3-[4-(2-dimethylaminoethoxy)phenyl]-2-(4-methoxyphenyl)-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine

Guidance literature:: Multi-step reaction with 3 steps

1: 78 percent / AcOH / Heating

2: 81 percent / AlCl₃ / CH₂Cl₂ / 12 h / 20 °C

3: 72 percent / triphenylphosphine; diisopropyl diazodicarboxylate / tetrahydrofuran / 48 h / 20 °C

With aluminium trichloride; di-isopropyl azodicarboxylate; acetic acid; triphenylphosphine; In tetrahydrofuran; dichloromethane; 3: Mitsunobu reaction;
DOI:10.1021/jm061035y