1: Boc-[(R)-Binol-22-C-6]-(R)-Bip-OMe With boron tribromide in dichloromethane T=20°C; 40 h; 2: methanol With thionyl chloride T=20°C; 96 h; Further stages.;
1: Boc-[(R)-Binol-22-C-6]-(R)-Bip-OMe With boron tribromide in dichloromethane T=20°C; 40 h; 2: methanol With thionyl chloride T=20°C; 96 h; Further stages.;
