HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Hydroxybenzaldehyde → HCID 136041227, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Hydroxybenzaldehyde | HCID 126 | — |
| Reactant | 1H-Pyrazole-3-carboxylic acid, 1-(4-carboxyphenyl)-4,5-dihydro-5-oxo-, 3-ethyl ester | HCID 15834353 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | HCID 136041227 | HCID 136041227 | — |
Reaction Steps
276 g (1 mole) of 1-(p-carboxyphenyl)-3-ethoxycarbonyl-2-pyrazolin-5-one and 122 g (1 mole) of p-hydroxybenzaldehyde were dissolved in 1000 ml of acetic acid. The reaction mixture was refluxed for 3 h. The dye crystallized partially. After cooling to room temperature the dye was filtered with suction and rinsed with acetone.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04311787 |
| Source dataset | uspto-grants-1982_01 |
| ORD ID | ord-9ede7fd711174c7e925de05439f93317 |
| Source note | uspto-grants-1982_01 |