Sodium hydride → (5R)-5-(2,2-Dimethyl-4H-1,3-benzodioxin-6-yl)-3-[2-(4-{2-[(4-isopropoxybenzyl)oxy]ethoxy}phenyl)ethyl]-1,3-oxazolidin-2-one

Participants

Reaction Steps

A solution of (4-isopropoxyphenyl)methanol (93 mg) in DMF (2 ml) was treated with sodium hydride (27 mg) under nitrogen and stirred for 0.5 h. To this was added the 2-(4-{2-[(5R)-5-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-2-oxo-1,3-oxazolidin-3-yl]ethyl}phenoxy)ethyl methanesulfonate (357 mg) {Example 15 i)} and the resulting solution was stirred for 18 h under nitrogen. The solution was then diluted in EtOAc, washed with water, dried (MgSO4) and concentrated in vacuo. The residue was purified by chromatography (Biotage, 40 g) eluting with 40-60° C. petroleum ether-EtOAc (2:1) to give the title compound (156 mg). LCMS RT=3.76 min.

Provenance & Evidence