The content on our website is provided solely for general informational purposes.  It should not be considered, nor is it intended to provide advice or recommendations for the purchase, sale, or trade of any products or services.  Importantly, the information presented does not constitute an offer to sell or a solicitation of an offer to buy any product.

Please be aware that the availability of our products may vary across different markets due to regulatory restrictions or other considerations. Consequently, not all products or services may be available in your region or country. For specific inquiries regarding the availability and pricing of any product, please contact us at

General information

  • Name: TPE-CA
  • Full name: 4,4′-(1,2-Diphenylethene-1,2-diyl)dibenzoic acid
  • CAS number: 1002339-79-8
  • Chemical formula: C28H20O4
  • Molecular weight: 420.46 g/mol
  • Absorption: N/A
  • Photoluminescence: N/A
  • Synonyms: -
  • Classification: Metal organic framework materials (MOF), Covalent organic framework materials (COF), Aggregation-induced emission layer materials (AIE)
  • Purity: >98.0% (HPLC)
  • Melting point: N/A
  • Appearance: Solid

TPE-CA: A Cornerstone in Chiral Catalysis and Photoresponsive Technologies

In the dynamic realm of organic chemistry, TPE-CA emerges as a compound of significant interest due to its dual functionality in asymmetric catalysis and as a photoresponsive material. Its unique molecular structure and high enantioselectivity position it as a valuable asset in the synthesis of chiral molecules and the development of advanced optoelectronic devices.

Deciphering the Molecular Complexity of TPE-CA

TPE-CA, with its full name 4,4′-(1,2-Diphenylethene-1,2-diyl)dibenzoic acid, is a dicarboxylic acid derivative. This molecular arrangement is not only intriguing for its chiral ligand capabilities but also for its photoresponsive properties, which are critical in a variety of chemical processes.

Key Features of TPE-CA

  • Chiral Ligand for Asymmetric Catalysis: Leveraging its chiral structure, TPE-CA has been utilized in asymmetric catalytic reactions, such as hydrogenation and epoxidation, to achieve high enantioselectivity in the synthesis of chiral compounds.
  • Photoresponsive Material: TPE-CA’s ability to undergo reversible photoisomerization upon exposure to UV and visible light opens doors to its application in optical storage and molecular switches.
  • Aggregation-Induced Emission (AIE) Phenomenon: The AIE characteristic of TPE-CA makes it a promising candidate for the development of fluorescent chemosensors and other optoelectronic materials.

The Versatility of TPE-CA in Material Science

TPE-CA’s applications extend into the design of MOFs and COFs, where its structural stability and reactive sites are essential for constructing frameworks with potential uses in gas storage, separation technologies, and drug delivery systems.


TPE-CA stands at the crossroads of innovation in both the field of asymmetric catalysis and optoelectronics. Its synthesis and applications reflect the ongoing quest for materials that not only push the boundaries of current technology but also offer new pathways for scientific discovery and industrial application. As research progresses, the role of TPE-CA in advancing material science continues to grow, promising exciting developments for the future.

Any questions? Contact us!