1'-acetyl-3,3-dimethyl-3,4-dihydro-6-(1,1-dimethylethyl)-8-iodospiro[2H-1,3-benzoxazinium-2,4'-piperidine]iodide 在
盐酸 作用下,
以
乙醇 为溶剂,
反应 1.5h,
以62%的产率得到6-(1,1-dimethylethyl)-3,4-dihydro-8-iodo-3,3-dimethylspiro<2H-1,3-benzoxazinium-2,4'-piperidine> chloride hydrochloride