HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2387977Generated: October 31, 2026
8-vinyl-3,4-dihydro-1H-1-benzazepine-2,5-dione → 8-ethyl-3,4-dihydro-1H-1-benzazepine-2,5-dione
https://huagongshe.com/reaction/2387977
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 8-vinyl-3,4-dihydro-1H-1-benzazepine-2,5-dione | HCID 67336597 | — |
| Catalyst | Palladium | HCID 23938 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | 8-ethyl-3,4-dihydro-1H-1-benzazepine-2,5-dione | HCID 67336841 | 91% |
Reaction Steps
To a solution of 8-vinyl-3,4-dihydro-1H-1-benzazepine-2,5-dione (2.6 g, 13 mmol) in EtOH (160 mL) was added 10% (w/w) palladium on carbon (260 mg). The reaction mixture was allowed to stir under an atmosphere of H2 (5 bar) at 70° C. until reaction was complete. The reaction mixture was filtered over Celite® and the filtrate was concentrated to give 8-ethyl-3,4-dihydro-1H-1-benzazepine-2,5-dione (2.4 g, 91%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08268992B2 |
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| Source dataset | uspto-grants-2012_09 |
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| ORD ID | ord-0036f7074bb841e9a8cbcf0911177783 |
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| Source note | uspto-grants-2012_09 |
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