1H and 13C assignments of cyclo[N-(Lys-Phe)-Orn-Val], a semicyclic imide tetrapeptide from Burkholderia cepacia |
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| Authors: | Pérez-Picaso Lemuel Rios María Yolanda Hernández Ana Niurka Martínez Jorge |
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| Affiliation: | Centro de Investigaciones Químicas de la Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa, 62209, Cuernavaca, Morelos, México. |
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| Abstract: | The rhizobacteria Burkholderia cepacia biosynthesized the new tetrapeptide Cyclo[N-(Lys-Phe)-Orn-Val] (1), a 2,5-diketopiperazine, and the known siderophore azurechelin (salicylic acid). The structure of 1 was established by means of IR, UV, 1H and 13C NMR, double dimension experiments and MS. |
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| Keywords: | NMR 1H NMR 13C NMR Burkholderia cepacia cyclo[N‐(Lys‐Phe)‐Orn‐Val] 2,5‐diketopiperazine semicyclic imide tetrapeptide |
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