HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phosphorus oxychloride → 3-Chloro-2-(4-chloro-2-fluorophenyl)-2,4,5,6-tetrahydrocyclopentapyrazole
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phosphorus oxychloride | HCID 24813 | — |
| Reactant | 2-(4-chloro-2-fluorophenyl)-1,4,5,6-tetrahydrocyclopentapyrazol-3(2H)-one | HCID 22762224 | — |
| Product | 3-Chloro-2-(4-chloro-2-fluorophenyl)-2,4,5,6-tetrahydrocyclopentapyrazole | HCID 20312165 | — |
Reaction Steps
By reacting 2-(4-chloro-2-fluorophenyl)-1,4,5,6-tetrahydrocyclopentapyrazol-3(2H)-one with phosphorous oxychloride according to the procedure of Example 1(d), 3-chloro-2-(4-chloro-2-fluorophenyl)-2,4,5,6-tetrahydrocyclopentapyrazole (m.p. 102°-104°) was obtained.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04108628 |
| Source dataset | uspto-grants-1978_08 |
| ORD ID | ord-77b4cef1ec3744c3b3238b587cd5d6ce |
| Source note | uspto-grants-1978_08 |