HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → 1-Nitro-5-(p-chlorophenyl)-6-acetyl-5,6-dihydropyrazolo[1,5-c]quinazoline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | 1-Nitro-5-(p-chlorophenyl)-5,6-dihydropyrazolo[1,5-c]quinazoline | HCID 135737776 | — |
| Product | 1-Nitro-5-(p-chlorophenyl)-6-acetyl-5,6-dihydropyrazolo[1,5-c]quinazoline | HCID 13175677 | 95% |
Reaction Steps
1-Nitro-5-(p-chlorophenyl)-5,6-dihydropyrazolo[1,5-c]quinazoline is treated with acetic anhydride as described in Example 27 to give 1-nitro-5-(p-chlorophenyl)-6-acetyl-5,6-dihydropyrazolo[1,5-c]quinazoline with a yield of 95%. M.p.: 183°-184° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04303660 |
| Source dataset | uspto-grants-1981_12 |
| ORD ID | ord-3a70e229aad94e43b4400cda1b8b49d4 |
| Source note | uspto-grants-1981_12 |