18 research outputs found

    Syntheses of isotopically labelled xanthines

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    A photochemical approach to the taxanes

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    The de Mayo sequence has been applied to the inter- and intramolecular photocycloaddition of various cycloalkenes with homocamphorquinone derivatives to generate a model for the A,B, and C rings of the Taxanes. © 1985

    A Photochemical Approach to the Taxanes

    No full text
    The de Mayo sequence has been applied to the inter- and intramolecular photocycloaddition of various cycloalkenes with homocamphorquinone derivatives to generate a model for the A, B, and C rings of the taxanes. A model sequence of reactions applicable to the construction of the oxetane (D-ring)-tertiary acetate grouping of baccatin III (taxol, cephalomannine) has also been accomplished. © 1987, American Chemical Society. All rights reserved
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