反应详情

A solution of 9.75 g of 4-amino-3-hydroxybenzoic acid and 9.75 ml of triethylamine in 90 ml of dimethylformamide is heated to 80° C. 20 g of the N-hydroxysuccinimide ester of N-tert.-butoxycarbonylglycine are added and the reaction mixture is kept at 80° C for 4 hours.