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n-杂环卡本的光生成在光致环开环转移聚合中的应用
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JoVE 신문 화학
Photogeneration of N-Heterocyclic Carbenes: Application in Photoinduced Ring-Opening Metathesis Polymerization
DOI:

12:19 min

November 29, 2018

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Chapters

  • 00:04Title
  • 01:12Synthesis of 1,3-Dimesitylimidazolium Tetraphenylborate (IMesH+BPh4)
  • 02:49Photogeneration of 1,3-Dimesitylimidazol-2-ylidene (IMes) and Formation of the 1,3-Dimesitylimidazolium-2-dithiocarboxylate Adduct (IMes-CS2)
  • 04:13Spectrophotometric Titration of Photogenerated IMes
  • 06:12Photoinduced Ring-Opening Metathesis Polymerization (PhotoROMP) of Norbornene (NB) in Miniemulsion
  • 09:29Results: Characterization of N-Heterocyclic Carbene (NHC) Products
  • 11:35Conclusion

Summary

자동 번역

我们描述了一种通过对 2-异丙基硫氧基硫代氧基/四苯基苯二酰氧基盐体系的紫外辐射对 n-杂环炭出 (nhc) 进行光化的方案。提出了光致 nhc 的表征方法, 并阐明了光化学机理。环开物转移光聚合协议在溶液和微乳液中说明了这种2组分 nhc 光耗能系统的潜力。

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