HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → HCID 68864415, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | Ethyl 6-acetyl-8-(benzyloxy)-2-methyl-1-oxo-1,2,3,4-tetrahydro-pyrrolo[1,2-a]-pyrazine-7-carboxylate | HCID 68866335 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | HCID 68864415 | HCID 68864415 | — |
Reaction Steps
A solution of ethyl 6-acetyl-8-(benzyloxy)-2-methyl-1-oxo-1,2,3,4-tetrahydropyrrolo[1,2-a]-pyrazine-7-carboxylate (0.44 g,1.2 mmol; see Example 7, Step 7), and hydrazine monohydrate (0.37 mL, 11.9 mmol) in glacial acetic acid (2 mL) was heated in a microwave oven at 180° C. for 20 minutes. The reaction mixture was concentrated under vacuum and the residue partitioned between dichloromethane and aqueous sodium bicarbonate. The organic extract was dried over MgSO4, filtered, and concentrated to provide the titled dione.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07538112B2 |
| Source dataset | uspto-grants-2009_05 |
| ORD ID | ord-89ce86da2c114c9fa30b88ff29a041d9 |
| Source note | uspto-grants-2009_05 |