Angucycline Glycosides from Mangrove-Derived Streptomycesdiastaticus subsp. SCSIO GJ056

Nine new angucycline glycosides designated urdamycins N1⁻N9 (1⁻9), together with two known congener urdamycins A (10) and B (11), were obtained from a mangrove-derived Streptomycesdiastaticus subsp. SCSIO GJ056. The structures of new compounds were elucidated on the basis of extensive spectroscopic...

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Veröffentlicht in:Marine drugs 2018-05, Vol.16 (6)
Hauptverfasser: Gui, Chun, Liu, Yena, Zhou, Zhenbin, Zhang, Shanwen, Hu, Yunfeng, Gu, Yu-Cheng, Huang, Hongbo, Ju, Jianhua
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container_issue 6
container_start_page
container_title Marine drugs
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creator Gui, Chun
Liu, Yena
Zhou, Zhenbin
Zhang, Shanwen
Hu, Yunfeng
Gu, Yu-Cheng
Huang, Hongbo
Ju, Jianhua
description Nine new angucycline glycosides designated urdamycins N1⁻N9 (1⁻9), together with two known congener urdamycins A (10) and B (11), were obtained from a mangrove-derived Streptomycesdiastaticus subsp. SCSIO GJ056. The structures of new compounds were elucidated on the basis of extensive spectroscopic data analysis. The absolute configurations of 6⁻9 were assigned by electronic circular dichroism calculation method. Urdamycins N6 (6) and N9 (9) represent the first naturally occurring (5R, 6R)-angucycline glycosides, which are diastereomers of urdamycins N7 (7) and N8 (8), respectively.
doi_str_mv 10.3390/md16060185
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The absolute configurations of 6⁻9 were assigned by electronic circular dichroism calculation method. 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title Angucycline Glycosides from Mangrove-Derived Streptomycesdiastaticus subsp. SCSIO GJ056
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