反应详情

The procedure described in Example 5 (step 5.2) is used. Starting with 0.801 g (3.12 mmol) of 2-[1-(4-isoquinolyl)-4-piperidyl]ethanol, prepared in step 7.1, 0.902 g (3.44 mmol) of triphenylphosphine, 0.379 g (3.75 mmol) of 1,3-oxazolidine-2,4-dione and 0.632 g (3.12 mmol) of diisopropyl azodicarboxylate (DIAD), and after chromatography on silica gel, eluting with a 98/2 mixture of dichloromethane and methanol, 1 g of product is obtained in the form of a green paste.

1. washafter chromatography on silica gel, eluting with a 98/2 mixture of dichloromethane and methanol