5-(4-chloro-3-isopropoxyphenyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile

Base Information

Chemical Name:5-(4-chloro-3-isopropoxyphenyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile
CAS No.:1607024-68-9
Molecular Formula:C₁₆H₁₃ClN₄O₂
Molecular Weight:328.758
Hs Code.:

Synonyms:5-(4-chloro-3-isopropoxyphenyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile

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Chemical Property of 5-(4-chloro-3-isopropoxyphenyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile

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Technology Process of 5-(4-chloro-3-isopropoxyphenyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile

There total 4 articles about 5-(4-chloro-3-isopropoxyphenyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile 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%

: 1607024-67-8
ethyl 3-(4-chloro-3-isopropoxyphenyl)-3-oxopropanoate

: 16617-46-2
3-amino-4-cyano-2H-pyrazole

: 1607024-68-9
5-(4-chloro-3-isopropoxyphenyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile

Guidance literature:: With toluene-4-sulfonic acid; In butan-1-ol; at 130 ℃; for 1h;

Reference yield:

: 34113-69-4
4-chloro-3-hydroxybenzoic acid

: 1607024-68-9
5-(4-chloro-3-isopropoxyphenyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile

Guidance literature:: Multi-step reaction with 4 steps

1.1: potassium carbonate / N,N-dimethyl-formamide / 0 - 20 °C

2.1: sodium hydroxide; water / methanol / 10 h / 55 °C

3.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 3 h / 20 °C

3.2: 0 - 20 °C

4.1: toluene-4-sulfonic acid / butan-1-ol / 1 h / 130 °C

With water; potassium carbonate; toluene-4-sulfonic acid; 1,1'-carbonyldiimidazole; sodium hydroxide; In tetrahydrofuran; methanol; N,N-dimethyl-formamide; butan-1-ol;

Reference yield:

: 1394977-52-6
isopropyl 4-chloro-3-isopropoxybenzoate

: 1607024-68-9
5-(4-chloro-3-isopropoxyphenyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile

Guidance literature:: Multi-step reaction with 3 steps

1.1: sodium hydroxide; water / methanol / 10 h / 55 °C

2.1: 1,1'-carbonyldiimidazole / tetrahydrofuran / 3 h / 20 °C

2.2: 0 - 20 °C

3.1: toluene-4-sulfonic acid / butan-1-ol / 1 h / 130 °C

With water; toluene-4-sulfonic acid; 1,1'-carbonyldiimidazole; sodium hydroxide; In tetrahydrofuran; methanol; butan-1-ol;