Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Malonic Acid | HCID 867 | — |
| Reactant | Piperidine | HCID 8082 | — |
| Reactant | HCID 10636680 | HCID 10636680 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | HCID 10496253 | HCID 10496253 | 91% |
Reaction Steps
A mixture of the aldehyde (1.50 g, 5.3 mmol) from Example 1A, malonic acid (1.21 g, 11.6 mmol), piperidine (78.6 μL, 0.80 mmol) in 8.0 mL of anhydrous pyridine was heated at 110° C. for 2 hours. Gas evolution ceased during this period. Pyridine was then removed under vacuum. Water and 3N aq. HCl were then added with stirring. The desired cinnamic acid was then collected through filtration, washed with cold water and dried in a vacuum oven overnight to give 1.56 g (4.8 mmol, 91%) of white solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06878700B1 |
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| Source dataset | uspto-grants-2005_04 |
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| ORD ID | ord-7dd9530ab44e468baa2c22dae7650dc1 |
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| Source note | uspto-grants-2005_04 |
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