HETEROCYCLIC COMMUNICATIONS, cilt.7, sa.6, ss.529-534, 2001 (SCI-Expanded)
Ring cleavage of 1-butyl-2-(4-cyanophenyl)-1H-benzimidazole-5-carbonitrile (5) and 1-benzyl-2-(4-cyanophenyl)-1H-benzimidazole-5-carbonitrile (6) using diisobutylaluminum hydride is reported.