Abstract
The title compound, C21H20N2O5, is a terminally protected dipeptide. The backbone adopts an extended conformation, with the phthaloyl group orthogonal to the plane of the trans peptide link. The phenylalanine side chain adopts the g− conformation. In the crystal lattice, the molecules are stacked with a strong intermolecular hydrogen bond between the H atom of the amide link and the amide carbonyl group of a neighbour.
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