HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,3-Dichloro-5,5-dimethylhydantoin → Ethyl 7-azetidin-1-yl-6-chloro-1-(2-cyanoethyl)-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,3-Dichloro-5,5-dimethylhydantoin | HCID 8360 | — |
| Reactant | Ethyl 7-azetidin-1-yl-1-(2-cyanoethyl)-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate | HCID 67275510 | — |
| Solvent | Chloroform | HCID 6212 | — |
| Product | Ethyl 7-azetidin-1-yl-6-chloro-1-(2-cyanoethyl)-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate | HCID 67275173 | — |
Reaction Steps
A solution of EXAMPLE 81C (0.50 g) and 1,3-dichloro-5,5-dimethylhydantoin (0.30 g) in chloroform (100 mL) was refluxed for 2 hours then cooled, diluted with chloroform, washed with 10% sodium bisulfate and brine, and dried (MgSO4), filtered, and concentrated; and the concentrate was crystallized from dichloromethane/ethyl acetate/hexanes.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08163769B2 |
| Source dataset | uspto-grants-2012_04 |
| ORD ID | ord-02d1767504364b67a65b5b15b7746152 |
| Source note | uspto-grants-2012_04 |