6-Methoxyoxindole → 2-(6-Methoxy-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-3-methyl-5-(2-piperidin-1-yl-ethyl)-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one

Participants

Reaction Steps

The title compound was prepared under the same conditions as described in Example with 3-methyl-4-oxo-5-(2-piperidin-1-yl-ethyl)-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehyde and 6-methoxy-1,3-dihydro-indol-2-one (prepared according to Journal of Organic Chemistry, 70(5), 1828-1834, 2005) starting materials to give 2-(6-methoxy-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-3-methyl-5-(2-piperidin-1-yl-ethyl)-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one (51 mg, 61.8%) as an orange solid.

Provenance & Evidence