“…Yavari et al , reported the preparation of alkyl 2‐[2‐(aryl carbonylimino)‐3‐aryl‐4‐oxo‐1,3‐thiazolan‐5‐yiel‐dne]acetates 124a , 124b , 124c , 124d , 124e , 124f , 124g , 124h , 124i , 124j , 124k , 124l , 124m via the reactions between 1‐ary‐3‐aryl carbonylthioureas 123a , 123b , 123c , 123d , 123e , 123f , 123g , 123h , 123i , 123j , 123k and dialkyl acetyl‐enedicarboxylates 1a , 1b in dichloromethane at ambient temperature (Scheme ).…”