A practical organocatalytic strategy designed to mimic the l-rhamnulose 1-phosphate and D-fructose 1,6-diphosphate aldolases has been developed and shown to be effective in the preparation of carbohydrates and polyol derivatives. Threonine-based catalysts facilitated the aldol reaction of protected dihydroxyacetone or protected hydroxacetone with a variety of aldehydes to provide syn-aldol products with good yields and ee's up to 98%.
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Utsumi et al. (2007) studied this question.
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