The paper describes a novel approach to diradical design, using a peri-naphthalene scaffold to enforce the proper arrangement of two Blatter radicals. The team of researchers synthesised and characterised two stereoisomers of the naphthalene-diradicals, anti and syn, with strong through-space interactions, and investigated their spectroscopic and electrochemical properties.
The key finding is that significant crowding of π systems does not lead to the dimerization of Blatter radicals, and the resulting architecture opens the way to new materials with properties based on stable diradicals and their potential application in optoelectronics.
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