反应详情

The title compound is prepared by the procedure of Example 277 using 0.192 g of product from Example 338, 0.316 g of Hunig's base, 0.280 g of methanesulfonyl chloride and 0.35 ml of methylene chloride to give after chromatography (Silica gel: 30% ethyl acetate/hexane) 0.140 g of the desired product.