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- W1528962457 abstract "In order to obtain adducts of 8-methoxypsoralen (8-MOP, 1) and singlet oxygen (1O2), the oxidation of 1 with chemically generated singlet oxygen in H2O2-NaOCl was undertaken. Bioassay-directed fractionation of the crude oxidized products has led to the isolation and characterization of a novel derivative of 1, 2, 3-dihydro-2, 9-dimethoxy-3-hydroxy-7H-furo[3, 2-g][1]benzopyran-7-one (2) as a substance inhibiting chemotactic activity of polymorphonuclear neutrophils toward anaphylatoxin C5a des Arg. The structure of 2 was determined from the spectroscopic data and by correlation with its acetate (2a). Furthermore, the oxidation of 1 in H2O2-NaOCl afforded 5-chloro-9-methoxy-7H-furo[3, 2-g][1]benzopyran-7-one (3) and 6-formyl-7-hydroxy-8-methoxy-2H-1-benzopyran-2-one (4) along wiht 1, but they exhibited no such activity." @default.
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- W1528962457 date "1991-01-01" @default.
- W1528962457 modified "2023-09-22" @default.
- W1528962457 title "The Oxidized Products of 8-Methoxypsoralen(8-MOP) with H2O2-NaOCl." @default.
- W1528962457 doi "https://doi.org/10.1248/cpb.39.2715" @default.
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