Metal-free Deamidative Ugi Access to Isoindolinones
Abstract
A two-step isoindolone synthesis has been achieved by using an Ugi/oxidative vicarious nucleophilic substitution sequence starting from 3-nitrobenzoic acid and aromatic aldehydes. Loss of the amido group was observed as well as a further oxidative process towards hy-droxyisoindolone derivatives after prolonged stirring open to the atmosphere .
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