Rapid and efficient synthesis of 2,2-dimethylaminobenzazoles and 2,2-dimethylaminoazoles in a sustainable way

Reactions of 2–aminophenol, 2–aminobenzenethiol and other 2–substituted anilines (Scheme 1), ethylene amines and amino acid containing 1,2 amino hydroxy groups (Scheme 3) with TBTU [2–(1H–benzotria...