FORMATION OF THE 1H-PYRROLO[3,4-c]PYRIDIN-1-ONE SKELETON VIA INTRAMOLECULAR DIELS-ALDER REACTION OF OXAZOLES

[摘要]：The 1H-pyrrolo[3,4-c]pyridin-1-one derivatives (4a-c) were prepared through a route employing the intramolecular Die Is Alder reaction of the oxazole-olefins (3a-c). Conversion of the crotonamide (3a) into 4a was effectively promoted by the addition of Cu(OTf)(2) as a catalyst.

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