2-(1-Methoxycarbonyl-1-methyl-ethyl)-4-methyl-6H-[1,3]thiazine-5-carboxylic acid ethyl ester 在
aluminium amalgam 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以88%的产率得到2-(1-Methoxycarbonyl-1-methyl-ethyl)-4-methyl-3,6-dihydro-2H-[1,3]thiazine-5-carboxylic acid ethyl ester