HuagongsheHuagongshe Chemistry Print Report · For research reference only
2H-pyran-3,5(4H,6H)-dione → methyl 4-(4-fluoro-3-iodophenyl)-2-methyl-5-oxo-4,5,6,8-tetrahydro-1H-pyrano[3,4-b]pyridine-3-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2H-pyran-3,5(4H,6H)-dione | HCID 325287 | — |
| Reactant | Methyl 3-aminocrotonate | HCID 643918 | — |
| Reactant | 4-Fluoro-3-iodobenzaldehyde | HCID 10308073 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | methyl 4-(4-fluoro-3-iodophenyl)-2-methyl-5-oxo-4,5,6,8-tetrahydro-1H-pyrano[3,4-b]pyridine-3-carboxylate | HCID 18000962 | 45.1% |
Reaction Steps
The product from Example 11B (0.34 g, 3.0 mmol), the product from Example 30C (0.74 g, 3.0 mmol) and methyl 3-aminocrotonate (0.35 g, 3.0 mmol) in methanol (8 mL) were processed as described in Example 68A to provide the title compound (0.60 g).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06642222B2 |
| Source dataset | uspto-grants-2003_11 |
| ORD ID | ord-30fc3e751320499c97cc9a2a6da98ec3 |
| Source note | uspto-grants-2003_11 |