Chiral Catalysts

(S)-6 – 6′-Bis(4-chlorophenyl)-2 – 2′ – 3 – 3′-tetrahydro-1 – 1’spirobi[1H-indene]-7 – 7′-diol

Chiral Catalysts

(S)-6 – 6′-Bis[1-pyrenyl]-2 – 2′ – 3 – 3′-tetrahydro-1 – 1′-spirobi[1H-indene]-7 – 7′-diol

Chiral Catalysts

(S)-6 – 6′-Bis[4-methoxyphenyl]-2 – 2′ – 3 – 3′-tetrahydro-1 – 1′-spirobi[1H-indene]-7 – 7′-diol

Chiral Catalysts

(S)-6 – 6′-Bis4-(1 – 1-dimethylethyl)phenyl)-2 – 2′ – 3 – 3′-tetrahydro-1 – 1′-spirobi[1H-indene]-7 – 7′-diol

Chiral Catalysts

(S)-6 – 6′-Dibromo-2 – 2′-bis(methoxymethoxy)-1 – 1′-binaphthalene

Chiral Catalysts

(S)-N – N-Dimethyl-[1 – 1′-binaphthalene]-2 – 2′-diamine