Asymmetric Synthesis of cis-2-Aminocyclopropanols by Intramolecular Mannich Addition of Silyloxy Benzyl Carbanions
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An efficient, highly diastereoselective method for the preparation of protected cis-2-aminocyclopropanols from N-tert-butanesulfinyl ketimines and various aryl acylsilanes is described. A tandem process for carbon–carbon bond formation via nucleophilic addition to acylsilanes, Brook rearrangement, and intramolecular Mannich reaction has been developed.
创建时间:
2016-02-23



