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New and unexpected uses for heterocyclic amine ligands - especially the metal complexes generated using phenanthroline and bipyridine chemistries - have made this family of reagents more popular than ever. Some of the many applications include Fiber optics Thin films and coatings Sensors Metal-organic frameworks.
The first crude heterocyclic amines that were derived over 100 years ago reflected a technical grade of purity that was sufficient to exploit their reversible electronic behavior. Eventually, they were part of a group of very sensitive, high-potential oxidation-reduction indicators that were invaluable in the pre-instrument analytical era.
Unfortunately, the outstanding synthetic abilities of the "early" analytical chemists have been mostly forgotten. That expertise, for example, allowed the investigation of over 100 derivatives of 1,10-phenanthroline. As a result of this work, there is now available a series of oxidation-reduction indicators covering the potential range 0.85 to 1.25 volts in small steps.
Many of these organic bases and their ferrous derivatives (as sulfate and perchlorate salts) became valuable commercial products first offered by GFS. The investigation of the phenanthrolines and bipyridines by G. Frederick Smith also led to a number of novel colorimetric reagents, especially for iron and copper.
Historically, triazines have seen decades of use as versatile indicating ligands. Closely related to the bipyridines, compounds like 2,4,6-tripyridyl-1,3,5-triazine (TPTZ) were introduced by GFS as reagents for iron and other common metal ions.
More recently, this ligand technology explosion has been accompanied by a demand for higher material purity and more elaborate chemical characterization. The long-standing GFS commitment to the development of this product line, including high purity metal complexes, will continue - let us know how we can address your specific needs for heterocyclic amine compounds.
An example of the new generation of multi-pyridyl ligands that are finding novel applications in solid state chemistry is TPT [2,4,6-tris-(4-pyridyl)-1,3,5-triazine]. Its incorporation into bridged-metal configurations can impact research in magnetic, luminescent, porous, and catalytic materials. TPT is an essentially planar ligand that enables the construct of unusual and highly symmetrical polynuclear complexes and metal-organic frameworks.
In a complementary technology, the ability of ruthenium complexes to act as photo-stable fluorophores is a feature that can be incorporated into polymeric substrates derived from sol-gel, polyamide, or other polymer technologies.
For more background on the classical GFS amine ligands, go to www.gfschemicals.com.
GFS Chemicals can provide: Single-ring systems Polycyclic/fused ring systems Including:Spiro-ring systems
Company Name: GFS Chemicals Address 1: PO Box 245 City: Powell State: OH Zip: 43065 Country: US Phone: 8008589682 URL: www.gfschemicals.com
Contact Name: Liza Tallon Title: Director of Marketing E-mail: liza@gfschemicals.com Company Information: Name: GFS Chemicals, Inc. Address: 3041 Home Rd., P.O. Box 245 City: Powell State: OH ZIP: 43065 Country: USA Phone: 740-881-5501 FAX: 740-881-5989 http://www.gfschemicals.com/
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