1: With polystyrene-based selenenyl bromide resin in dichloromethane T=0 - 25°C; 0.333333 h; 2: With dihydrogen peroxide in tetrahydrofuran T=25°C; 0.333333 h; Further stages.;

aminocoumarin acyl ligase NovL; adenosine 5'-triphosphoric acid; magnesium chloride; ascorbic acid powder T=30°C; 0.75 h; Enzymatic reaction;