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β-Aminoalcohols are ubiquitous structural motifs in natural and pharmaceutical compounds.Their fluorinated analogs could find great potentials in drug discovery due to the unique electronic,lipophilic and metabolic properties.1 Nonetheless,the difficulties in synthesizing β-fluoroalkyl β-amino alcohols have undoubtedly limited the researches in this area.α-Amino aldehydes are versatile precursors to different β-amino alcohols.Therefore,a general synthetic method of fluoroalkyl α-amino aldehydes is highly desirable.