Total Synthesis of Ovafolinins A and B: Unique Poly‐cyclic Benzoxepin Lignans through a Cascade Cyclization

Angewchem
Total Synthesis of Ovafolinins A and B: Unique Poly‐cyclic Benzoxepin Lignans through a Cascade Cyclization: Ovafolinins A and B, isolated from Lyonia ovalifolia var. elliptica, are lignans that contain a unique bridged structure containing a penta‐ and tetracyclic benzoxepin and an aryl tetralin. We report the...

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