Synthesis of functionalized dioxa-aza[7]helicenes using palladium catalyzed arylations.

Org Lett

Molecular Design and Synthesis, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium.

Published: March 2012

Despite the recent reports on transition-metal catalyzed cycloisomerization strategies toward helicenes, the amount of palladium catalyzed routes remains rather scarce. Within this letter the successful preparation and characterization of novel dioxa-aza[7]helicenes using palladium mediated coupling reactions is presented.

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Source
http://dx.doi.org/10.1021/ol300236tDOI Listing

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