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N oluşur Carbenes Photogeneration: Photoinduced yüzük-açılış sentezde polimerizasyon uygulamada
JoVE Journal
Chemistry
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JoVE Journal Chemistry
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

Automatic Translation

2-isopropylthioxanthone/imidazolium tetraphenylborate tuz sistem UV ışınlama tarafından photogenerate N oluşur carbenes (NHCs) bir iletişim kuralına açıklar. Photoreleased NHC karakterize ve fotokimyasal mekanizması aydınlatmak için yöntemler önerilmektedir. Yüzük-açılış sentezde photopolymerization çözüm ve miniemulsion iletişim kuralları bu 2-bileşen NHC photogenerating sistemi potansiyelini göstermektedir.

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