反应详情

Following a procedure similar to that described in Example 27, but using 3.02 g of N-[2-(4-methoxycarbonylmethylphenoxy)-1(R)-methylethyl]-2(R)-t-butyldimethylsilyloxy-2-(3-chlorophenyl)ethanamine (prepared as described in Preparation 50), 4.81 g of tetrabutylammonium fluoride and 100 ml of tetrahydrofuran, 1.7 g of the title compound were obtained having an Rf=0.39 (thin layer chromatography over silica gel, using ethyl acetate as the developing solvent). [α]D23 -13.2° (c=0.99, methanol).