V2EX thionyl

Thionyl

释义 Definition

thionyl亚硫酰(化学名词),指含有 SO 的二价基团,常见于化合物如亚硫酰氯(thionyl chloride, SOCl)中;也可泛指与该基团相关的化学结构或衍生物。(在更广义语境下,有时也会涉及含硫-氧相关的官能团命名。)

发音 Pronunciation

/θanl/

例句 Examples

Thionyl chloride is used to make acyl chlorides.
亚硫酰氯常用于制备酰氯。

Under controlled conditions, a thionyl group can facilitate chlorination while releasing sulfur dioxide as a byproduct.
在受控条件下,亚硫酰基团可促进氯化反应,同时释放二氧化硫作为副产物。

词源 Etymology

thionyl 来自化学命名传统:thio- 表示“硫”(源自希腊语 theion,意为硫/与硫有关),后缀 -yl 常用于表示“基团/取代基”。因此 thionyl 字面上可理解为“含硫的某种基团”,在现代化学中具体指 SO(亚硫酰) 这一结构。

相关词 Related Words

文学与著作 Literary Works

  • Organic Chemistry(Clayden, Greeves & Warren)常在讨论用 thionyl chloride 将醇转化为氯代烷、将羧酸转化为酰氯时出现相关术语。
  • March’s Advanced Organic Chemistry(Carey & Sundberg)在卤化试剂与反应机理章节中常提及 thionyl 相关试剂与机理描述。
  • Vogel’s Textbook of Practical Organic Chemistry 在实验操作与试剂章节中常出现 thionyl chloride 等含 thionyl 的试剂名称。
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