Synthesis of 2-(2-Dialkylamino-4H-3,1-benzothiazin-4-yl)acetic Acid Derivatives and 2-(2-Thioxo-1,2,3,4-tetrahydroquinazolin-4-yl)acetic Acid Derivatives - Fukamachi, Shuhei; Konishi, Hisatoshi; Kobayashi, Kazuhiro (Synthesis, 2010)