... Chemistry The general approach for the synthesis of 4,5-disubstituted 2-acetylamino-1,3-thiazoles 7 is outlined in Chart 1. The 1 ... Pharmaceutical Research Division, Takeda Pharmaceutical Company, Ltd.; 2–17–85 Jusohonmachi, Yodogawa-ku, Osaka, 532–8686, Japan. ... Vol. ...