5-aminopyrazolo[1,5-a]pyrimidine-3-carboxylic acid [3-(3-chlorophenyl)isoxazol-4-yl]amide

Base Information

Chemical Name:5-aminopyrazolo[1,5-a]pyrimidine-3-carboxylic acid [3-(3-chlorophenyl)isoxazol-4-yl]amide
CAS No.:1224942-28-2
Molecular Formula:C₁₆H₁₁ClN₆O₂
Molecular Weight:354.755
Hs Code.:

Synonyms:5-aminopyrazolo[1,5-a]pyrimidine-3-carboxylic acid [3-(3-chlorophenyl)isoxazol-4-yl]amide

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 5-aminopyrazolo[1,5-a]pyrimidine-3-carboxylic acid [3-(3-chlorophenyl)isoxazol-4-yl]amide

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Technology Process of 5-aminopyrazolo[1,5-a]pyrimidine-3-carboxylic acid [3-(3-chlorophenyl)isoxazol-4-yl]amide

There total 6 articles about 5-aminopyrazolo[1,5-a]pyrimidine-3-carboxylic acid [3-(3-chlorophenyl)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: 79.0%

: 1403963-86-9
5-chloropyrazolo[1,5-a]pyrimidine-3-carboxylic acid [3-(3-chlorophenyl)isoxazol-4-yl]amide

: 1224942-28-2
5-aminopyrazolo[1,5-a]pyrimidine-3-carboxylic acid [3-(3-chlorophenyl)isoxazol-4-yl]amide

Guidance literature:: With ammonia; In isopropyl alcohol; at 65 - 120 ℃; for 24.6h; Microwave irradiation;
DOI:10.1021/jm3012239

Reference yield:

: 1224944-43-7
sodium pyrazolo[1,5-a] pyrimidin-5-olate

: 1224942-28-2
5-aminopyrazolo[1,5-a]pyrimidine-3-carboxylic acid [3-(3-chlorophenyl)isoxazol-4-yl]amide

Guidance literature:: Multi-step reaction with 7 steps

1: acetic acid / dichloromethane; methanol / 0.25 h / 20 °C

2: N-iodo-succinimide / N,N-dimethyl-formamide / 1 h / 20 °C

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

4: lithium hydroxide; water / 3 h / 20 °C

5: trichlorophosphate; N-ethyl-N,N-diisopropylamine / 2 h / Reflux

6: N-ethyl-N,N-diisopropylamine / dichloromethane / 18 h / 20 °C

7: ammonia / isopropyl alcohol / 24.6 h / 65 - 120 °C / Microwave irradiation

With N-iodo-succinimide; ammonia; water; palladium diacetate; acetic acid; triethylamine; N-ethyl-N,N-diisopropylamine; lithium hydroxide; trichlorophosphate; In methanol; dichloromethane; N,N-dimethyl-formamide; isopropyl alcohol;
DOI:10.1021/jm3012239

Reference yield:

: 1224944-46-0
5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylic acid

: 1224942-28-2
5-aminopyrazolo[1,5-a]pyrimidine-3-carboxylic acid [3-(3-chlorophenyl)isoxazol-4-yl]amide

Guidance literature:: Multi-step reaction with 3 steps

1: trichlorophosphate; N-ethyl-N,N-diisopropylamine / 2 h / Reflux

2: N-ethyl-N,N-diisopropylamine / dichloromethane / 18 h / 20 °C

3: ammonia / isopropyl alcohol / 24.6 h / 65 - 120 °C / Microwave irradiation

With ammonia; N-ethyl-N,N-diisopropylamine; trichlorophosphate; In dichloromethane; isopropyl alcohol;
DOI:10.1021/jm3012239