反应详情

Obtained from Intermediate 82 (1.86 g, 8.7 mmol) by the procedure described in Intermediate 14. Purification by column chromatography with silica gel eluting with ethyl acetate/n-hexane (1:6) gave the title compound (1.24 g, 53%) as oil.

1. customPurification by column chromatography with silica gel eluting with ethyl acetate/n-hexane (1:6)