Reductive Ring Opening of Oxygen-Containing Benzo-Fused Heterocycles by an Arene-Catalysed Lithiation

Yus M. Moreno B. Foubelo F. Synthesis  2004,  1115 

In the structure of compounds 5a,b, both in the Abstract and in the Scheme 1, a methyl group was missed. The correct formulae are as follows:

The authors apologize.