HuagongsheHuagongshe Chemistry Print Report · For research reference only
3-Bromo-4-fluorobenzaldehyde → 4-(3-bromo-4-fluorophenyl)-1,6-dimethyl-1,2,4,9-tetrahydropyrano[3,4-b]pyrazolo[4,3-e]pyridine-3,5(6H,8H)-dione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3-Bromo-4-fluorobenzaldehyde | HCID 173604 | — |
| Reactant | 5-amino-1-methyl-2,3-dihydro-1H-pyrazol-3-one | HCID 252198 | — |
| Reactant | 2-methyl-2H-pyran-3,5(4H,6H)-dione | HCID 23497474 | — |
| Product | 4-(3-bromo-4-fluorophenyl)-1,6-dimethyl-1,2,4,9-tetrahydropyrano[3,4-b]pyrazolo[4,3-e]pyridine-3,5(6H,8H)-dione | HCID 10136117 | — |
Reaction Steps
5-Amino-1-methyl-1,2-dihydropyrazol-3-one, 3-bromo-4-fluorobenzaldehyde, and the product from Example 44C could be processed as described in Example 22 to provide the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06780872B2 |
| Source dataset | uspto-grants-2004_08 |
| ORD ID | ord-1d060fc33ab84f608a6d8d78fbf59a14 |
| Source note | uspto-grants-2004_08 |