Helvetica Chimica Acta p. 1153 - 1162 (1986)
Update date:2022-08-03
Topics:
Wipf, Peter
Heimgartner, Heinz
The formation of peptide bonds between dipeptides 4 containing a C-terminal α,α-disubstituted α-amino acid and ethyl p-aminobenzoate (5) using DCC as coupling reagent proceeds via 4,4-disubstituted oxazol-5(4H)-ones 7 as intermediates (Scheme 3).The react
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