HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Acid → 1-(p-Carboxyphenyl)-3-methyl-4-(2'-hydroxy-3'-methoxybenzylidene)-2-pyrazolin-5-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Acid | HCID 176 | — |
| Reactant | Isovanillin | HCID 12127 | — |
| Reactant | 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid | HCID 109029 | — |
| Product | 1-(p-Carboxyphenyl)-3-methyl-4-(2'-hydroxy-3'-methoxybenzylidene)-2-pyrazolin-5-one | HCID 1226948 | — |
Reaction Steps
218 g (1 mole) of 1-p-carboxyphenyl-3-methyl-2-pyrazolin-5-one and 152 g (1 mole) of iso-vanillin were suspended in 1000 ml of acetic acid and refluxed for 3 h. After cooling down 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-928747c440f14da0b5d43ff7d1667093 |
| Source note | uspto-grants-1982_01 |