Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1973-04-09
1976-05-18
Trousof, Natalie
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260333, 26029359, 2602393B, 260534S, 260287R, C07D49808
Patent
active
039577600
ABSTRACT:
New lactone intermediates useful in the synthesis of peptides are prepared by reacting an .alpha.-amino acid with an active carbonyl compound which forms a Schiff's base. The latter is treated with a condensing agent so that cyclization occurs and a lactone is formed from which a peptide may be produced by reaction with an amino acid ester and removal of the protecting groups.
Bond Robert T.
E. R. Squibb & Sons Inc.
Levinson Lawrence S.
Rodney Burton
Smith Merle J.
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