2024
DOI: 10.1021/acs.orglett.4c04103
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Quinazolinone-to-Isoquinoline Metamorphosis by Ruthenium-Catalyzed [4+2] Annulation with Sulfoxonium Ylides

Xiaogang Wang,
Fei Yuan,
Michal Szostak

Abstract: Molecular editing of quinazolinones to isoquinolines by a novel ruthenium-catalyzed [4+2] annulation with sulfoxonium ylides has been developed. The method permits the precise and rapid assembly of multisubstituted aminoisoquinolines, a class of heterocycles that play a privileged role in organic synthesis and pharmaceutical development. This new catalytic process exhibits novel programmability, including directed C−H acetylation, nucleophilic cyclization, and alcoholysis. Remarkably, various 2-arylquinazolino… Show more

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