HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazobenzene → 3,5-Pyrazolidinedione, 4-allyl-1,2-diphenyl-
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazobenzene | HCID 31222 | — |
| Reactant | Diethyl allylmalonate | HCID 74900 | — |
| Reactant | Sodium | HCID 5360545 | — |
| Product | 3,5-Pyrazolidinedione, 4-allyl-1,2-diphenyl- | HCID 216684 | 30.2% |
Reaction Steps
Prepared from 1,2-diphenylhydrazine (5.2 g; 28.0 mmol), diethyl allylmalonate (5.0 g; 25.0 mmol), and sodium (0.58 g; 25.0 mmol) using the procedure of Example 3. The crude product was recrystallized from absolute ethanol to give 2.21 g (30%) tan crystals, mp 135-137° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06852749B1 |
| Source dataset | uspto-grants-2005_02 |
| ORD ID | ord-88925ccce3964f909e9832860eb5636f |
| Source note | uspto-grants-2005_02 |