HuagongsheHuagongshe Chemistry Print Report · For research reference only
Formaldehyde → HCID 14519538, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Formaldehyde | HCID 712 | — |
| Reactant | Ethyl 2-(4-oxo-3,4-dihydrophthalazin-1-yl)acetate | HCID 348622 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 14519538 | HCID 14519538 | — |
Reaction Steps
A mixture of ethyl-4-oxo-3-H-phthalazin-1-ylacetate (23.42 g), ethanol (200 ml) and aqueous formaldehyde (37% concentration, 100 ml) was refluxed for 40 hours. This solution was concentrated to 100 ml and was then poured onto ice water (750 ml). The precipitated solid was collected and air-dried (yield: 17.1 g; m.p. 113°-114° C.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04900844 |
| Source dataset | uspto-grants-1990_02 |
| ORD ID | ord-c490b7fc750e4eaab3ad41c3c0285160 |
| Source note | uspto-grants-1990_02 |