HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-Piperazinecarboxaldehyde → HCID 178521668, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-Piperazinecarboxaldehyde | HCID 82191 | — |
| Reactant | 2,3-Epoxy-2,3-dihydro-1,4-naphthoquinone | HCID 85844 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 178521668 | HCID 178521668 | — |
Reaction Steps
A mixture of 3.48 g of 2,3-epoxy-2,3-dihydro-1,4-naphthoquinone, 2.28 of 1-piperazinecarboxaldehyde and 200 ml of absolute ethanol was stirred for 20 hours, then concentrated to one-half its original volume and refrigerated, overnight. The solid was collected and recrystallized from dichloromethane/ethanol, giving 2.65 g of the desired product, mp 200-203°C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04771061 |
| Source dataset | uspto-grants-1988_09 |
| ORD ID | ord-30916243c1c24c59b7b07260cc6f64f7 |
| Source note | uspto-grants-1988_09 |