反应详情

Prepared by the general method of Example 1 using as starting material 5(R)-hydroxymethyl-3-(4-morpholino-3-fluoro-phenyl)oxazolidin-2-one (WO95/07271; 300 mg, 1.01 mmol), 3-hydroxyisoxazole (95 mg, 1.12 mmol), diisopropylazodicarboxylate (225 mg, 1.11 mmol) and triphenylphosphine (305 mg, 1.16 mmol) in THF (5 ml). Purified by flash chromatography (Merck 9385 silica. EtOAc/isohexane (7/3)) to give the title compound (254 mg, 69%) as a colourless solid.

1. customPrepared by the general method of Example 1 using
2. customPurified by flash chromatography (Merck 9385 silica. EtOAc/isohexane (7/3))