反应详情

To a solution of tert-butyl N-(3′-hydroxybiphenyl-4-ylmethyl)carbamate (0.400 g), 4-benzyloxy-1-butanol (0.313 g) and triphenylphosphine (0.456 g) in tetrahydrofuran (6.7 mL) was added dropwise diisopropyl azodicarboxylate (40% toluene solution, 0.878 g), and the resulting mixture was stirred at room temperature for 75 minutes. The reaction mixture was concentrated under reduced pressure. The residue was purified by column chromatography on silica gel (eluent: dichloromethane/ethyl acetate=6/1) to give the title compound (0.551 g).

1. concentrationThe reaction mixture was concentrated under reduced pressure
2. customThe residue was purified by column chromatography on silica gel (eluent: dichloromethane/ethyl acetate=6/1)