HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → HCID 178468641, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | HCID 178473091 | HCID 178473091 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 178468641 | HCID 178468641 | — |
Reaction Steps
In analogy to the procedure described for example 4 b], (Z)-2-hydroxy-4-oxo-4-(4-trifluoromethoxy-phenyl)-but-2-enoic acid ethyl ester was reacted with hydrazine monohydrate in ethanol under reflux conditions to give 5-(4-trifluoromethoxy-phenyl)-1H-pyrazole-3-carboxylic acid ethyl ester as yellow crystals.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07265149B2 |
| Source dataset | uspto-grants-2007_09 |
| ORD ID | ord-1ec76067a8b54fd0b00fc3a43c0c00f0 |
| Source note | uspto-grants-2007_09 |