7-(hydroxyamino)-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine

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Chemical Name:7-(hydroxyamino)-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine
CAS No.:1420468-89-8
Molecular Formula:C₂₁H₂₃F₃N₄O₂
Molecular Weight:420.434
Hs Code.:

Synonyms:7-(hydroxyamino)-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine

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Chemical Property of 7-(hydroxyamino)-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine

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Technology Process of 7-(hydroxyamino)-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine

There total 5 articles about 7-(hydroxyamino)-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-5-(tetrahydro-2H-pyran-4-yl)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: 14.0%

: 1420468-87-6
7-chloro-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine

: 1420468-89-8
7-(hydroxyamino)-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine

Guidance literature:: With hydroxylamine hydrochloride; triethylamine; In methanol; at 20 - 145 ℃; for 0.75h; Inert atmosphere; Microwave irradiation;
DOI:10.1021/ml300330m

Reference yield:

: 1420468-50-3
2-methyl-3-(2-methyl-3-(trifluoromethyl)benzyl)-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidin-7-ol

: 1420468-89-8
7-(hydroxyamino)-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine

Guidance literature:: Multi-step reaction with 2 steps

1: N,N-diethylaniline; trichlorophosphate / 2 h / 0 - 80 °C / Inert atmosphere

2: triethylamine; hydroxylamine hydrochloride / methanol / 0.75 h / 20 - 145 °C / Inert atmosphere; Microwave irradiation

With hydroxylamine hydrochloride; triethylamine; N,N-diethylaniline; trichlorophosphate; In methanol;
DOI:10.1021/ml300330m

Reference yield:

: 261952-16-3
1-(bromomethyl)-2-methyl-3-(trifluoromethyl)benzene

: 1420468-89-8
7-(hydroxyamino)-2-methyl-3-{[2-methyl-3-(trifluoromethyl)phenyl]methyl}-5-(tetrahydro-2H-pyran-4-yl)pyrazolo[1,5-a]pyrimidine

Guidance literature:: Multi-step reaction with 5 steps

1: N,N-dimethyl-formamide / 2.5 h / 0 - 40 °C / Inert atmosphere

2: hydrazine hydrate / ethanol / 20 - 100 °C / Inert atmosphere

3: acetic acid / 0.67 h / 140 °C / Microwave irradiation

4: N,N-diethylaniline; trichlorophosphate / 2 h / 0 - 80 °C / Inert atmosphere

5: triethylamine; hydroxylamine hydrochloride / methanol / 0.75 h / 20 - 145 °C / Inert atmosphere; Microwave irradiation

With hydroxylamine hydrochloride; hydrazine hydrate; acetic acid; triethylamine; N,N-diethylaniline; trichlorophosphate; In methanol; ethanol; N,N-dimethyl-formamide;
DOI:10.1021/ml300330m