hydrogen; palladium on activated charcoal in ethanol T=100°C; P=6080 Torr; 24 h;

1: 1-((2-(2-(2-(2-(2-(2-(2-(benzyloxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)ethoxy)methyl)benzene With hydrogen; palladium on activated charcoal in methanol P=760 Torr; 2: p-toluenesulfonyl chloride With 4-(N,N-dimethlyamino)pyridine; triethylamine in dichloromethane T=20°C; 1 h;