The thiophane ring was established via reduction of hemiacetal, mesylation of diol, and double SN2 substitution of dimesylate.
经
的还原，甲磺酸酯化，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.
经的还原，甲磺酸酯化，硫代关环，构建四氢噻吩环；
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