HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Methoxybenzaldehyde → 1-Nitro-5-(p-methoxyphenyl)-5,6-dihydropyrazolo[1,5-c]quinazoline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Methoxybenzaldehyde | HCID 31244 | — |
| Reactant | 5-(o-Aminophenyl)-4-nitropyrazole | HCID 20560260 | — |
| Product | 1-Nitro-5-(p-methoxyphenyl)-5,6-dihydropyrazolo[1,5-c]quinazoline | HCID 135737783 | 97% |
Reaction Steps
5-(o-Aminophenyl)-4-nitropyrazole is reacted with p-anisaldehyde as given in Example 11. 1-Nitro-5-(p-methoxyphenyl)-5,6-dihydropyrazolo[1,5-c]quinazoline is obtained with a yield of 97%. M.p.: 181°-183° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04303660 |
| Source dataset | uspto-grants-1981_12 |
| ORD ID | ord-385608fa210f400b872e7b4596419d49 |
| Source note | uspto-grants-1981_12 |