Reaction catalyzed by thiamine pyridinylase (2.5.1.2)

		+			=			+
	O-S-diacetylthiamine	+		aniline	=		1-acetyl-4-methyl-5-(2-hydroxyethyl-O-acetyl)-thiazole	+		5-(anilinomethyl)-2-methylpyrimidin-4-amine