The preparation and reactions of C(α),<i>N</i>‐dilithiocarboalkoxyhydrazones

Abstract

Abstract C(α), N ‐Carboalkoxyhydrazones were metalated with an excess of lithium diisopropylamide (LDA), and the resulting dianions were condensed with methyl iodide, an unsubstituted ketone, a benzoate ester, salicylates, a benzoylacetate, or ethyl chloroformate.