HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phenylpropynal → 5,6-Dihydro-5-oxo-1-phenylpyrazolo[1,5-c]quinazolin-2-carboxaldehyde
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phenylpropynal | HCID 75740 | — |
| Reactant | (3Z)-3-diazo-1H-indol-2-one | HCID 136455454 | — |
| Solvent | Benzene | HCID 241 | — |
| Product | 5,6-Dihydro-5-oxo-1-phenylpyrazolo[1,5-c]quinazolin-2-carboxaldehyde | HCID 135737570 | — |
Reaction Steps
4.8 g (0.030 mole) of 3-diazooxindole is suspended in 350 ml of benzene and 3.9 g (0.030 mole) of phenylpropargylaldehyde added. The reaction mixture is refluxed under nitrogen for 48 hours.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04112096 |
| Source dataset | uspto-grants-1978_09 |
| ORD ID | ord-a4b1eb1d91b242e1bc5d99e4ce14032b |
| Source note | uspto-grants-1978_09 |