Search results for: AMIDOALKYLATION - Bridge of Knowledge

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Search results for: AMIDOALKYLATION

Search results for: AMIDOALKYLATION

  • Synthesis and crystal structure of ferrocenyl benzothiazole derivatives

    Publication
    • Y. Stremski
    • M. Bachvarova
    • S. Statkova-Abeghe
    • P. Angelov
    • I. Ivanov
    • A. Ahmedova
    • A. Dołęga

    - JOURNAL OF ORGANOMETALLIC CHEMISTRY - Year 2023

    Novel ferrocenyl-containing benzothiazole derivatives were synthesised in moderate yields by one-pot α-amidoalkylation of ferrocene. The reaction conditions were critically evaluated and the crystal structure of one of the amidoalkylated ferrocenes was resolved. Oxidation of the obtained compounds led to known fully aromatic 2-ferrocenylbenzothiazole in 81 % yield, which represents a convenient alternative to earlier methods utilizing...

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  • Oxidation step in the preparation of benzocamalexin: The crystallographic evidence

    Publication
    • Y. Stremski
    • A. Ahmedova
    • A. Dołęga
    • S. Statkova-Abeghe
    • D. Kirkova

    - MENDELEEV COMMUNICATIONS - Year 2021

    The study of oxidation step in the preparation of benzocamalexin by the α-amidoalkylation–oxidation sequence revealed the formation of perchloro-1,2-phenylene dibenzoate as the product of transformation of tetrachloro- 1,2-benzoquinone applied as the oxidant. The structures of benzocamalexin and perchloro-1,2-phenylene dibenzoate were confirmed by X-ray diffraction analysis. The extraction step in the final isolation of benzocamalexin...

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