Two phosphonodehydrotripeptides: Boc0–Gly1–Δ(Z)Phe2–α-Abu3PO3Me2and Boc0–Gly1–Δ(Z)Phe2–α-Nva3PO3Et2

The present paper reports the crystal structures of two short phosphonotripeptides (one in two crystal forms) containing one ΔPhe (dehydrophenylalanine) resi...