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Coordination Compounds and Nomenclature

Coordination Compounds and Nomenclature

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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Updated: Feb 8, 2026

Solid Phase Synthesis of a Functionalized Bis-Peptide Using "Safety Catch" Methodology

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Published on: May 15, 2012

Bis(alkylidynyl)arsines.

Benjamin J Frogley¹, Anthony F Hill¹

¹Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory ACT 2601, Australia. a.hill@anu.edu.au.

Chemical Communications (Cambridge, England)

|June 23, 2018

Summary

This summary is machine-generated.

Researchers synthesized novel bimetallic bis(alkylidynyl)arsines. These compounds, featuring metal-carbon bonds, were characterized, opening new avenues in organometallic chemistry.

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Area of Science:

Organometallic Chemistry
Inorganic Synthesis
Coordination Chemistry

Background:

Alkylidynyl complexes are versatile synthons in organometallic chemistry.
Bimetallic compounds offer unique reactivity and properties due to the presence of multiple metal centers.

Purpose of the Study:

To synthesize and characterize the first examples of bimetallic bis(alkylidynyl)arsines.
To explore a generalizable synthetic route for these novel compounds.

Main Methods:

Synthesis involved the reaction of tungsten precursors with organolithium reagents and phosphorus or arsenic chlorides.
Characterization techniques likely included NMR spectroscopy, mass spectrometry, and X-ray crystallography (though not explicitly stated in the abstract).

Main Results:

Successful synthesis and characterization of bimetallic bis(alkylidynyl)arsines with molybdenum (Mo) and tungsten (W) centers.
A potentially generalizable synthetic route was established for the tungsten complexes, involving key intermediates.

Conclusions:

The study reports the first instances of bimetallic bis(alkylidynyl)arsines.
A viable synthetic pathway was developed, paving the way for further exploration of related compounds.