Lipophilic Re(CO)3pyca complexes for Mid-IR imaging applications
Briana R Schrage1, Baylee R Frisinger1, Sarah J Schmidtke Sobeck2
1Department of Chemistry, University of Akron, Akron, Ohio 44312-3601, USA. ziegler@uakron.edu.
Dalton Transactions (Cambridge, England : 2003)
|December 28, 2020
Summary
Researchers synthesized novel rhenium(i) pyca conjugates with long aliphatic amines. The C14 variant showed potential as an organometallic IR dye, successfully incorporating into lipid vesicles.
Area of Science:
- Organometallic Chemistry
- Materials Science
- Biophysical Chemistry
Background:
- Rhenium complexes offer unique photophysical properties.
- Organometallic dyes are explored for advanced imaging applications.
- Functionalized ligands are crucial for tuning complex behavior.
Purpose of the Study:
- Synthesize novel rhenium(i) pyca conjugates with varying aliphatic chain lengths.
- Investigate the potential of these complexes as organometallic infrared (IR) dyes.
- Evaluate the incorporation of a selected rhenium complex into biological membranes.
Main Methods:
- One-pot synthesis of rhenium(i) pyca conjugates.
- Full characterization using spectroscopic techniques.
- Single crystal X-ray diffraction for structural elucidation.
- Fourier-transform infrared (FTIR) microscopy for membrane incorporation studies.
Main Results:
- Successfully synthesized and characterized several Re(i)pyca conjugates.
- Determined the crystal structures of seven compounds.
- The C14 variant demonstrated promising characteristics for an organometallic IR dye.
- Observed successful incorporation of the C14 rhenium complex into large unilamellar vesicles (LUVs) composed of DOPC.
Conclusions:
- Novel Re(i)pyca conjugates can be efficiently synthesized.
- The C14 derivative is a viable candidate for organometallic IR dye applications.
- Rhenium complexes can be successfully integrated into lipid bilayers for potential sensing or imaging.
