反应条件
1: sodium azide; (3S,5S)-5-{(1R,3S)-1-bromo-3-{[4-methoxy-3-(3-methoxypropoxy)phenyl]methyl}-4-methylpentyl}-dihydro-3-(1-methylethyl)furan-2(3H)-one in N,N'-dimethyl-N,N'-propyleneurea T=75 - 80°C; 4 h; 2: 3-amino-2,2-dimethylpropionic acid amide With 2-hydroxy-pyridine; triethylamine T=85 - 90°C; 15 h; 3: With hydrogen; palladium on activated charcoal in isopropyl alcohol 3 h;
