Journal of Organometallic Chemistry p. 123 - 132 (1995)
Update date:2022-08-05
Topics:
Lucarini, Marco
Pedulli, Gian Franco
The reactions between tetrabutylammonium borohydride and a series of nitrogen-containing heteroaromatics bases have been investigated by electron paramagnetic resonance (EPR) spectroscopy.The radical anions of the N-heterocycles, formed by a single electron-transfer process have been observed with substrates having reduction potentials higher than -1.2 V vs.SCE.With less reducible bases, the radical anions of the adducts formed by complexation by one or two borane units of the nitrogen atoms of the base were observed under photolytic conditions.This is because the complexed N-heterocycles have larger electron affinities than the starting base.Keywords: Boron; Radical anions; Tetrahydroborate; EPR; Electron transfer
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