Synthesis of the Tetracyclic Core (ABCE Rings) of Daphenylline
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https://figshare.com/articles/dataset/Synthesis_of_the_Tetracyclic_Core_ABCE_Rings_of_Daphenylline/2484649
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A concise synthesis of the tetracyclic core (ABCE rings) of daphenylline has been accomplished involving a benzobicyclo[3.3.1] lactam as the key intermediate. This bridged bicyclic intermediate was efficiently constructed via a Brønsted acid promoted intramolecular Friedel–Crafts type Michael addition of a δ-benzyl α,β-unsaturated δ-lactam.
创建时间：
2016-02-20
