Regio-Controlled Nucleophilic Attack of 3-Thiaisatoic Anhydride by α-Amino Acids: One-Pot Synthesis of 3-(2-Thienyl)imidazolidine-2,4-dione and 3,4-Substituted Thieno[2,3-e][1,4]diazepine-2,5-dione Analogues - Brouillette, Yann; Sujol, Guillaume; Martinez, Jean; Lisowski, Vincent (Synthesis, 2009)