Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Malonic Acid | HCID 867 | — |
| Reactant | Benzenepropanal | HCID 7707 | — |
| Catalyst | Acetic Acid | HCID 176 | — |
| Catalyst | Piperidine | HCID 8082 | — |
| Solvent | Dimethyl Sulfoxide | HCID 679 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 6105229 | HCID 6105229 | 79.2% |
Reaction Steps
A solution of malonic acid (17.06 g, 163.96 mmol) in DMSO (65 mL) was treated with a solution of AcOH (0.1 mL, 1.49 mmol) and piperidine (0.15 mL, 1.49 mmol) in DMSO (4 mL). The reaction solution was warmed to 65° C. and hydrocinnamaldehyde (10 g, 74.53 mmol) was added dropwise within 1.5 hr. After the addition ended, the reaction mixture was stirred for further 2 h at 65° C. The solution was cooled to room temperature, taken up in H2O and extracted with Et2O. The combined organic extracts were washed with 5% aqueous KHSO4 and brine, dried over MgSO4, and evaporated to dryness. The crude compound was purified by a silica gel column to produce the title compound (10.4 g, 75˜90%)
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09221783B2 |
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| Source dataset | uspto-grants-2015_12 |
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| ORD ID | ord-aac21ea6ff6f4cb78f51bb4ad659f72b |
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| Source note | uspto-grants-2015_12 |
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