251 research outputs found

    Schizanthine X, a New Alkaloid from Schizanthus grahamii

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    A new dimeric alkaloid 1 has been isolated from Schizanthusgrahamiiand its structure determined by spectroscopic methods. Ā© 1991, American Chemical Society. All rights reserved

    Carbon 13

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    Enantioselective Tail-to-Head Cyclizations Catalyzed by Dual-Hydrogen-Bond Donors

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