HuagongsheHuagongshe Chemistry Print Report · For research reference only
Cesium carbonate → HCID 123493894, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Cesium carbonate | HCID 10796 | — |
| Reactant | N-Methyl-4-nitrobenzenesulfonamide | HCID 232993 | — |
| Reactant | (4S)-4-Phenyl-1,2,3-oxathiazolidine-2,2-dioxide-3-carboxylic acid t-butyl ester, min. 97% | HCID 11243499 | — |
| Solvent | Acetonitrile | HCID 6342 | — |
| Product | HCID 123493894 | HCID 123493894 | 77% |
Reaction Steps
tert-Butyl (45)-4-phenyl-1,2,3-oxathiazolidine-3-carboxylate 2,2-dioxide (1 g; 3.34 mmol), N-methyl-4-nitrobenzenesulfonamide (722 mg; 3.34 mmol), and Cs2CO3 (0.40 ml; 5.01 mmol) were dissolved in CH3CN (25 ml), and stirred overnight. The reaction mixture was filtered, washed with H2O (50 ml), and dried under vacuum to provide the desired intermediate (1.12 g; 77%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08710044B2 |
| Source dataset | uspto-grants-2014_04 |
| ORD ID | ord-13f6408fac7e4dba9226ffcd76f0d525 |
| Source note | uspto-grants-2014_04 |