Divergent synthesis of alkylphosphonate-containing indanes and indenes via norbornene derivative-controlled palladium-catalyzed three-component systems
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Y Zheng, M Wu, S Sun, Y Zi…
Chemical …, 2025
pubmed.ncbi.nlm.nih.gov
A palladium-catalyzed divergent three-component reaction employing norbornene derivatives as controlled switches toward phosphonate-containing indenes and indanes was established. When using norbornadiene, norbornene or 7-oxabenzonorbornadiene as a substrate, alkylphosphonate-containing indanes were synthesized through a cascade [3+ 2] cyclization and alkylation of P (O) H process. Alternatively, oxanorbornadiene enabled the assembly of phosphonate-containing indenes via a subsequent retro-Diels-Alder reaction …
