HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium Carbonate → 1,2,3,9-Tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium Carbonate | HCID 10340 | — |
| Reactant | 2,3,4,9-Tetrahydro-N,N,N,9-tetramethyl-4-oxo-1H-carbazole-3-methanaminium iodide | HCID 13519712 | — |
| Solvent | Water | HCID 962 | — |
| Product | 1,2,3,9-Tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one | HCID 11790505 | 105.6% |
Reaction Steps
A solution of the product from Preparation 2 (5.0 g) in water (20 ml) was treated with 2N sodium carbonate (6.55 ml) and warmed at 35° for 45 mins. The resulting slurry was cooled to 0° and the solid was filtered off, washed with water and dried to give the title compound (2.8 g) m.p. 127°-129°.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04695578 |
| Source dataset | uspto-grants-1987_09 |
| ORD ID | ord-fc03eb48440743b3be6ecee9a616edb7 |
| Source note | uspto-grants-1987_09 |