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Related Concept Videos

Olefin Metathesis Polymerization: Overview01:13

Olefin Metathesis Polymerization: Overview

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Recently, the development of olefin metathesis polymerization advanced the field of polymer synthesis. Simply put, the reorganization of substituents on their double bonds between two olefins in the presence of a catalyst is known as the olefin metathesis reaction. The use of metathesis reaction for polymer synthesis is called olefin metathesis polymerization.
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Olefin Metathesis Polymerization: Ring-Opening Metathesis Polymerization (ROMP)01:16

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Ring-opening metathesis polymerization or ROMP involves strained cycloalkenes as starting materials. The mechanism of ROMP proceeds by reacting cycloalkene with Grubbs catalyst to give metallacyclobutane intermediate which undergoes a ring-opening reaction to form new carbene. The new carbene reacts with another molecule of cycloalkene. Repetition of these steps leads to the formation of an unsaturated open-chain polymer product. All these steps are reversible, however, relieving the ring...
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Related Experiment Video

Updated: Mar 18, 2026

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
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Versatile ruthenium complexes based on 2,2'-bipyridine modified peptoids.

Maria Baskin1, Larisa Panz2, Galia Maayan1

  • 1Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa, 32000, Israel. gm92@tx.technion.ac.il.

Chemical Communications (Cambridge, England)
|June 29, 2016
PubMed
Summary
This summary is machine-generated.

Helical peptoids with 2,2'-bipyridine form ruthenium complexes. This binding altered peptoid structure and induced chirality in the ruthenium center, demonstrating novel metal-ligand interactions.

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Area of Science:

  • Supramolecular Chemistry
  • Coordination Chemistry
  • Polymer Science

Background:

  • Peptoids are peptide mimics with unique structural properties.
  • 2,2'-bipyridine is a common chelating ligand for transition metals.
  • Controlling metal complex conformation and chirality is crucial for catalysis and materials science.

Purpose of the Study:

  • To synthesize and characterize helical peptoids functionalized with 2,2'-bipyridine.
  • To investigate the formation of ruthenium complexes with these peptoids.
  • To explore the impact of ruthenium binding on peptoid conformation and chirality transfer.

Main Methods:

  • Synthesis of helical peptoids bearing 2,2'-bipyridine units.
  • Complexation reactions with ruthenium(II) precursors.
  • Spectroscopic and structural analyses to confirm complex formation and conformational changes.

Main Results:

  • Formation of ruthenium complexes through both intermolecular and intramolecular binding modes.
  • Observation of significant changes in peptoid conformational order upon ruthenium binding.
  • Successful chiral induction from the peptoid scaffold to the ruthenium metal center.

Conclusions:

  • Helical peptoids can effectively coordinate ruthenium ions.
  • Ruthenium complexation influences the conformational landscape of peptoids.
  • This system demonstrates a pathway for creating chiral metal complexes using peptoid scaffolds.