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2018
DOI: 10.1002/ange.201806657
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Totalsynthese der Keramamide A und L aus einer gemeinsamen Vorstufe durch späte Indolsynthese und Revision ihrer Konfiguration

Abstract: Die marinen Naturstoffe Keramamid Au nd L, Vertreter der Klasse der Anabaenopeptin-artigen Peptide, wurden zum ersten Mal mittels einer konvergenten und flexiblen Route synthetisiert. Der Aufbau der substituierten Tryptophan-Einheiten erfolgte hierbei ganz am Ende der Synthese am cyclischen Peptid, was die Herstellung beider Naturstoffe aus einer gemeinsamen Vorstufe ermçglichte.D urch die Synthese verschiedener Epimere konnte festgestellt werden, dass die ursprünglichp ostulierte relative Konfiguration beider… Show more

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Cited by 8 publications
(1 citation statement)
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“…Recently, the group of Zhang described comparable modifications of peptide aldimines via allylic alkylation using Cu and Pd complexes (Scheme A, bottom row) . Because of our long-lasting interest in the total synthesis of peptide and depsipeptide natural products, we also became interested in Pd-catalyzed allylic alkylation of small peptides containing C-terminal α-hydroxy acids (Scheme B).…”
mentioning
confidence: 99%
“…Recently, the group of Zhang described comparable modifications of peptide aldimines via allylic alkylation using Cu and Pd complexes (Scheme A, bottom row) . Because of our long-lasting interest in the total synthesis of peptide and depsipeptide natural products, we also became interested in Pd-catalyzed allylic alkylation of small peptides containing C-terminal α-hydroxy acids (Scheme B).…”
mentioning
confidence: 99%