Diels−Alder Additions of Benzynes within Helicene Skeletons
- 30 September 2004
- journal article
- Published by American Chemical Society (ACS) in The Journal of Organic Chemistry
- Vol. 69 (22) , 7769-7771
- https://doi.org/10.1021/jo048707h
Abstract
Although the contortions required are unprecedented, the benzynes formed by the fluoride-induced elimination of TMSOTf from o-trimethylsilyl [6]- and [7]-helicenol triflates add to another ring of the helicenes rather than to an external furan molecule.Keywords
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