HuagongsheHuagongshe Chemistry Print Report · For research reference only
Piperazin-2-one → 4-[5-(3-Bromo-5-fluoro-phenyl)-1-(2-chloro-4-pyridyl)pyrazole-3-carbonyl]piperazin-2-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Piperazin-2-one | HCID 231360 | — |
| Reactant | 4-[5-(3-Chloro-5-fluoro-phenyl)-1-(3-pyridyl)pyrazole-3-carbonyl]piperazin-2-one | HCID 71576533 | — |
| Reactant | 5-(3-Bromo-5-fluorophenyl)-1-(2-chloropyridin-4-yl)-1H-pyrazole-3-carboxylic acid | HCID 89610001 | — |
| Product | 4-[5-(3-Bromo-5-fluoro-phenyl)-1-(2-chloro-4-pyridyl)pyrazole-3-carbonyl]piperazin-2-one | HCID 86574267 | — |
Reaction Steps
50 mg (0.13 mmol) of the compound of Example 33A is reacted analogously to the synthesis of the compound of Example 4 with 14 mg (0.14 mmol) of 2-oxopiperazine. 49 mg (81% of theory) of the title compound is obtained.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09296720B2 |
| Source dataset | uspto-grants-2016_03 |
| ORD ID | ord-bdce3f4ab8e2458e9b6f225fbdf7a189 |
| Source note | uspto-grants-2016_03 |