Abstract:
The present invention relates to processes and intermediates useful for the manufacture of spiroindolone compounds such as (1′R,3′S)-5,7′-dichloro-6′-fluoro-3′-methyl-2′,3′,4′,9′-tetrahydrospiro[indoline-3,1′-pyrido[3,4-b]indol]-2-one and salts and hydrates and solvates thereof.