反应详情

The title compound prepared by the procedure of Example 27 using 0.462 g of product from Example 12 in 4 ml of dry tetrahydrofuran, 0.147 g of washed 50% sodium hydride and 1.03 g of product from Example 26 in 4 ml of dry tetrahydrofuran. The residue is purified by column chromatography (silica gel: 35% ethyl acetate/hexane) to give 0.178 g of the desired product as a yellow oil which crystallized on standing.