New Rufomycins from Streptomyces atratus MJM3502 Expand Anti-Mycobacterium tuberculosis Structure-Activity Relationships.

New Rufomycins from Streptomyces atratus MJM3502 Expand Anti-Mycobacterium tuberculosis Structure-Activity Relationships.
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DOI:
10.1021/acs.orglett.2c02493
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发表时间:
2022-10-14
期刊:
影响因子:
5.2
通讯作者:
Pauli, Guido F.
Pauli, Guido F.
中科院分区:
化学1区
文献类型:
--
作者:
Zhou, Bin;Shetye, Gauri;Wolf, Nina M.;Chen, Shao-Nong;Qader, Mallique;Ray, G. Joseph;Lankin, David C.;Cho, Sanghyun;Cheng, Jinhua;Suh, Joo-Won;Franzblau, Scott G.;McAlpine, James B.;Pauli, Guido F.

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从atratus链霉菌MJM3502中分离得到4个新的红霉素1-4,分别命名为红霉素56、红霉素57、红霉素58和红霉素61。化合物1和2具有该环肽家族中未曾见过的4-咪唑烷酮环,从而形成[5,17]双环骨架。3和4的体外抗Mtb效力显著,MIC值分别为8.5和130 nM。
Four new rufomycins, 1–4, named rufomycins 56, 57, 58, and 61, respectively, exhibiting new skeletal features, were obtained from Streptomyces atratus strain MJM3502, and fully characterized. Compounds 1 and 2 possess a 4-imidazolidinone ring not previously encountered in this family of cyclopeptides, thereby resulting in a [5,17] bicyclic framework. The in vitro anti-Mtb potency of 3 and 4 is remarkable, with MIC values of 8.5 and 130 nM, respectively.
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