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Research demonstrates diastereoselective synthesis of hydrogenated derivatives, suggesting new chemical pathways.
Diastereoselective synthesis of 1,2,3,4,4a,14a-hexahydro-8aH-xanthenone[9,8a-b]indole and 3,4b,5,6,7,8,8a,15b-octahydro-4H-benzo[d]naphtho[1,8-ab]carbazol-4-one derivatives has been developed based on a domino sequence that involves electrophilic ortho-spirodearomatization via the Ritter reaction and intramolecular nucleophilic trapping of spiro-σ-intermediates.
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Y.S. Rozhkova (2025) studied this question.
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