N-benzyl-2-(5-bromopentanamido)-4-methylthiazole-5-carboxamide 、
N-benzyl-2-(4-bromobutanamido)-4-methylthiazole-5-carboxamide 以the title compound was obtained as a white solid in 35% yield的产率得到N-benzyl-4-methyl-2-(2-oxopiperidin-1-yl)thiazole-5-carboxamide