(+/-)-3-Methyl-5'-nitro-spiro[imidazolidine-4,2'-indane]-2,5-dione → (+/-)-3' Methyl-2',5'-dioxo-6,8-dihydrospiro[cyclopenta[g]quinoline-7,4'-imidazolidine]-2-carbaldehyde

Participants

Reaction Steps

Essentially following the procedures described for Intermediate 17, but using (±)-5′-amino-3-methyl-spiro[imidazolidine-4,2′-indane]-2,5-dione (described in Intermediate 15) in place of (R)-5′-amino-3-methyl-spiro[imidazolidine-4,2′-indane]-2,5-dione, the title compound is prepared. MS: m/z=296 (M+1).

Provenance & Evidence