A facile, practical synthesis and resolution of (±)‐2′‐amino‐[1,1′‐binaphthalen]‐2‐ol (1) is described, as well as the preparation of the tridentate Schiff base ligand 2 derived from condensation of 1 with 3‐bromo‐5‐(tert‐butyl)salicylaldehyde, which has been used in catalytic enantioselective acetate aldol addition reactions.
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Singer et al. (2003) studied this question.
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