<p><b>四氫噻喃</b>是化學式 C<sub>5</sub>H<sub>10</sub>S的雜環化合物。
</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>四氫噻喃可以由1,5-二溴戊烷和硫化鈉反應而成：</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {Br{-}(CH_{2})_{5}{-}Br+Na_{2}S\longrightarrow } }">
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    <annotation encoding="application/x-tex">{\displaystyle \mathrm {Br{-}(CH_{2})_{5}{-}Br+Na_{2}S\longrightarrow } }</annotation>
  </semantics></math></span></span> <span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {C_{5}H_{10}S+2\ NaBr} }">
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    <annotation encoding="application/x-tex">{\displaystyle \mathrm {C_{5}H_{10}S+2\ NaBr} }</annotation>
  </semantics></math></span></span></dd></dl><p>它也可以由5-溴-1-戊硫醇和氫化鈉反應而成：</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {Br{-}(CH_{2})_{5}{-}SH+NaH\longrightarrow } }">
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    <annotation encoding="application/x-tex">{\displaystyle \mathrm {Br{-}(CH_{2})_{5}{-}SH+NaH\longrightarrow } }</annotation>
  </semantics></math></span></span> <span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {C_{5}H_{10}S+NaBr+H_{2}\ } }">
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    <annotation encoding="application/x-tex">{\displaystyle \mathrm {C_{5}H_{10}S+NaBr+H_{2}\ } }</annotation>
  </semantics></math></span></span></dd></dl><p>1,5-二氯戊烷和硫化鈉的反應也能得到四氫噻喃。</p>
<h2><span id=".E5.8F.8D.E5.BA.94"></span><span id="反应">反應</span></h2>
<p>四氫噻喃和溴乙酸反應，生成鋶鹽：</p><p>
</p>
<h2><span id=".E5.8F.82.E8.80.83.E8.B5.84.E6.96.99"></span><span id="参考资料">參考資料</span></h2>
**四氫噻喃**是化學式 C5H10S 的雜環化合物。

## 製備

四氫噻喃可以由 1,5 - 二溴戊烷和硫化鈉反應而成：

　
: $\mathrm {Br{-}(CH_{2})_{5}{-}Br+Na_{2}S\longrightarrow } $ $\mathrm {C_{5}H_{10}S+2\ NaBr} $

它也可以由 5 - 溴 - 1 - 戊硫醇和氫化鈉反應而成：

　
: $\mathrm {Br{-}(CH_{2})_{5}{-}SH+NaH\longrightarrow } $ $\mathrm {C_{5}H_{10}S+NaBr+H_{2}\ } $

1,5 - 二氯戊烷和硫化鈉的反應也能得到四氫噻喃。

## 反應

四氫噻喃和溴乙酸反應，生成鋶鹽：

## 參考資料
1613-51-0