Diastereoselective Synthesis of Unnatural Amino Acids by Alkylation of α-<i>tert</i>-Butanesulfinamide Auxiliary-Bound Enolates
作者:Natalie C. Dwulet、Tina A. Zolfaghari、Molly L. Brown、Jeffrey S. Cannon
DOI:10.1021/acs.joc.8b01379
日期:2018.10.5
auxiliary for the diastereoselective alkylation of amino ester enolates that takes advantage of chiral information stored on the enolate side of the amino ester substrate has been developed. Chiral α-sulfinamido esters were alkylated under basic conditions in good yields (up to 90%) and good to high diastereoselectivities (generally >6:1) to provide unnatural mono- and α,α-disubstituted aminoacid derivatives