... DOI: 10.1039/C2DT12097F (Paper) Dalton Trans., 2012 ... i) a) TMEDA, n-butyl lithium, n-pentane, RT, stirring, 12 h, b) THF, CO 2 (g), purified yield 41%. ... starting with alkylation of p-iodoaniline with ethyl-bromoacetate in the presence of sodium acetate to produce compound 8 in a ...