Niobium (low valent)
Recent Literature
Trifluoromethyl arenes were reduced with lithium aluminum hydride to give
toluene derivatives in good yields in the presence of 5 mol % of niobium(V)
chloride. Stepwise, partial reduction of a bis(trifluoromethyl) arene was
also demonstrated.
K. Fuchibe, Y. Ohshima, K. Mitomi, T. Akiyama, Org. Lett., 2007,
9, 1497-1499.