A series of 6-oxo verdazyl radicals functionalised {at the|in the} 1- and 5-positions by methyl, thiomethyl and iodo groups {were|had been|have been} synthesised {using|utilizing|making use of|employing|working with|applying} {conventional|standard|traditional} {strategies|methods|techniques|approaches|tactics}. Facile Sonogashira cross-coupling reactions of terminal alkynes {with the|using the|with all the|together with the} diiodo analogue {were|had been|have been} {used|utilized|employed|utilised|applied|made use of} for synthetic elaboration {of the|from the|in the|on the|with the|of your} verdazyl core structure with π-conjugated ethynyl groups. The radicals {were|had been|have been} characterised by EPR spectroscopy, single-crystal X-ray diffraction, cyclic voltammetry and optical spectroscopy. The chemically and electrochemically reversible oxidation and reduction {of these|of those} radicals {within|inside} a {convenient|handy|hassle-free|practical|easy} redox window permitted {further|additional} {studies|research} {on the|around the} closed-shell cationic and anionic {forms|types} {using|utilizing|making use of|employing|working with|applying} spectroelectrochemical {methods|techniques|strategies|approaches|procedures|solutions}, supported by (TD-)DFT calculations. 1310680-47-7 structure Formula of 6-Aminobenzo[c][1,2]oxaborol-1(3H)-ol PMID:23618405
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