反应详情

Following a procedure similar to that described in Example 27, but using 880 mg of N-[2-(4-methoxycarbonylmethylphenoxy)-1(R)-methylethyl]-2(S)-t-butyldimethylsilyloxy-2-phenylethanamine (prepared as described in Preparation 32), 20 ml of tetrahydrofuran and 1.5 g of tetrabutylammonium fluoride, 0.5 g of the title compound was obtained as crystals, melting at 90°-91° C.