Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Piperidine | HCID 8082 | — |
| Reactant | HCID 71278572 | HCID 71278572 | — |
| Reactant | HCID 178520025 | HCID 178520025 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | HCID 178516763 | HCID 178516763 | 62.5% |
Reaction Steps
A solution of 4-[(6-hydroxy-3-oxo-2,3-dihydrobenzofuran-7-yl)methyl]piperazin-2-one (0.131 g, 0.500 mmol) in methanol (2 mL) was added with indazole-3-carbaldehyde (0.0731 g, 0.500 mmol), and piperidine (0.00426 g, 0.0500 mmol) at room temperature, and the mixture was stirred at 60° C. for 2 hours. The reaction mixture was cooled to room temperature, then added with methanol (6 mL), suspended in methanol and thereby washed, and the solid was collected by filtration to obtain (Z)-4-({2-[(1H-indazol-3-yl)methylene]-6-hydroxy-3-oxo-2,3-dihydrobenzofuran-7-yl}methyl)piperazin-2-one (0.122 g, 62%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09156827B2 |
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| Source dataset | uspto-grants-2015_10 |
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| ORD ID | ord-67d24b208aa248be91288f60cd996998 |
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| Source note | uspto-grants-2015_10 |
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