Synthesis of 2,3-Benzotropones via Palladium(II)-Catalyzed Aerobic Dehydrogenation from 1-Benzosuberones and Sequential Diels-Alder Reaction to Yield Benzobicyclo[3.2.2]nonenones

An approach to 2,3-benzotropone from 1-benzosuberone via palladium(II)-catalyzed aerobic dehydrogenation was developed. This method first provided a catalytic route to various 2,3-benzotropones from their corresponding 1-benzosuberones in good yields. In addition, the reaction could be applied to a one-pot Diels-Alder reaction with maleimide, providing a complex benzobicyclo[3.2.2]nonenone in ≤90% yield. Kinetic analysis supporting our proposed mechanism was also performed, underscoring the robustness of the developed synthetic pathway.

Medienart:

E-Artikel

Erscheinungsjahr:

2024

Erschienen:

2024

Enthalten in:

Zur Gesamtaufnahme - volume:89

Enthalten in:

The Journal of organic chemistry - 89(2024), 5 vom: 01. März, Seite 3102-3110

Sprache:

Englisch

Beteiligte Personen:

Yoo, Hyung-Seok [VerfasserIn]
Shin, Jeong-Won [VerfasserIn]
Jang, Yoon Hu [VerfasserIn]
Yang, Yo-Sep [VerfasserIn]
Son, Seung Hwan [VerfasserIn]
Won, Hyuck-Jae [VerfasserIn]
Kim, Soo Lim [VerfasserIn]
Sim, Jaehoon [VerfasserIn]
Kim, Nam-Jung [VerfasserIn]

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Date Revised 01.03.2024

published: Print-Electronic

Citation Status PubMed-not-MEDLINE

doi:

10.1021/acs.joc.3c02558

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM368543439