HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 977199Generated: October 26, 2026
Piperidine → 5-[(3,4-Dihydroxy-5-nitrophenyl)methylidene]-2-aminothiazolidin-4-one
https://huagongshe.com/reaction/977199
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Piperidine | HCID 8082 | — |
| Reactant | 3,4-Dihydroxy-5-nitrobenzaldehyde | HCID 5748957 | — |
| Reactant | 2-Amino-1,3-thiazolidin-4-one | HCID 15292580 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | 5-[(3,4-Dihydroxy-5-nitrophenyl)methylidene]-2-aminothiazolidin-4-one | HCID 54403327 | — |
Reaction Steps
A solution containing 0.58 g (0.005 mol) of 2-aminothiazolidin-4-one, 0.92 g (0.005 mol) of 3,4-dihydroxy-5-nitrobenzaldehyde and 0.05 ml of piperidine in 5 ml of acetic acid was heated for 24 h at 100° C. The product was filtered and washed with ethanol. Yield 1.2 g (86%), mp 250° C. (decomp.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05614541 |
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| Source dataset | uspto-grants-1997_03 |
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| ORD ID | ord-38eef3d791024724835a9ccabbec80ae |
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| Source note | uspto-grants-1997_03 |
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