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以2-甲基硫代苯胺为原料,通过酰化反应、碘环化反应合成了3-碘-5-甲基-1,5-苯并硫氮杂(艹卓)-4(5H)-酮,总收率86.3%,其结构经NMR,IR和MS表征.“,”3-Iodo-5-methyl-1,5-benzothiazepin-4(5H)-one in total yield of 86.3% was synthesized through acylation reaction and iodo-cyclization reaction from 2-(methylthio)aniline.The structure was characterized by NMR,IR and MS.