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October 1, 2025Journal of the American Chemical SocietyOpen Access

Visible-Light-Induced Bond Homolysis in Titanacyclopentadienes for the Catalytic Cyclodimerization of Internal Alkynes

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Authors

MHMaxi L. HeldnerTKTobias KörnerCCCorinna Czernetzki

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Overview

This research reveals bond homolysis in titanacyclopentadienes for alkynes, suggesting new pathways in catalytic photochemistry.

Key Points

  • Visible-light-induced Ti–C bond homolysis is the rate-determining step for catalytic reactions.
  • Quantitatively obtained a unique dimer from 2-butyne through this remarkable catalytic method.
  • Mechanistic studies reveal how a bulky ligand enhances reaction selectivity while maintaining reactivity.
  • Investigation methods include quantum chemical calculations and reaction kinetics to understand the process better.

Cite This Study

Heldner et al. (2025) studied this question.

synapsesocial.com/papers/68dd91cffe798ba2fc498c58https://doi.org/10.1021/jacs.5c13492
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