Triaryl-Boron Functionalized Dinuclear Platinum Complexes Linked by Photoisomerizable Bpe Ligand: Luminescence and Isomerism

We report herein a series of triarylboron-functionalized Pt­(II) dinuclear complexes using a photoactive bis­(4-pyridyl)­ethylene (bpe) bridging unit. The new Pt­(II) complexes display phosphorescence at both room temperature and 77 K. Depending on the conditions under which crystals of the complexes were grown, either the cis- or trans-isomers could be obtained. The trans and cis isomers were found to undergo light-induced isomerization in solution with the trans isomer being the dominant species.