HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Hydrazinyl-2-methylpyridine--hydrogen chloride (1/1) → 5-(3-Bromo-5-trifluoromethoxyphenyl)-1-(6-methylpyridin-3-yl)-1H-pyrazole-3-carboxylic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Hydrazinyl-2-methylpyridine--hydrogen chloride (1/1) | HCID 24820511 | — |
| Reactant | 5-(3-Chloro-5-fluorophenyl)-1-(pyridin-2-yl)-1H-pyrazole-3-carboxylic acid | HCID 89602575 | — |
| Reactant | Lithium 1-(3-bromo-5-trifluoromethoxy phenyl)-4-ethoxy-3,4-dioxobut-1-en-1-olate | HCID 131734661 | — |
| Product | 5-(3-Bromo-5-trifluoromethoxyphenyl)-1-(6-methylpyridin-3-yl)-1H-pyrazole-3-carboxylic acid | HCID 89602539 | — |
Reaction Steps
656 g (1.35 mmol) of the compound of Example 5A is reacted analogously to the synthesis of the compound of Example 20A with 359 mg (2.02 mmol) of 6-methylpyridin-3-yl-hydrazine hydrochloride. After hydrolysis, 53 mg (9% 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-9f78b751e83a468aac75f1e89c331efa |
| Source note | uspto-grants-2016_03 |