HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phenylhydrazine → HCID 21459168, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phenylhydrazine | HCID 7516 | — |
| Reactant | HCID 19000175 | HCID 19000175 | — |
| Product | HCID 21459168 | HCID 21459168 | — |
Reaction Steps
10.0 g of ethyl (3,4-dimethoxy-5-nitrobenzoyl)acetate are reacted with 4.0 g of phenylhydrazine in analogy to Example 53a. After recrystallization from methylene chloride/ethanol, there is obtained 3-(3,4-dimethoxy-5-nitrophenyl)-1-phenyl-2-pyrazolin-5-one in the form of yellow crystals of m.p. 190°-192°.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05633371 |
| Source dataset | uspto-grants-1997_05 |
| ORD ID | ord-9913918bbe9e496484cda70119ac0bc8 |
| Source note | uspto-grants-1997_05 |