Chiral Catalysts

(S)-[2 – 3′:1′ – 1”:3” – 2”’-Quaternaphthalene]-2′ – 2”-diol

Chiral Catalysts

(S)-1-Ferrocenylethanol

Chiral Catalysts

(S)-2 – 2′ – 3 – 3′-Tetrahydro-6 – 6′-bis(triphenylsilyl)-1 – 1′-spirobi[1H-indene]-7 – 7′-diol

Chiral Catalysts

(S)-2 – 2′ – 3 – 3′-Tetrahydro-6 – 6′-bis[3 – 5-bis(tert-butyl)-4-methoxyphenyl]-1 – 1′-spirobi[1H-indene]-7 – 7′-diol

Chiral Catalysts

(S)-2 – 2′ – 3 – 3′-Tetrahydro-6 – 6′-di(1-naphthalenyl)-1 – 1′-spirobi[1H-indene]-7 – 7′-diol

Chiral Catalysts

(S)-2 – 2′ – 3 – 3′-Tetrahydro-6 – 6′-di(2-naphthalenyl)-1 – 1′-spirobi[1H-indene]-7 – 7′-diol