The synthesis of N-unprotected isoindolinones via rhodium(III)-catalyzed intramolecular
C(sp3)–H amidation of various 2-methyl-N-substituted benzamides is developed. This protocol
employs a free amino acid l-alanine as a ligand, which could significantly increase the reactivity of rhodium
catalyst.
Key words
rhodium(III) catalyst - C(sp
3)–H amidation - isoindolinones - N-substituted benzamides - synthetic methods