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Photooxidation of alkaloids: considerable quantum yield enhancement by rose bengal-sensitized singlet molecular oxygen generation

Photochemistry and Photobiology

Oct 3, 2011

Helmut GörnerLaszlo Biczok

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Abstract

The photooxidation of sanguinarine, coralyne and berberine was studied in oxygenated alkaline methanol solutions. Rose bengal as photosensitizer significantly accelerates the process, indicating the importance of singlet molecular oxygen in the reaction mechanism. The quantum yield of s...read more

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  • Photooxidation of alkaloids: considerable quantum yield enhancement by rose bengal-sensitized singlet molecular oxygen generation

    Photochemistry and Photobiology

    Oct 3, 2011

    Helmut GörnerLaszlo Biczok

    PMID: 21883246

    DOI: 10.1111/j.1751-1097.2011.00994.x

    Abstract

    The photooxidation of sanguinarine, coralyne and berberine was studied in oxygenated alkaline methanol solutions. Rose bengal as photosensitizer significantly accelerates the process, indicating the importance of singlet molecular oxygen in the reaction mechanism. The quantum yield of s...read more

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