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Synlett 2000; 2000(7): 1061-1063
DOI: 10.1055/s-2000-6649
DOI: 10.1055/s-2000-6649
letter
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Synthesis of Polycyclic Aromatic Hydrocarbons by Cocyclization of Arynes and Dimethyl Acetylenedicarboxylate (DMAD)
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
![](https://www.thieme-connect.de/media/synlett/200007/lookinside/thumbnails/10.1055-s-2000-6649-1.jpg)
In a study of the palladium-catalyzed cocyclization of polycyclic arynes with DMAD, Pd2(dba)3 led selectively to cocyclization of one molecule of aryne and two molecules of DMAD, while Pd(PPh3)4 induced the cocyclization of two molecules of aryne with one molecule of DMAD. This allowed the selective preparation of several polycyclic aromatic hydrocarbons in good to excellent yield.
arynes - alkynes - cyclization - polycyclic aromatic compounds