K. Nakagawa et M. Somei, LITHIATION OF 3-DIMETHYLAMINOMETHYL-METHOXYINDOLE AND 3-DIMETHYLAMINOETHYL-1-METHOXYINDOLE DERIVATIVES, Heterocycles, 39(1), 1994, pp. 31-34
Lithiation of 3-dimethylaminomethyl- and 3-dimethylaminoethyl-1-methox
yindole occurred regioselectively at the 2-position. 2-Substituted 3-d
imethylaminomethyl-1-methoxyindoles were lithiated at the 4-position.