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Toward the Synthesis and Biological Screening of a Cyclotetrapeptide from Marine Bacteria

By Rajiv Dahiya and Hemendra Gautam

Abstract

The first synthesis of a naturally occurring tetrapeptide cyclo-(isoleucyl-prolyl-leucyl- alanyl) has been achieved using a solution-phase technique via coupling of dipeptide segments Boc-l-Pro-l-Leu-OH and l-Ala-l-Ile-OMe. Deprotection of the linear tetrapeptide unit and its subsequent cyclization gave a cyclopeptide, identical in all aspects to the naturally occurring compound. Bioactivity results indicated the antifungal and antihelmintic potential of the synthesized peptide against pathogenic dermatophytes and earthworms

Topics: Article
Publisher: Molecular Diversity Preservation International
OAI identifier: oai:pubmedcentral.nih.gov:3039471
Provided by: PubMed Central

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