HuagongsheHuagongshe Chemistry Print Report · For research reference only
Propylphosphonic anhydride → 4-chloro-N-[5-chloro-2-(6-methyl-2,3-dihydro-benzo[1,4]oxazine-4-carbonyl)-pyridin-3-yl]-3-trifluoromethyl-benzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Propylphosphonic anhydride | HCID 111923 | — |
| Reactant | 6-Methyl-3,4-dihydro-2H-benzo[1,4]oxazine 5-chloro-3-(4-chloro-3-(trifluoromethyl)phenylsulfonamido)picolinic acid | HCID 66648985 | — |
| Solvent | Triethylamine | HCID 8471 | — |
| Product | 4-chloro-N-[5-chloro-2-(6-methyl-2,3-dihydro-benzo[1,4]oxazine-4-carbonyl)-pyridin-3-yl]-3-trifluoromethyl-benzenesulfonamide | HCID 44177186 | — |
Reaction Steps
6-Methyl-3,4-dihydro-2H-benzo[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-(6-methyl-2,3-dihydro-benzo[1,4]oxazine-4-carbonyl)-pyridin-3-yl]-3-trifluoromethyl-benzenesulfonamide: Reverse phase HPLC gradient acetonitrile 0.1% TFA 20-95% in 4 min: 3.099 min; MS m/z: 546.1 (M+H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08519135B2 |
| Source dataset | uspto-grants-2013_08 |
| ORD ID | ord-c653b77037cb416c948d2fe485e33b64 |
| Source note | uspto-grants-2013_08 |