Publication details for Dr Robert PalClarke, Rebecca, Ho, Kin Lok, Alsimaree, Abdulrahman Abdullah, Woodford, Owen J., Waddell, Paul G., Bogaerts, Jonathan, Herrebout, Wouter, Knight, Julian G., Pal, Robert, Penfold, Thomas J. & Hall, Michael J. (2017). Circularly Polarised Luminescence from Helically Chiral “Confused” N,N,O,C-Boron-Chelated Dipyrromethenes (BODIPYs). ChemPhotoChem 1(11): 513-517.
- Publication type: Journal Article
- ISSN/ISBN: 2367-0932 (print)
- DOI: 10.1002/cptc.201700106
- Further publication details on publisher web site
- Durham Research Online (DRO) - may include full text
Author(s) from Durham
Chiral organic fluorophores have significant promise in the development of efficient emitters of circularly polarized light. Herein we describe a helically chiral boron dipyrromethene (BODIPY) with a hitherto unreported N,N,O,C-boron-chelation motif, synthesised by means of a one-pot boron metathesis, nucleophilic aromatic substitution (SNAr), Suzuki coupling, boron chelation, cascade reaction. Resolution of the racemic BODIPY (by preparative HPLC on a chiral stationary phase) allowed examination of the chiroptical properties of the resulting enantiomers (λmax(abs)=593 nm, λmax(em)=622 nm, ϵ=30 000 m−1 cm−1, φF=0.49, |glum|=3.7×10−3 (hexane)). This is the first example of circularly polarised emission from a non-C2-symmetric helically chiral N,N,O,C-BODIPY and as such provides a valuable benchmark for future developments in this compound series.