HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Pyridinecarboxaldehyde → HCID 21498308, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Pyridinecarboxaldehyde | HCID 13389 | — |
| Reactant | Ethyl 3-amino-3-(ethylsulfanyl)prop-2-enoate | HCID 71365247 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 21498308 | HCID 21498308 | 47% |
Reaction Steps
Upon boiling a solution of 5.3 g of pyridine-4-aldehyde and 17.5 g of 3-amino-3-ethylmercaptoacrylic acid ethyl ester in 100 ml of ethanol for 5 hours, 2-amino-4-(4-pyridyl)-6-ethylmercapto-4,5-dihydropyridine-3,5-dicarboxylic acid diethyl ester of melting point 156° C is obtained. Yield: 47% of theory.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03985886 |
| Source dataset | uspto-grants-1976_10 |
| ORD ID | ord-7034bf0886b74cff804e87c5aa92251f |
| Source note | uspto-grants-1976_10 |