HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phenylhydrazine → 5,6-Dihydro-4-(2-phenylhydrazino)-2(1H)-pyridinone
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phenylhydrazine | HCID 7516 | — |
| Reactant | 2,4-Piperidinedione | HCID 10887863 | — |
| Solvent | Ethanol | HCID 702 | — |
| Solvent | Water | HCID 962 | — |
| Product | 5,6-Dihydro-4-(2-phenylhydrazino)-2(1H)-pyridinone | HCID 19773528 | — |
Reaction Steps
Phenylhydrazine (17.4 ml) was added over 15 min to a stirred suspension of 2,4-piperidinedione (20 g) in ethanol (200 ml) at ca. 20°. The resulting suspension was diluted with ethanol (80 ml) and water (300 ml) and the solid was filtered off to give the title compound (23.31 g), m.p. 165°-168°.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05196534 |
| Source dataset | uspto-grants-1993_03 |
| ORD ID | ord-54e7a5da4cfd4f80b4c9c9b651f2c02f |
| Source note | uspto-grants-1993_03 |