反应详情

The procedure described in Example 2 (step 2.1.) is used; starting from 4 g (19.89 mmol) of 2-(4-bromophenyl)ethanol, 6.3 g (23.87 mmol) of triphenylphosphine, 2.4 g (23.87 mmol) of 1,3-oxazolidine-2,4-dione and 4.8 g (23.87 mmol) of diisopropyl azodicarboxylate, 4.6 g of pure product are obtained in the form of a white solid, after chromatography on silica gel, eluting with dichloromethane.

1. customare obtained in the form of a white solid
2. washafter chromatography on silica gel, eluting with dichloromethane