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Release Date:9/29/2026 3:46:00 PM

At the heart of every high-performance coordination material lies a well-designed ligand. For decades, 2,2':6',2''-terpyridine (tpy) has stood as one of the most versatile tridentate scaffolds in modern chemistry — capable of chelating transition-metal ions (Ru, Fe, Os, Ir, Zn and more) into stable octahedral complexes with predictable geometry and tunable electronic structure.

Now Shanghai UCHEM Inc. offers a complete family of 4,4',4''-trisubstituted terpyridine derivatives, giving researchers a modular toolkit to fine-tune solubility, electronic properties, anchoring capability and downstream functionalization — all built upon a single, well-defined platform.

One Scaffold, Six Functional Handles

Because substitution at the 4,4',4''-positions is electronically conjugated with the pyridine nitrogen donors, the choice of R-group directly modulates the HOMO–LUMO gap, redox potential and photophysical behavior of the resulting metal complexes. UCHEM's series spans the full range — from the parent ligand to carboxyl-, ester- and hydroxyl-functionalized building blocks:

#

Product Name

R Group

CAS No.

Key Feature

1

2,2':6',2''-Terpyridine

H

1148-79-4

The parent ligand — essential reference and starting point

2

4,4',4''-Tri-tert-butyl-2,2':6',2''-terpyridine

tBu

115091-29-7

Greatly enhanced solubility + electron-donating stabilization

3

4,4',4''-Trimethyl-2,2':6',2''-terpyridine

Me

33354-75-5

Fine electronic tuning with minimal steric penalty

4

2,2':6',2''-Terpyridine-4,4',4''-tricarboxylic acid

COOH

216018-58-5

Anchoring group for DSSC & MOF linkers; water-processable

5

Trimethyl 2,2':6',2''-terpyridine-4,4',4''-tricarboxylate

COOMe

330680-46-1

Convenient protected precursor, readily hydrolyzed to the acid

6

2,2':6',2''-Terpyridine-4,4',4''-triyltrimethanol

CH₂OH

1309964-61-1

Reactive hydroxyl handle for further derivatization

 

Where These Ligands Shine

Terpyridine-metal complexes are workhorses across disciplines. UCHEM's trisubstituted derivatives are designed for:

  • Optoelectronic materials — phosphorescent emitters and charge-transport materials for OLEDs and light-emitting electrochemical cells
  • Photocatalysis — water splitting, CO₂ reduction and visible-light organic transformations
  • Dye-sensitized solar cells (DSSC) — carboxyl-functionalized ligands anchor firmly to TiO₂ surfaces
  • Supramolecular chemistry — metallo-grids, helicates, coordination cages and metal-organic frameworks (MOFs)
  • Sensing & bioimaging — luminescent probes for metal ions and biomolecules
  • Electrochromic and energy-storage materials — redox-active metallopolymers

 

Why Choose UCHEM

  • Deep heterocyclic expertise — UCHEM specializes in pyridine, bipyridine, terpyridine, phenanthroline, pyrimidine, imidazole and thiophene chemistry, serving photoelectric conversion materials, pharmaceuticals and agrochemicals
  • Custom synthesis & scale-up — from laboratory grams to pilot and commercial kilograms, including tailored substitution patterns
  • Reliable quality — every batch released with a Certificate of Analysis (COA), supported by full analytical documentation
  • Responsive technical support — our chemists work with you to match the right ligand to your application

 

Let's Build Your Next Material Together

Whether you are engineering a new emitter, optimizing a photocatalyst, or assembling a supramolecular architecture, UCHEM's terpyridine platform gives you the precision and reliability your research demands.

 

Request a sample or quotation today.

 

Shanghai UCHEM Inc.(上海钰康生物科技有限公司)

Tel / Fax: +86-21-56762820

Email: sales@myuchem.com

Web: en.uchemchemicals.cn

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