反应详情

The title compound is prepared by the procedure of Example 27 using 9.4 g of product from Example 20, 3.87 g of product from Example 12, 1.24 g of 50% sodium hydride and 130 ml of dry tetrahydrofuran. The reaction is stirred at room temperature for 31/2 hours. The residue is purified by column chromatography (silica gel:60-100% ethyl acetate/hexane) to give 9.42 g of the desired product as colorless crystals.

1. customThe residue is purified by column chromatography (silica gel:60-100% ethyl acetate/hexane)