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Related Concept Videos

Preparation and Reactions of Thiols02:33

Preparation and Reactions of Thiols

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Thiols are prepared using the hydrosulfide anion as a nucleophile in a nucleophilic substitution reaction with alkyl halides. For instance, bromobutane reacts with sodium hydrosulfide to give butanethiol.
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Structural Isomerism02:34

Structural Isomerism

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Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can...
19.3K
Preparation and Reactions of Sulfides02:26

Preparation and Reactions of Sulfides

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Sulfides are the sulfur analog of ethers, just as thiols are the sulfur analog of alcohol. Like ethers, sulfides also consist of two hydrocarbon groups bonded to the central sulfur atom. Depending upon the type of groups present, sulfides can be symmetrical or asymmetrical. Symmetrical sulfides can be prepared via an SN2 reaction between 2 equivalents of an alkyl halide and one equivalent of sodium sulfide.
4.9K

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The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
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Phosphine/thiolate-containing dinitrosyl cobalt complexes (DNCCs): synthesis, characterization, interconversion,

Wen-Chieh Chang1, Wan-Tin Du1, Yi-Xuan Lin1

  • 1Department of Chemistry, Tamkang University, Tamsui, New Taipei City 25137, Taiwan. chsieh@mail.tku.edu.tw.

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New cobalt carbonyl/nitrosyl complexes were synthesized and characterized. Complex 4 demonstrated effective nitric oxide (NO) transfer capabilities, showcasing its potential in chemical reactions.

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Area of Science:

  • Inorganic Chemistry
  • Organometallic Chemistry
  • Coordination Chemistry

Background:

  • Cobalt carbonyl complexes are versatile precursors in organometallic synthesis.
  • Nitrosyl ligands (NO) play crucial roles in coordination chemistry and catalysis.
  • Understanding ligand exchange and reactivity is key to designing new metal complexes.

Purpose of the Study:

  • To synthesize and characterize novel cobalt carbonyl/nitrosyl complexes.
  • To investigate the ligand exchange reactions involving these complexes.
  • To evaluate the nitric oxide (NO) transfer capabilities of the synthesized complexes.

Main Methods:

  • Synthesis of cobalt complexes via reactions of (CO)3Co(NO) with triphenylphosphine (PPh3).
  • Ligand exchange reactions to introduce thiophenolate ligands.
  • Characterization using IR spectroscopy and X-ray single-crystal diffraction.
  • Evaluation of NO transfer using [Fe(TPP)Cl] as a catalyst.

Main Results:

  • Four new cobalt carbonyl/nitrosyl complexes (1-5) were successfully synthesized.
  • Isoelectronic replacement of CO with NO+ led to cationic complex formation.
  • Thiophenolate ligand incorporation was achieved through ligand exchange.
  • Complex 4 showed significant nitric oxide (NO) transfer activity.

Conclusions:

  • The study successfully synthesized and characterized a series of cobalt carbonyl/nitrosyl complexes.
  • Ligand exchange reactions provide a viable route to functionalized cobalt complexes.
  • Complex 4 exhibits promising NO transfer properties, suggesting potential catalytic applications.