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Org Lett. 2005 Sep 1;7(18):3917-20.

Intramolecular [4 + 2] cycloadditions of benzynes with conjugated enynes, arenynes, and dienes.

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Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.


Benzynes generated by the reaction of o-(trimethylsilyl)aryl triflates with TBAT participate in intramolecular [4 + 2] cycloadditions with conjugated enynes, arenynes, and dienes to furnish highly condensed polycyclic aromatic compounds. [reaction: see text].

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