HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,4-Diamino-6-chloropyrimidine → HCID 18946293, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,4-Diamino-6-chloropyrimidine | HCID 67432 | — |
| Reactant | tert-Butyl piperazine-1-carboxylate | HCID 143452 | — |
| Solvent | Chlorobenzene | HCID 7964 | — |
| Product | HCID 18946293 | HCID 18946293 | 90.4% |
Reaction Steps
A mixture of 2,6-diamino-4-chloropyrimidine (2.88 g, 20 mmol) and 1- (tert-butoxycarbonyl)piperazine (5.6 g, 30 mmol) in chlorobenzene (30 ml) was stirred under reflux for 3 hours. After cooling the formed precipitate was collected and stirred with aqueous 1N NaOH (63 ml) at room temperature for 15 minutes. The solids were collected, washed with water and dried, yield: 90.4%, mp. 176°-179° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05380724 |
| Source dataset | uspto-grants-1995_01 |
| ORD ID | ord-4f2c63873b85405d8b0940922e6b8f9b |
| Source note | uspto-grants-1995_01 |