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DOI: 10.1055/a-1467-2494
Late-Stage Derivatization of Buflavine by Nickel-Catalyzed Direct Substitution of a Methoxy Group via C–O Bond Activation
This work was supported, in part, by the SEEDS program from Osaka University.
Dedicated to Professor Shinji Murai for his contribution to bond activation.
Abstract
The nickel-catalyzed cross-coupling of methoxyarenes was applied to buflavine, which allows for the selective monosubstitution of one of the two methoxy groups in the molecule, leading to the formation of 2- and 3-substituted isomers. Trimethylsilylmethyl (TMSCH2), phenyl, and alkynyl groups can be introduced into buflavine using this method. The resulting TMSCH2 analogue of buflavine can also be converted into several other derivatives.
Key words
C–O bond activation - cross-coupling - nickel - natural product - late-stage functionalizationSupporting Information
- Supporting information for this article is available online at https://doi.org/10.1055/a-1467-2494.
- Supporting Information
Publication History
Received: 10 March 2021
Accepted after revision: 25 March 2021
Accepted Manuscript online:
25 March 2021
Article published online:
21 April 2021
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Reviews from other groups:
Biological activity of 1:
Unique reactivity of IMesMe in nickel-catalyzed inert bond activation: