反应详情

Obtained from Intermediate 40 (1.0 g, 2.85 mmol) by the procedure described in Intermediate 2. Purification by column chromatography with silica gel and n-hexane/ethyl acetate (from 10:1 to 5:1) as eluent gave the title compound (0.68 g, 82%) as oil,

1. customPurification by column chromatography with silica gel and n-hexane/ethyl acetate (from 10:1 to 5:1) as eluent