2-cyclopropyl3-(4-chlorophenyl)-7-(4-fluorophenyl)-pyrazolo[1,5-a]pyrimidin-5(4H)-one

Base Information

Chemical Name:2-cyclopropyl3-(4-chlorophenyl)-7-(4-fluorophenyl)-pyrazolo[1,5-a]pyrimidin-5(4H)-one
CAS No.:1363293-80-4
Molecular Formula:C₂₁H₁₅ClFN₃O
Molecular Weight:379.821
Hs Code.:

Synonyms:2-cyclopropyl3-(4-chlorophenyl)-7-(4-fluorophenyl)-pyrazolo[1,5-a]pyrimidin-5(4H)-one

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Chemical Property of 2-cyclopropyl3-(4-chlorophenyl)-7-(4-fluorophenyl)-pyrazolo[1,5-a]pyrimidin-5(4H)-one

Chemical Property:

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Technology Process of 2-cyclopropyl3-(4-chlorophenyl)-7-(4-fluorophenyl)-pyrazolo[1,5-a]pyrimidin-5(4H)-one

There total 3 articles about 2-cyclopropyl3-(4-chlorophenyl)-7-(4-fluorophenyl)-pyrazolo[1,5-a]pyrimidin-5(4H)-one 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:

: 1999-00-4
ethyl 3-(4'-fluorophenyl)-3-oxopropionate

: 1160100-84-4
4-(4-chlorophenyl)-3-cyclopropyl-1H-pyrazol-5-amine

: 1363293-80-4
2-cyclopropyl3-(4-chlorophenyl)-7-(4-fluorophenyl)-pyrazolo[1,5-a]pyrimidin-5(4H)-one

Guidance literature:: With pyridine; at 95 ℃;

Reference yield:

: 140-53-4
p-chlorobenzyl cyanide

: 1363293-80-4
2-cyclopropyl3-(4-chlorophenyl)-7-(4-fluorophenyl)-pyrazolo[1,5-a]pyrimidin-5(4H)-one

Guidance literature:: Multi-step reaction with 3 steps

1: sodium hydride / tetrahydrofuran; mineral oil / 0.17 h / 0 °C

2: acetic acid; hydrazine hydrate / toluene / 16 h / Heating

3: pyridine / 95 °C

With pyridine; sodium hydride; hydrazine hydrate; acetic acid; In tetrahydrofuran; toluene; mineral oil;

Reference yield:

: 110347-82-5
2-(4-chlorophenyl)-2-cyclopropylcarbonylacetonitrile

: 1363293-80-4
2-cyclopropyl3-(4-chlorophenyl)-7-(4-fluorophenyl)-pyrazolo[1,5-a]pyrimidin-5(4H)-one

Guidance literature:: Multi-step reaction with 2 steps

1: acetic acid; hydrazine hydrate / toluene / 16 h / Heating

2: pyridine / 95 °C

With pyridine; hydrazine hydrate; acetic acid; In toluene;