Novel ansa-ferrocenes with o-phenylene-type bridges by B–N adduct formation
Abstract
1,1′-Bis[bromo(methyl)boryl]ferrocene 1 reacts with 4-bromo-3,5-dimethylpyrazole to give a novel air-stable ansa-ferrocene where the self-assembly of B–N adducts provides an alternative to C-C coupling.