HuagongsheHuagongshe Chemistry Print Report · For research reference only
Propylphosphonic anhydride → 4-chloro-N-[5-chloro-2-(2,3-dihydro-pyrido[3,2-b][1,4]oxazine-4-carbonyl)-pyridin-3-yl]-3-trifluoromethyl-benzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Propylphosphonic anhydride | HCID 111923 | — |
| Reactant | 3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine 5-chloro-3-(4-chloro-3-(trifluoromethyl)phenylsulfonamido)picolinic acid | HCID 66648922 | — |
| Solvent | Triethylamine | HCID 8471 | — |
| Product | 4-chloro-N-[5-chloro-2-(2,3-dihydro-pyrido[3,2-b][1,4]oxazine-4-carbonyl)-pyridin-3-yl]-3-trifluoromethyl-benzenesulfonamide | HCID 44177184 | — |
Reaction Steps
3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine 5-chloro-3-(4-chloro-3-(trifluoromethyl)phenylsulfonamido)picolinic acid, T3P, and Et3N were reacted according to the procedure D to provide the title compound. HPLC purification provided 4-chloro-N-[5-chloro-2-(2,3-dihydro-pyrido[3,2-b][1,4]oxazine-4-carbonyl)-pyridin-3-yl]-3-trifluoromethyl-benzenesulfonamide; Reverse phase HPLC gradient acetonitrile 0.1% TFA 20-95% in 4 min: 2.871 min; MS m/z 533.1 (M+H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08093247B2 |
| Source dataset | uspto-grants-2012_01 |
| ORD ID | ord-f9a6d7be3a544f30aa45ab33b80ab8f1 |
| Source note | uspto-grants-2012_01 |