V2EX thioacetalization

Thioacetalization

释义 Definition

硫缩醛化(反应):有机化学中的一种反应/保护策略,用硫醇(thiol)在酸催化等条件下把醛或酮转化为硫缩醛/硫缩酮(thioacetal/thioacetal ketal),常用于保护羰基或进行后续转化(例如与还原条件配合实现“去氧”相关转化)。

发音 Pronunciation (IPA)

/θaostlzen/

例句 Examples

Thioacetalization protects the aldehyde during the reaction.
硫缩醛化可以在反应过程中保护醛基不被破坏。

In the synthesis, thioacetalization of the ketone was followed by selective transformations that would have been incompatible with a free carbonyl group.
在该合成路线中,先对酮进行硫缩醛化,然后再进行一些选择性转化;这些步骤若羰基保持游离状态往往不相容。

词源 Etymology

thio- 来自希腊语词根,表示“硫”;acetal 指“缩醛”(由羰基与醇形成的衍生物);后缀 -ization 表示“……化/……的过程”。合起来即“把羰基转变为含硫的缩醛结构的过程”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Protective Groups in Organic Synthesis(Greene & Wuts):在羰基保护章节中讨论硫缩醛化及其脱保护策略。
  • March’s Advanced Organic Chemistry:在羰基化学与衍生物部分涉及硫缩醛/硫缩酮的形成与反应性。
  • Organic Chemistry(Clayden, Greeves & Warren):在官能团互变与保护基思路中提到硫缩醛化的用途与条件。
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