Chiral Catalysts

(R)-6 – 6′-Bis(3 – 5-dichlorophenyl)-2 – 2′ – 3 – 3′-tetrahydro-1 – 1′-spirobi[indene]-7 – 7′-diol

Chiral Catalysts

(R)-6 – 6′-Bis(3 – 5-dimethylphenyl)-2 – 2′ – 3 – 3′-tetrahydro-1 – 1′-spirobi[1H-indene]-7 – 7′-diol

Chiral Catalysts

(R)-6 – 6′-Bis[3 – 5-bis(trifluoromethyl)phenyl]-2 – 2′ – 3 – 3′-tetrahydro-1 – 1′-spirobi[1H-indene]-7 – 7′-diol

Chiral Catalysts

(R)-6 – 6′-Bis[4-(1 – 1-dimethylethyl)phenyl)]-2 – 2′ – 3 – 3′-tetrahydro-1 – 1′-spirobi[1H-indene]-7 – 7′-diol

Chiral Catalysts

(R)-6 – 6′-Di-9-anthracenyl-2 – 2′ – 3 – 3′-tetrahydro-1 – 1′-spirobi[1H-indene]-7 – 7′-diol

Chiral Catalysts

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