Synthesis of five-ring-fused azepinone derivatives from bis-isatins via sequential 6π-electrocyclic ring closure, ring expansion, and dehydrogenation process,Bulletin of the Korean Chemical Society

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Synthesis of five-ring-fused azepinone derivatives from bis-isatins via sequential 6π-electrocyclic ring closure, ring expansion, and dehydrogenation process
Bulletin of the Korean Chemical Society ( IF 2.3 ) Pub Date : 2023-01-08 , DOI: 10.1002/bkcs.12672
Sangku Lee ₁ , Junseong Lee ₂ , Jae Nyoung Kim ₂

Affiliation

Five-ring-fused azepinone derivatives were synthesized serendipitously from bis-isatins via sequential 6π-electrocyclic ring closure, ring expansion, and dehydrogenation process in moderate yields (34%–47%). The reaction was carried out in diphenyl ether at 230 °C for 4–12 h under O₂ balloon atmosphere.

中文翻译：