HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetophenone → Acetophenone 4-nitrophenylhydrazone
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetophenone | HCID 7410 | — |
| Reactant | (4-Nitrophenyl)hydrazine | HCID 3310889 | — |
| Product | Acetophenone 4-nitrophenylhydrazone | HCID 4416602 | — |
Reaction Steps
10.2 g of acetophenone -p-nitrophenylhydrazone (melting point: 186.5°-188.0° C.) obtained by equimolar reaction of p-nitrophenylhydrazine and acetophenone was subjected to Vilsmeir reaction with phosphorus oxychloride and dimethylformamide to obtain 11.8 g of 1-(p-nitrophenyl)-3-phenylpyrazole-4-carboxyaldehyde (melting point: 208.5°-211.0° C.) having the following structural formula. ##STR300##
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04999269 |
| Source dataset | uspto-grants-1991_03 |
| ORD ID | ord-71decb0fb8de4f039b0c6720ef9a85d8 |
| Source note | uspto-grants-1991_03 |