Extensive Studies on the AlEt3/THF‐promoted diastereoselective tandem rearrangement/reduction of α‐Hydroxy (amino) heterocyclopropane: An efficient approach to 2‐quaternary 1,3‐diheteroatom units

A facile and highly diastereoselective method for the construction of 2-quaternary 1,3-amino alcohols and 1,3-diols has been developed on the basis of the AlEt3/THF-promoted tandem rearrangement/reductive reaction of α-hydroxy (amino) aziridines (epoxides). The progressive achievement in this article included that both 2-epimers of the units could be constructed from the initially same substrate. Also a stereochemistry assignment we reported previously was corrected.

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