;
;The thiophane ring was established via reduction of hemiacetal, mesylation of diol, and double SN2 substitution of dimesylate.
经半缩醛的还原，甲磺酸
化，硫代关环，构建四氢噻吩环；
The thiophane ring was established via reduction of hemiacetal, mesylation of diol, and double SN2 substitution of dimesylate.
经半缩醛的还原，甲磺酸化，硫代关环，构建四氢噻吩环；
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