V2EX tert-butyldimethylsilyl

Tert-butyldimethylsilyl

释义 Definition

叔丁基二甲基硅基(常缩写 TBDMSTBS):有机合成中常用的硅基保护基,最典型用途是把醇(OH)转化为较稳定的TBDMS 醚,以便在多步反应中“暂时保护”羟基不参与反应;之后可在适当条件下脱保护还原为醇。(该词也可指相应的取代基片段,而不特指某一种具体试剂。)

发音 Pronunciation (IPA)

/tt bjutl damθl slal/

例句 Examples

We protected the alcohol as a tert-butyldimethylsilyl ether.
我们把该醇保护成叔丁基二甲基硅醚。

After silylation with tert-butyldimethylsilyl chloride and imidazole, the product survived strong base and was later deprotected with fluoride.
用叔丁基二甲基硅氯(TBDMSCl)和咪唑进行硅基化后,产物在强碱条件下仍保持稳定,随后用氟离子试剂脱保护。

词源 Etymology

该词是化学命名的组合:tert- 表示“叔”(叔丁基结构),butyl 表示丁基,di- 表示“二”,methyl 表示甲基,silyl 表示“硅基取代基”。整体意思即“带一个叔丁基和两个甲基的硅基取代基”。在合成化学语境中常与“保护基/硅醚”一起出现。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Protective Groups in Organic Synthesis(Greene & Wuts):系统讨论 TBDMS/TBS 作为羟基保护基的引入与脱除条件。
  • Organic Chemistry(Clayden, Greeves & Warren):在多步合成与官能团互变章节中常以 TBDMS 作为典型硅醚保护实例。
  • March’s Advanced Organic Chemistry:在官能团保护与反应选择性相关内容中涉及 TBDMS 等硅基保护基。
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