Construction of the Tetracyclic Core Structure of Dysiherbols A–C
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A synthetic study on the construction of the tetracyclic core structure of dysiherbols A–C is presented herein. In this synthesis, intramolecular [2 + 2] cycloaddition introduces a fused 6/4 ring system, followed by a Pd-catalyzed semipinacol rearrangement/Csp2–H arylation cascade to construct the ring C, and visible-light-mediated ring-opening of cyclopropyl silyl ether installs the tetracyclic core of dysiherbols.
创建时间:
2022-02-21



