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In most main group element compounds, the valence electrons of the isolated atoms combine to form chemical bonds that satisfy the octet rule. For instance, the four valence electrons of carbon overlap with electrons from four hydrogen atoms to form CH4. The one valence electron leaves sodium and adds to the seven valence electrons of chlorine to form the ionic formula unit NaCl (Figure 1a). Transition metals do not normally bond in this fashion. They primarily form coordinate covalent bonds, a...
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Synthetic Methodology for Asymmetric Ferrocene Derived Bio-conjugate Systems via Solid Phase Resin-based Methodology
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Coordination polymers containing ferrocene backbone. Synthesis, structure and electrochemistry.

Vadapalli Chandrasekhar1, Ramalingam Thirumoorthi

  • 1Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, 208 016, India. vc@iitk.ac.in

Dalton Transactions (Cambridge, England : 2003)
|February 25, 2010
PubMed
Summary
This summary is machine-generated.

This study synthesizes novel organotin/ferrocene hybrid coordination polymers. These materials form unique macrocyclic structures and one-dimensional chains, showing potential for advanced applications.

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Area of Science:

  • Organometallic Chemistry
  • Coordination Polymers
  • Materials Science

Background:

  • Ferrocene derivatives are versatile building blocks in coordination chemistry.
  • Organotin compounds offer diverse coordination modes and structural possibilities.
  • Hybrid materials combining ferrocene and organotin moieties are underexplored.

Purpose of the Study:

  • To synthesize and characterize novel heterobimetallic compounds and coordination polymers.
  • To investigate the coordination behavior of 1,1'-ferrocenedicarboxylic acid with organotin precursors.
  • To explore the structural diversity and properties of resulting organotin/ferrocene hybrid materials.

Main Methods:

  • Reaction of 1,1'-ferrocenedicarboxylic acid with various bis(organotin) oxides and hydroxides.
  • Crystallographic analysis to determine the structures of molecular compounds and coordination polymers.
  • Electrochemical studies to investigate the redox properties of the hybrid systems.

Main Results:

  • Formation of a molecular heterobimetallic compound [(Ph(3)Sn)(2)L] with anisobidentate coordination.
  • Synthesis of 2D-coordination polymers [(Me(3)Sn)(2)L](n) and [(n-Bu(3)Sn)(2)L](n) featuring 24-membered macrocycles.
  • Construction of 1D-coordination polymers using ditopic nitrogen ligands, incorporating ferrocenyl and organotin units.

Conclusions:

  • 1,1'-Ferrocenedicarboxylic acid serves as a versatile linker for constructing diverse organotin/ferrocene coordination architectures.
  • The coordination polymers exhibit interesting structural motifs, including macrocycles and linear chains.
  • These hybrid materials display electrochemical activity, suggesting potential applications in redox-active systems.