反应详情

The procedure is the same as for Example 1 (Stage 1.2) starting from 2.00 g (9.94 mmol) of tert-butyl (R)-3-(hydroxymethyl)pyrrolidine-1-carboxylate (commercial), 2.00 g (13.91 mmol) of naphth-2-ol, 3.90 g (14.91 mmol) of triphenylphosphine and 3.01 g (14.91 mmol) of diisopropyl azodicarboxylate. 1.75 g of product are obtained in the form of an oil after purification on a column of silica gel, elution being carried out with dichloromethane.