反应详情

Obtained from Intermediate 29 (5.55 g, 32.2 mmol) by the procedure described in Intermediate 3. Purification by column chromatography with silica gel and n-hexane/ethyl acetate (from pure n-hexane to 10:1) as eluent gave the title compound (10.99 g, 100%) as oil.

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