Literature DB >> 26624939

Niizalactams A-C, Multicyclic Macrolactams Isolated from Combined Culture of Streptomyces with Mycolic Acid-Containing Bacterium.

Shotaro Hoshino1, Masahiro Okada1, Toshiyuki Wakimoto1, Huiping Zhang2, Fumiaki Hayashi2, Hiroyasu Onaka3, Ikuro Abe1.   

Abstract

A terrestrial bacterium, Streptomyces sp. NZ-6, produced niizalactams A-C (1-3), unprecedented di- and tricyclic macrolactams, by coculturing with the mycolic acid-containing bacterium Tsukamurella pulmonis TP-B0596. Their complete structures, including absolute configurations, were elucidated on the basis of spectroscopic data and chemical derivatization. Their unique skeletons are proposed to be biosynthesized from a common 26-membered macrolactam intermediate by SN2 cyclization or an intramolecular Diels-Alder reaction.

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Year:  2015        PMID： 26624939     DOI： 10.1021/acs.jnatprod.5b00804

Source DB:  PubMed          Journal:  J Nat Prod        ISSN： 0163-3864            Impact factor:   4.050


  14 in total

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