Methyl 1-formylcyclobutane-1-carboxylate → Methyl 1-{[4-({[(6-fluoro-3,3-dimethyl-2-oxo-2,3-dihydro-1H-indol-1-yl)carbonyl]amino}methyl)-4-hydroxypiperidin-1-yl]methyl}cyclobutanecarboxylate

Participants

Reaction Steps

The title compound was prepared according to the procedure described in step 3 of Example 2 from 6-fluoro-N-[(4-hydroxypiperidin-4-yl)methyl]-3,3-dimethyl-2-oxoindoline-1-carboxamide and methyl 1-formylcyclobutanecarboxylate (step 4 of Example 22) and methyl 1-formylcyclobutanecarboxylate (Davis, Charles R. et al., J. Org. Chem., 1993, 58, 6843).

Provenance & Evidence