HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethyl propiolate → 1-(4-Chloro-benzyl)-pyrazol-5-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethyl propiolate | HCID 12182 | — |
| Reactant | (4-Chlorobenzyl)hydrazine | HCID 3015209 | — |
| Solvent | 1-Butanol | HCID 263 | — |
| Product | 1-(4-Chloro-benzyl)-pyrazol-5-one | HCID 23334250 | — |
Reaction Steps
9.8 g (0.1 mol) of propiolic acid ethyl ester and 15.6 g (0.1 mol) of p-chlorobenzylhydrazine in 100 ml of n-butanol were heated for 8 hours under reflux.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04112227 |
| Source dataset | uspto-grants-1978_09 |
| ORD ID | ord-b051cbd5c8854655bfaa26d2a6553727 |
| Source note | uspto-grants-1978_09 |