HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Chlorobenzaldehyde → 1-Nitro-5-(p-chlorophenyl)-5,6-dihydropyrazolo[1,5-c]quinazoline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Chlorobenzaldehyde | HCID 7726 | — |
| Reactant | 5-(o-Aminophenyl)-4-nitropyrazole | HCID 20560260 | — |
| Product | 1-Nitro-5-(p-chlorophenyl)-5,6-dihydropyrazolo[1,5-c]quinazoline | HCID 135737776 | 83% |
Reaction Steps
5-(o-Aminophenyl)-4-nitropyrazole is reacted with p-chlorobenzaldehyde as described in Example 11 to give 1-nitro-5-(p-chlorophenyl)-5,6-dihydropyrazolo[1,5-c]quinazoline. M.p.: 217°-219° C. Yield: 83%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04303660 |
| Source dataset | uspto-grants-1981_12 |
| ORD ID | ord-de1559e0b4064a92b588967ede8b4a22 |
| Source note | uspto-grants-1981_12 |