HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 8-Ethyl-5,8-dihydro-5-oxo-2-(piperazinyl)pyrido(2,3-d)pyrimidine-6-carboxylic acid hydrochloride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Pipemidic Acid | HCID 4831 | — |
| Product | 8-Ethyl-5,8-dihydro-5-oxo-2-(piperazinyl)pyrido(2,3-d)pyrimidine-6-carboxylic acid hydrochloride | HCID 6452568 | — |
Reaction Steps
To a stirred solution of saturated alcoholic hydrochloric acid (20 ml) was added, under ice-cooling, in portions of 1.28 g of 5,8-dihydro-8-ethyl-2-(1-piperazinyl)-5-oxopyrido[2,3-d]pyrimidine-6-carboxylic acid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03962443 |
| Source dataset | uspto-grants-1976_06 |
| ORD ID | ord-72da9ff5680d44628f1f1b8b4cb1a790 |
| Source note | uspto-grants-1976_06 |