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9,12-Dibenzothiazolylhypericin and 10,11-Dibenzothiazolyl-10,11-didemethylhypericin: Photochemical Properties of Hypericin Derivatives Depending on the Substitution Site

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Summary.

Investigating the properties of similar but regioselectively differently substituted hypericin derivatives, 9,12-dibenzothiazolylhypericin was synthesized and compared with the recently prepared 10,11-analogue. A significant difference in the ability to generate singlet oxygen and/or reactive oxygen species and different absorption spectra of these two derivatives were observed.

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Authors and Affiliations

  1. Institute of Organic Chemistry, Johannes Kepler University Linz, A-4040, Linz, Austria

    Mario Waser, Yulita Popova & Heinz Falk

  2. Institute of Analytical Chemistry, Johannes Kepler University Linz, A-4040, Linz, Austria

    Christian W. Klampfl

Authors
  1. Mario Waser
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  2. Yulita Popova
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  3. Christian W. Klampfl
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  4. Heinz Falk
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Corresponding author

Correspondence to Heinz Falk.

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Waser, M., Popova, Y., Klampfl, C. et al. 9,12-Dibenzothiazolylhypericin and 10,11-Dibenzothiazolyl-10,11-didemethylhypericin: Photochemical Properties of Hypericin Derivatives Depending on the Substitution Site. Monatsh. Chem. 136, 1791–1797 (2005). https://doi.org/10.1007/s00706-005-0355-2

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  • DOI: https://doi.org/10.1007/s00706-005-0355-2

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