HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methanesulfonamide → HCID 178472579, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methanesulfonamide | HCID 72879 | — |
| Reactant | HCID 178501515 | HCID 178501515 | — |
| Solvent | 2-Methylpropan-2-ol--water (1/1) | HCID 71401949 | — |
| Product | HCID 178472579 | HCID 178472579 | — |
Reaction Steps
To a solution of (2S,3S)-methyl 2,3-dihydroxy-3-((R)-1-((R)-1-phenylethyl)aziridin-2-yl)propanoate (3.3 g, 13.3 mmol) in t-BuOH/H2O (60 mL, 0.2 M/60 mL, 0.2 M) were added AD-mix α (33 g, 1000 w/w %) and methanesulfonamide (1.9 g, 19.9 mmol, 1.5 equiv) at 0° C. The reaction mixture was stirred for 24 hrs and quenched with water. The aqueous layer was extracted with ethyl acetate and the combined organic layer was washed with brine, dried over MgSO4, filtered through a pad of celite, and concentrated under reduced pressure. The residue was subjected to silica gel column chromatography with ethyl acetate/hexane (2/3) to afford the title product (diastereomeric mixture, ratio=7/1). Yield: 2.3 g (62%); yellow oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08871950B1 |
| Source dataset | uspto-grants-2014_10 |
| ORD ID | ord-d2f6332038334e429910410a3e7f6fe4 |
| Source note | uspto-grants-2014_10 |