Abstract
The synthesis of α-amino-β-keto-esters (β-oxo dipeptides) was studied. Corresponding α-amino-β-keto-esters were prepared from BOC-(L)-Valine and BOC-(L)-isoleucine by coupling with (D,L)-threonine hydro-chloride and oxidation with Dess-Martin periodinane (DMP) with a total yield of 48% and 38%, respectively.
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