6533b82efe1ef96bd1293c7b

RESEARCH PRODUCT

Synthesis of peptides with α,β‐dehydroamino acids, I. synthesis of N‐benzyloxycarbonyl and N‐trifluoroacetyl dipeptides of dehydroalanine and dehydrophenylalanine

Piotr WieczorekBarbara RzeszotarskaZ. KubicaM. Makowski

subject

chemistry.chemical_classificationDipeptideChemistryStereochemistryOrganic ChemistryPhenylpyruvic acidNuclear magnetic resonance spectroscopyCondensation reactionCatalysisAmino acidchemistry.chemical_compoundAcid catalysisDehydroalaninePhysical and Theoretical Chemistry

description

Condensation of amides of N-(benzyloxycarbonyl)- and N-(trifluoroacetyl)amino acid with pyruvic and phenylpyruvic acid yields, in the presence of p-toluenesulfonic acid as a catalyst, N-(benzyloxycarbonyl)- and N-(trifluoroacetyl)dehydro dipeptides with C-terminal Δ Ala and ΔPhe, respectively (Table 2 and 3). Synthese von Peptiden mit α,β-Dehydroaminosauren, I. - Synthese von N-(Benzyloxycarbonyl)-und N-(Trifluoracetyl) dipeptiden von Dehydroalanin und Dehydrophenylalanin Die Kondensation von Nα-(Benzyloxycarbonyl)- und Nα-(Trifluoracetyl)aminosaureamiden mit Brenztrauben- und Phenylbrenztraubensaure in Gegenwart von p-Toluolsulfonsaure als Katalysator fuhrt zu N-(Benzyloxycarbonyl)- und N-(Trifluoroacetyl)dehydrodipeptiden mit C-standigem ΔAla bzw. ΔPhe (Tab 2 und 3).

10.1002/jlac.198419840511https://onlinelibrary.wiley.com/doi/pdf/10.1002/jlac.198419840511