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Åtkomst värdefulla ligand Stöd för Övergångsmetaller: En modifierad, Intermediate Skala Framställning av 1,2,3,4,5-Pentamethylcyclopentadiene
JoVE Journal
Chemistry
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JoVE Journal Chemistry
Accessing Valuable Ligand Supports for Transition Metals: A Modified, Intermediate Scale Preparation of 1,2,3,4,5-Pentamethylcyclopentadiene
DOI:

09:45 min

March 20, 2017

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Chapters

  • 00:05Title
  • 00:55Preparation for Intermediate-scale Lithium-halogen Exchange
  • 03:19Synthesis of an Isometric Mixture of 3,4,5-Trimethyl-2,5-heptadien-4-ols
  • 06:21Synthesis of 1,2,3,4,5-Pentamethylcyclopentadiene (Cp*H)
  • 08:00Results: Synthesis of Cp*H and Subsequent Use as a Starting Material for [Cp*MCl2]2 (M = Ru, Ir)
  • 09:07Conclusion

Summary

Automatic Translation

Reliable, intermediate scale preparation of 1,2,3,4,5-pentamethylcyclopentadiene (Cp*H) is presented. The revised protocol for the synthesis and purification of the ligand minimizes the need for specialized laboratory equipment while simplifying reaction workups and product purification. Use of Cp*H in the synthesis of [Cp*MCl2]2 complexes (M = Ru, Ir) is also described.

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