Reactant involved in synthesis of: · Organic field-effect transistors based on organic semiconductors containing diazaboroles · Cycloparaphenylenes via Suzuki coupling · 1,3,2-Diazaboroine derivatives for organic thin-film transistor applications · Back-to-back coupled 2,6-bis(triazol-1-yl)pyridine molecules · Rectangular host via electrochemical reactions with methylaquacobaloxime and diamine · Arylboronates from reactions with catechol, dihydroxynaphthalene and diaminobenzenedithiol for use as organic field-effect transistors and light emitting diodes