SEARCH Articles Figures Tables 2- thiazole synthesis 2- thiazoles, syntheses Hantzsch Hantzsch synthesis Hantzsch synthesis of thiazoles Hantzsch thiazole synthesis Hantzsch thiazole) Hantzschs Synthesis Racemization Hantzsch thiazole synthesis Thiazole amino acids Hantzsch synthesis Thioamides Hantzsch thiazole synthesis