Described is an unprecedented NHC‐catalyzed (NHC=N‐heterocyclic carbene), stereoselective ring opening of epoxy and cyclopropyl enals to deliver valuable compounds bearing multiple stereocenters. A straightforward three‐step procedure involving two catalytic enantioselective transformations has been developed and leads to a regio‐ and stereodivergent synthesis of either 1,2‐amino alcohols/diamines or 1,4‐fluoro alcohols with excellent diastereo‐ and enantiopurity.
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Poh et al. (2017) studied this question.
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