6533b7dcfe1ef96bd127200d

RESEARCH PRODUCT

Crystal structure of N-(tert-butoxycarbonyl)phenylalanyldehydroalanine isopropyl ester (Boc–Phe–ΔAla–OiPr)

Bartosz ZarychtaMaciej MakowskiKrzysztof EjsmontPaweł Lenartowicz

subject

Steric effectsde­hydro­alaninecrystal structurede­hydro peptidesCrystal structureResearch Communicationslcsh:Chemistrychemistry.chemical_compoundDehydroalanineαβ-dehydroamino acidsPeptide bondMoietyGeneral Materials ScienceHydrogen bond[alpha]General Chemistrydehydroalaninedehydro peptidesCondensed Matter Physicsherringbone packing[beta]-de­hydro­amino acidsCrystallographyMolecular geometrychemistrylcsh:QD1-999αβ-de­hydro­amino acidsIsopropyl

description

In the crystal structure of the de­hydro­dipeptide (Boc-Phe-ΔAla-OiPr), the mol­ecule has a trans configuration of the N-methyl­amide group. Its geometry is different from saturated peptides but is in excellent agreement with other de­hydro­alanine compounds. In the crystal, an N—H⋯O hydrogen bond links the mol­ecules in a herringbone packing arrangement.

10.1107/s1600536814025197http://scripts.iucr.org/cgi-bin/paper?S1600536814025197