Abstract
IN a recent paper recording the preparation and properties of phthalyl-amino-acids, Billman and Harting1 claim that the derivative obtained by heating L-glutamic acid with phthalic anhydride at 180–185° is the optically active phthalyl-L-glutamic acid.
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J. Amer. Chem. Soc., 70, 1473 (1948).
King, F. E., and Robinson, Sir Robert (unpublished work).
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KIDD, D., KING, F. Preparation of Phthalyl-L-Glutamic Acid. Nature 162, 776 (1948). https://doi.org/10.1038/162776b0
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DOI: https://doi.org/10.1038/162776b0
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