HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phenyl isocyanate → 3-Benzoyl-2,3,4,6-tetrahydrobenzo[c][2,7]naphthyridin-5(1H)-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phenyl isocyanate | HCID 7672 | — |
| Reactant | N-Benzoyl-4-piperidone | HCID 90583 | — |
| Product | 3-Benzoyl-2,3,4,6-tetrahydrobenzo[c][2,7]naphthyridin-5(1H)-one | HCID 21498779 | — |
Reaction Steps
In the same way as described in example 2, the title product was prepared starting from phenylisocyanate and the pyrrolidine enamine of N-benzoyl-4-piperidone. Crystallization from methanol afforded analytical material, mp 275°-277° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03991064 |
| Source dataset | uspto-grants-1976_11 |
| ORD ID | ord-f4445c55ba7a43eb8f16ba6cddd7cc76 |
| Source note | uspto-grants-1976_11 |