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Synlett 1993; 1993(10): 743-744
DOI: 10.1055/s-1993-22592
DOI: 10.1055/s-1993-22592
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5-Alkyl-5-[2-(o-iodophenylcarbamoyl)vinyl] Derivatives of Meldrum's Acid as Substrates for the Intramolecular Heck Reaction: Application to the Synthesis of Carbazoles
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Publikationsdatum:
19. März 2002 (online)
![](https://www.thieme-connect.de/media/synlett/199310/lookinside/thumbnails/10.1055-s-1993-22592-1.jpg)
The palladium-catalyzed cyclization of 5-alkyl-5-[2-(o-iodophenylcarbamoyl)vinyl] derivatives of Meldrum's acid produces 3-alkylidene oxindoles containing the Meldrum's acid moiety. These compunds can be useful synthetic intermediates. An application to the synthesis of functionalized carbazoles through the intermediacy of 3,5,6-trisubstituted 2H-pyran-2-ones is reported.