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. 2022 Oct 20;85(10):2468–2473. doi: 10.1021/acs.jnatprod.2c00796

Scheme 1. Route A: Putative Mechanism of Conversion of Zosterabisphenone A (4) into Zosterabisphenone C (1); Route B: Mechanism Proposed in Ref (12) for the FeCl3-Promoted Rearrangement of 2,2′-Dinaphthol.

Scheme 1

Ar is the southern diarylheptanoid unit in Route A.