Tetrahedron Letters p. 5859 - 5862 (1988)
Update date:2022-08-03
Topics:
Daly, William H.
Poche, Drew
A syntheis of the N-carboxyanhydrides (NCA's) of several α-amino acids using bis(trichloromethyl)carbonate, 1, is reported.The triphosgene is used to supply phosgene in situ in stoichiometric amounts; it is particularly effective for preparing NCA's of amino acids with long, aliphatic side chains.
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