4,5-dihydro-5-N,N-dimethylaminomethyl-5-methylthieno[2,3-b]thiophene-2-N-t-butylsulfonamide-6,6-dioxide 在
盐酸 作用下,
以
甲醇 、 trifluroacetic acid (TFA) 、
氯仿 为溶剂,
生成
4,5-dihydro-5-N,N-dimethylaminomethyl-5-methylthieno[2,3-b]thiophene-2-sulfonamide-6,6-dioxide hydrochloride