Synthesis of sterically hindered N-acylated amino acids from N-carboxyanhydrides
Sterically hindered N-acyl, gem-disubstituted amino acids are easily prepared via the addition of organometallic reagents to N-carboxyanhydrides (NCA). The process tolerates a wide variety of functional groups and allows the synthesis of amide products not readily accessible by traditional acylation chemistry. The existence of an isocyanate intermediate was established by in situ IR spectroscopy.
Schaefer, Gabriel,Bode, Jeffrey W.
supporting information
p. 1526 - 1529
(2014/04/03)
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