1: 3-methoxy-benzaldehyde With (1R,2R)-cyclohexane-1,2-diylbis(2-azaethenyl-3-tert-butyl-2-hydroxybenzo-5-sulfonic acid) disodium salt; Manganese (II) acetate in methanol
T=20°C; 0.5 h;
2: sodium cyanide in methanol
T=20°C; 24 h; optical yield given as percent eeenantioselective reaction;
Flynn, Daniel L.; Crich, Joyce Z.; Devraj, Rajesh V.; Hockerman, Susan L.; Parlow, John J.; South, Michael S.; Woodard, Scott
Journal of the American Chemical Society, 1997 , vol. 119, # 21 p. 4874 - 4881