Riefly, benzotriazol-1-yloxy-tris (dimethylamino) phosphonium hexafluorophosphate (BOP) (1.two eq) in dichloromethane (CH2Cl2) (5 mL) was added
Riefly, benzotriazol-1-yloxy-tris (dimethylamino) phosphonium hexafluorophosphate (BOP) (1.two eq) in dichloromethane (CH2Cl2) (5 mL) was added to a mixture of caffeic acid (one hundred mg). To this solution, R-NH2 (1.2 eq)…