5-chloro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid [5-(2-trifluoromethyl-phenyl)-isoxazol-4-yl]-amide

Base Information

Chemical Name:5-chloro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid [5-(2-trifluoromethyl-phenyl)-isoxazol-4-yl]-amide
CAS No.:1224944-84-6
Molecular Formula:C₁₇H₉ClF₃N₅O₂
Molecular Weight:407.739
Hs Code.:

Synonyms:5-chloro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid [5-(2-trifluoromethyl-phenyl)-isoxazol-4-yl]-amide

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Chemical Property of 5-chloro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid [5-(2-trifluoromethyl-phenyl)-isoxazol-4-yl]-amide

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Technology Process of 5-chloro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid [5-(2-trifluoromethyl-phenyl)-isoxazol-4-yl]-amide

There total 12 articles about 5-chloro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid [5-(2-trifluoromethyl-phenyl)-isoxazol-4-yl]-amide 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:

: 1224944-47-1
5-chloropyrazolo[1,5-a]pyrimidine-3-carbonyl chloride

: C₁₀H₇F₃N₂O

: 1224944-84-6
5-chloro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid [5-(2-trifluoromethyl-phenyl)-isoxazol-4-yl]-amide

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In dichloromethane; at 20 ℃; for 18h; Inert atmosphere;

Reference yield:

: 29274-22-4
4H,5H-pyrazolo[1,5-a]pyrimidine-5-one

: 1224944-84-6
5-chloro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid [5-(2-trifluoromethyl-phenyl)-isoxazol-4-yl]-amide

Guidance literature:: Multi-step reaction with 5 steps

1.1: N-iodo-succinimide / N,N-dimethyl-formamide / Heating; Inert atmosphere

2.1: triethylamine / palladium diacetate / 5 h / 55 °C / Inert atmosphere

3.1: water; lithium hydroxide / 3 h / 20 °C / Inert atmosphere

3.2: Inert atmosphere

4.1: N-ethyl-N,N-diisopropylamine; trichlorophosphate / 2 h / Reflux; Inert atmosphere

5.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 18 h / 20 °C / Inert atmosphere

With N-iodo-succinimide; water; triethylamine; N-ethyl-N,N-diisopropylamine; lithium hydroxide; trichlorophosphate; palladium diacetate; In dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 1224944-44-8
3-iodopyrazolo[1,5-a]pyrimidin-5(4H)-one

: 1224944-84-6
5-chloro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid [5-(2-trifluoromethyl-phenyl)-isoxazol-4-yl]-amide

Guidance literature:: Multi-step reaction with 4 steps

1.1: triethylamine / palladium diacetate / 5 h / 55 °C / Inert atmosphere

2.1: water; lithium hydroxide / 3 h / 20 °C / Inert atmosphere

2.2: Inert atmosphere

3.1: N-ethyl-N,N-diisopropylamine; trichlorophosphate / 2 h / Reflux; Inert atmosphere

4.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 18 h / 20 °C / Inert atmosphere

With water; triethylamine; N-ethyl-N,N-diisopropylamine; lithium hydroxide; trichlorophosphate; palladium diacetate; In dichloromethane;