HuagongsheHuagongshe Chemistry Print Report · For research reference only
Piperidine → HCID 18990378, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Piperidine | HCID 8082 | — |
| Reactant | 3,4-Dihydroxy-5-nitrobenzaldehyde | HCID 5748957 | — |
| Reactant | 1,3-Dicyclopropylpropane-1,3-dione | HCID 13780782 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | HCID 18990378 | HCID 18990378 | — |
Reaction Steps
A mixture containing 2.75 g of 3,4-dihydroxy-5-nitrobenzaldehyde, 3.8 g of 1,3-dicyclopropyl-l,3-propanedione, 0.2 ml of piperidine and 0.4 ml of acetic acid was refluxed for 1 h with a Dean-Stark separator. After cooling the product was filtered and recrystallized from acetic acid. Yield 2.85 g, mp 159°-162° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05489614 |
| Source dataset | uspto-grants-1996_02 |
| ORD ID | ord-be1535e9712d44a6b09ba9fdb90f367b |
| Source note | uspto-grants-1996_02 |