Preparation of new alkyne-modified ansamitocins by mutasynthesis

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Harmrolfs, Kirsten; Mancuso, Lena; Drung, Binia; Sasse, F.; Kirschning, Andreas: Preparation of new alkyne-modified ansamitocins by mutasynthesis. In: Beilstein Journal of Organic Chemistry 10 (2014), S. 535-543. DOI: http://dx.doi.org/10.3762/bjoc.10.49

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Sum total of downloads: 176




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Abstract: 
The preparation of alkyne-modified ansamitocins by mutasynthetic supplementation of Actinosynnema pretiosum mutants with alkyne-substituted aminobenzoic acids is described. This modification paved the way to introduce a thiol linker by Huisgen-type cycloaddition which can principally be utilized to create tumor targeting conjugates. In bioactivity tests, only those new ansamitocin derivatives showed strong antiproliferative activity that bear an ester side chain at C-3.
License of this version: CC BY 2.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2014
Appears in Collections:Naturwissenschaftliche Fakultät

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pos. country downloads
total perc.
1 image of flag of Germany Germany 133 75.57%
2 image of flag of United States United States 18 10.23%
3 image of flag of China China 12 6.82%
4 image of flag of No geo information available No geo information available 3 1.70%
5 image of flag of Ethiopia Ethiopia 2 1.14%
6 image of flag of South Africa South Africa 1 0.57%
7 image of flag of Taiwan Taiwan 1 0.57%
8 image of flag of Romania Romania 1 0.57%
9 image of flag of United Kingdom United Kingdom 1 0.57%
10 image of flag of Austria Austria 1 0.57%
    other countries 3 1.70%

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