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New Rufomycins from Streptomyces atratus MJM3502 Expand Anti- Mycobacterium tuberculosis Structure-Activity Relationships
被引:4
|作者:
Zhou, Bin
[1
,2
,3
,4
]
Shetye, Gauri
[3
]
Wolf, Nina M.
[3
]
Chen, Shao-Nong
[1
,2
,3
]
Qader, Mallique
[3
]
Ray, G. Joseph
[1
,2
,3
]
Lankin, David C.
[1
,2
,3
]
Cho, Sanghyun
[3
]
Cheng, Jinhua
[5
]
Suh, Joo-Won
[5
]
Franzblau, Scott G.
[1
,2
,3
]
McAlpine, James B.
[1
,2
,3
]
Pauli, Guido F.
[1
,2
,3
]
机构:
[1] Univ Illinois, Pharmacognosy Inst, Coll Pharm, Chicago, IL 60612 USA
[2] Univ Illinois, Dept Pharmaceut Sci Coll Pharm, Chicago, IL 60612 USA
[3] Univ Illinois, Inst TB Res, Coll Pharm, Chicago, IL 60612 USA
[4] Chinese Acad Sci, Shanghai Inst Mat Med, State Key Lab Drug Res, Shanghai 201203, Peoples R China
[5] Myongji Univ, Myongji Bioefficacy Res Ctr, Yongin 17058, Gyeonggi Do, South Korea
来源:
基金:
美国国家卫生研究院;
关键词:
ABSOLUTE-CONFIGURATION;
D O I:
10.1021/acs.orglett.2c02493
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Four new rufomycins, compounds 1-4, named rufomycins 56, 57, 58, and 61, respectively, exhibiting new skeletal features, were obtained from Streptomyces atratus strain MJM3502 and were fully characterized. Compounds 1 and 2 possess a 4imidazolidinone ring not previously encountered in this family of cyclopeptides, thereby resulting in a [5,17] bicyclic framework. The in vitro anti -Mycobacterium tuberculosis potency of compounds 3 and 4 is remarkable, with minimum inhibitory concentration values of 8.5 and 130 nM, respectively.
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页码:7265 / 7270
页数:6
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