Beilstein J. Org. Chem.2022,18, 469–478, doi:10.3762/bjoc.18.49
and operational simplicity through one pot reaction.
Keywords: chemoselective conjugate reduction; dispirocyclopentanebisoxindolescaffolds; metal-free; one-pot operation; reductive cyclization; Introduction
There is a vast demand of the structurally complex spirooxindole scaffold which is an