HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → 3-(4'-Fluoro-4-biphenylyl)-3-methyl-pyrazolidin-5-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | 3-(4'-Fluoro-4-biphenylyl)-3-hydroxybutyric acid ethyl ester | HCID 54017347 | — |
| Product | 3-(4'-Fluoro-4-biphenylyl)-3-methyl-pyrazolidin-5-one | HCID 21512675 | — |
Reaction Steps
A mixture of 30.2 g of 3-(4'-fluoro-4-biphenylyl)-3-hydroxybutyric acid ethyl ester and 25 g of 100% strength hydrazine hydrate is heated at 100° for 4 hours. The mixture is worked up in the usual manner to give 3-(4'-fluoro-4-biphenylyl)-3-methyl-pyrazolidin-5-one, m.p. 194°-196 °.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03980795 |
| Source dataset | uspto-grants-1976_09 |
| ORD ID | ord-aea07c6ead2c467baca32693afad0c1c |
| Source note | uspto-grants-1976_09 |