HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1062648Generated: November 2, 2026
Hydrochloric Acid → 4-PHENYL-1-PIPERAZINECARBOTHIOAMIDE
https://huagongshe.com/reaction/1062648
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | ETHYL (4-PHENYL-1-PIPERAZINYL)CARBOTHIOYLCARBAMATE | HCID 1518349 | — |
| Product | 4-PHENYL-1-PIPERAZINECARBOTHIOAMIDE | HCID 2051798 | 63% |
Reaction Steps
Ethyl (4-phenyl-1-piperazinyl)carbothioylcarbamate (13 g, 44 mmol) was added to conc. hydrochloric acid (44 mL) and the mixture was stirred at 80° C. for 2 h. The reaction mixture was made basic with 8N aqueous sodium hydroxide solution and the crystals were collected by filtration. The crystals were washed with water and dried to give the title compound (6.1 g, yield 63%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US06962933B1 |
|---|
| Source dataset | uspto-grants-2005_11 |
|---|
| ORD ID | ord-39c6e7e35fd646cc9aeb751855e24757 |
|---|
| Source note | uspto-grants-2005_11 |
|---|