Synthesis of acenaphthylene-fused heteroarenes and polyoxygenated benzo[j]fluoranthenes via a Pd-catalyzed Suzuki–Miyaura/C–H arylation cascade
2024

Synthesis of Acenaphthylene-Fused Heteroarenes and Polyoxygenated Benzo[j]fluoranthenes

publication Evidence: high

Author Information

Author(s): Yence Merve, Ahmadli Dilgam, Surmeli Damla, Karacaoğlu Umut Mert, Pal Sujit, Türkmen Yunus Emre

Primary Institution: Bilkent University

Hypothesis

Can a Pd-catalyzed reaction cascade effectively synthesize acenaphthylene-fused heteroarenes and polyoxygenated benzo[j]fluoranthenes?

Conclusion

The study successfully synthesized various acenaphthylene-fused heteroarenes and polyoxygenated benzo[j]fluoranthenes using a Pd-catalyzed reaction cascade.

Supporting Evidence

  • The method achieved good to high yields (45–90%) for various heterocycles.
  • The study demonstrated the effectiveness of using both boronic acids and esters in the synthesis.
  • The synthesis of tetramethoxybenzo[j]fluoranthene represents a formal total synthesis of the fungal natural product bulgarein.

Takeaway

The researchers found a way to make new chemical compounds that could be useful in medicines and materials by combining different chemicals in a smart way.

Methodology

The study utilized a Pd-catalyzed reaction cascade involving Suzuki–Miyaura cross-coupling followed by intramolecular C–H arylation.

Limitations

The synthesis of benzo[j]fluoranthene derivatives with free -OH groups may be challenging due to the protection of oxygen atoms.

Digital Object Identifier (DOI)

10.3762/bjoc.20.273

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