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N-Pivaloylbenzylamines and derivs. [e.g., 2,4-R(MeO)C6H4CH2NHCOCMe3, I, R = H] undergo smooth ortho-metalation when treated with two equivs. of an organolithium reagent. Subsequent carboxylation or hydroxylation lead to a no. of products, e.g., I, R = CO2H, OH. [on SciFinder (R)]
Alkynes are found in a multitude of natural or synthetic bioactive compounds. In addition to the capacity of these chemical motifs to impact the physicochemical properties of a molecule of interest, the well-established reactivity of alkynes makes them ...
Rosario Scopelliti, Jérôme Waser, Farzaneh Fadaei Tirani, Matthew Wodrich, Eliott Hugo Joran Le Du