HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Toluenesulfonyl chloride → HCID 59226402, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Toluenesulfonyl chloride | HCID 7397 | — |
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | (4R)-4-(hydroxymethyl)-5-(1-hydroxypropan-2-yl)oxazolidin-2-one | HCID 59226593 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | HCID 59226402 | HCID 59226402 | 68% |
Reaction Steps
To a solution of (4R)-4-(hydroxymethyl)-5-(1-hydroxypropan-2-yl)oxazolidin-2-one (1.0 equiv.) in pyridine (0.15 M) at 0° C. was added p-toluenesulfonylchloride (2.1 equiv.). The solution was allowed to warm to rt as it stirred for 14 hours, at which time EtOAc was added and the solution was washed with H2O(3×), CuSO4(sat.) (2×), H2O, Na2CO3(sat.) and NaCl(sat.), dried over MgSO4, filtered, concentrated and purified by silica gel chromatography (75% EtOAc/hexanes eluent) yielding 2-((4R)-2-oxo-4-(tosyloxymethyl)oxazolidin-5-yl)propyl 4-methylbenzenesulfonate (68%)., LCMS (m/z): 484.1 (MH+); LC Rt=4.06 min.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08329732B2 |
| Source dataset | uspto-grants-2012_12 |
| ORD ID | ord-f77cdc1ce4114a96bf420ccd189c00c9 |
| Source note | uspto-grants-2012_12 |